./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.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_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/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_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/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_731e9520-2cbc-47b4-88ac-ae3b955b8774/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 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:16:33,770 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:16:33,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 13:16:33,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:16:33,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:16:33,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:16:33,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:16:33,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:16:33,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:16:33,862 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:16:33,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:16:33,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:16:33,862 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:16:33,862 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 13:16:33,863 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-02 13:16:33,863 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-02 13:16:33,863 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-02 13:16:33,863 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-02 13:16:33,863 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 13:16:33,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:16:33,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-02 13:16:33,863 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:16:33,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:16:33,865 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-02 13:16:33,865 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:16:33,865 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:16:33,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:16:33,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:16:33,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:16:33,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 13:16:33,866 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 13:16:33,866 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_731e9520-2cbc-47b4-88ac-ae3b955b8774/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 -> 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1
[2024-12-02 13:16:34,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:16:34,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:16:34,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:16:34,119 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:16:34,119 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:16:34,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c
[2024-12-02 13:16:36,813 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/data/623271814/ddf11b1db16b4b7f8e0c581a2a2f9944/FLAGb356a1ca3
[2024-12-02 13:16:37,040 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:16:37,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c
[2024-12-02 13:16:37,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/data/623271814/ddf11b1db16b4b7f8e0c581a2a2f9944/FLAGb356a1ca3
[2024-12-02 13:16:37,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/data/623271814/ddf11b1db16b4b7f8e0c581a2a2f9944
[2024-12-02 13:16:37,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:16:37,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:16:37,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:16:37,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:16:37,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:16:37,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cab59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37, skipping insertion in model container
[2024-12-02 13:16:37,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,099 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:16:37,303 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:16:37,313 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:16:37,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2024-12-02 13:16:37,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [415]
[2024-12-02 13:16:37,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453]
[2024-12-02 13:16:37,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [562]
[2024-12-02 13:16:37,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [664]
[2024-12-02 13:16:37,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [699]
[2024-12-02 13:16:37,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [708]
[2024-12-02 13:16:37,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [776]
[2024-12-02 13:16:37,371 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:16:37,386 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:16:37,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37 WrapperNode
[2024-12-02 13:16:37,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:16:37,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:16:37,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:16:37,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:16:37,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,429 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 84, statements flattened = 583
[2024-12-02 13:16:37,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:16:37,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:16:37,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:16:37,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:16:37,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,439 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,449 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 13:16:37,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,456 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:16:37,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:16:37,470 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:16:37,470 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:16:37,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (1/1) ...
[2024-12-02 13:16:37,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 13:16:37,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:16:37,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 13:16:37,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:16:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:16:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:16:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:16:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:16:37,582 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:16:37,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:16:37,917 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live.
[2024-12-02 13:16:37,918 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:16:37,930 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:16:37,930 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 13:16:37,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:37 BoogieIcfgContainer
[2024-12-02 13:16:37,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:16:37,931 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 13:16:37,931 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 13:16:37,936 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-02 13:16:37,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 13:16:37,937 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 01:16:37" (1/3) ...
[2024-12-02 13:16:37,938 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6443a7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:16:37, skipping insertion in model container
[2024-12-02 13:16:37,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 13:16:37,938 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:37" (2/3) ...
[2024-12-02 13:16:37,938 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6443a7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:16:37, skipping insertion in model container
[2024-12-02 13:16:37,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 13:16:37,938 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:37" (3/3) ...
[2024-12-02 13:16:37,939 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product50.cil.c
[2024-12-02 13:16:37,975 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 13:16:37,975 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-02 13:16:37,975 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 13:16:37,975 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 13:16:37,975 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 13:16:37,975 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-02 13:16:37,975 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 13:16:37,976 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 13:16:37,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:16:37,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109
[2024-12-02 13:16:37,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:16:37,998 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:16:38,003 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:38,003 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:38,003 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 13:16:38,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:16:38,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109
[2024-12-02 13:16:38,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:16:38,009 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:16:38,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:38,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:38,013 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 13:16:38,014 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret27#1;havoc __utac_acc__Specification3_spec__1_#t~ret27#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 13:16:38,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:38,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-12-02 13:16:38,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:38,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725989127]
[2024-12-02 13:16:38,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:38,087 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:16:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:38,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:16:38,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:38,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1160937537, now seen corresponding path program 1 times
[2024-12-02 13:16:38,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:38,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055815949]
[2024-12-02 13:16:38,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:16:38,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 13:16:38,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055815949]
[2024-12-02 13:16:38,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055815949] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:16:38,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312330018]
[2024-12-02 13:16:38,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:16:38,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:16:38,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:16:38,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:16:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:16:38,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 13:16:38,235 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:16:38,252 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:16:38,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312330018] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:16:38,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:16:38,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 13:16:38,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989694494]
[2024-12-02 13:16:38,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:16:38,276 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 13:16:38,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 13:16:38,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:16:38,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:16:38,297 INFO L87 Difference]: Start difference. First operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:16:38,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:16:38,330 INFO L93 Difference]: Finished difference Result 164 states and 217 transitions.
[2024-12-02 13:16:38,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 217 transitions.
[2024-12-02 13:16:38,335 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103
[2024-12-02 13:16:38,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 154 states and 206 transitions.
[2024-12-02 13:16:38,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154
[2024-12-02 13:16:38,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154
[2024-12-02 13:16:38,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 206 transitions.
[2024-12-02 13:16:38,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 13:16:38,344 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 206 transitions.
[2024-12-02 13:16:38,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 206 transitions.
[2024-12-02 13:16:38,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154.
[2024-12-02 13:16:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.3376623376623376) internal successors, (206), 153 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:16:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 206 transitions.
[2024-12-02 13:16:38,370 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 206 transitions.
[2024-12-02 13:16:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:16:38,374 INFO L425 stractBuchiCegarLoop]: Abstraction has 154 states and 206 transitions.
[2024-12-02 13:16:38,374 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 13:16:38,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 206 transitions.
[2024-12-02 13:16:38,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103
[2024-12-02 13:16:38,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:16:38,377 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:16:38,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:38,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:38,377 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 13:16:38,378 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet40#1;test_~tmp___1~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___1~1#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret27#1;havoc __utac_acc__Specification3_spec__1_#t~ret27#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 13:16:38,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:38,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-12-02 13:16:38,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:38,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009427657]
[2024-12-02 13:16:38,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:38,390 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:16:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:38,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:16:38,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash -996764469, now seen corresponding path program 1 times
[2024-12-02 13:16:38,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:38,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004239210]
[2024-12-02 13:16:38,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:16:38,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 13:16:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004239210]
[2024-12-02 13:16:38,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004239210] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:16:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665003236]
[2024-12-02 13:16:38,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:16:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:16:38,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:16:38,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:16:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:16:38,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:16:38,466 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:16:38,472 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:16:38,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665003236] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:16:38,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:16:38,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 13:16:38,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023978214]
[2024-12-02 13:16:38,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:16:38,482 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 13:16:38,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 13:16:38,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:16:38,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:16:38,483 INFO L87 Difference]: Start difference. First operand 154 states and 206 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:16:38,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:16:38,563 INFO L93 Difference]: Finished difference Result 214 states and 276 transitions.
[2024-12-02 13:16:38,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 276 transitions.
[2024-12-02 13:16:38,565 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148
[2024-12-02 13:16:38,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 214 states and 276 transitions.
[2024-12-02 13:16:38,567 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 214
[2024-12-02 13:16:38,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 214
[2024-12-02 13:16:38,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 214 states and 276 transitions.
[2024-12-02 13:16:38,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 13:16:38,569 INFO L218 hiAutomatonCegarLoop]: Abstraction has 214 states and 276 transitions.
[2024-12-02 13:16:38,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states and 276 transitions.
[2024-12-02 13:16:38,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214.
[2024-12-02 13:16:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 214 states have (on average 1.2897196261682242) internal successors, (276), 213 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:16:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 276 transitions.
[2024-12-02 13:16:38,576 INFO L240 hiAutomatonCegarLoop]: Abstraction has 214 states and 276 transitions.
[2024-12-02 13:16:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:16:38,578 INFO L425 stractBuchiCegarLoop]: Abstraction has 214 states and 276 transitions.
[2024-12-02 13:16:38,578 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 13:16:38,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 214 states and 276 transitions.
[2024-12-02 13:16:38,579 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148
[2024-12-02 13:16:38,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:16:38,579 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:16:38,580 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:38,580 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:38,580 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 13:16:38,581 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet40#1;test_~tmp___1~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___1~1#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret52#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret52#1;havoc isHighWaterLevel_#t~ret52#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret41#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret41#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret27#1;havoc __utac_acc__Specification3_spec__1_#t~ret27#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 13:16:38,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:38,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-12-02 13:16:38,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:38,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961230296]
[2024-12-02 13:16:38,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:38,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:16:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:38,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:16:38,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1847157565, now seen corresponding path program 1 times
[2024-12-02 13:16:38,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:38,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295020200]
[2024-12-02 13:16:38,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:38,612 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:16:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:38,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:16:38,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:38,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1471869825, now seen corresponding path program 1 times
[2024-12-02 13:16:38,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:38,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527654269]
[2024-12-02 13:16:38,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:16:38,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 13:16:38,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527654269]
[2024-12-02 13:16:38,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527654269] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:16:38,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160276221]
[2024-12-02 13:16:38,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:38,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:16:38,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:16:38,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:16:38,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 13:16:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:16:38,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 13:16:38,818 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:16:38,882 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:16:38,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160276221] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:16:38,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:16:38,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-12-02 13:16:38,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396393693]
[2024-12-02 13:16:38,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:16:39,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 13:16:39,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:16:39,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:16:39,071 INFO L87 Difference]: Start difference. First operand 214 states and 276 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:16:39,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:16:39,148 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions.
[2024-12-02 13:16:39,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 421 states and 537 transitions.
[2024-12-02 13:16:39,151 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 296
[2024-12-02 13:16:39,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 421 states to 421 states and 537 transitions.
[2024-12-02 13:16:39,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 421
[2024-12-02 13:16:39,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 421
[2024-12-02 13:16:39,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 421 states and 537 transitions.
[2024-12-02 13:16:39,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 13:16:39,157 INFO L218 hiAutomatonCegarLoop]: Abstraction has 421 states and 537 transitions.
[2024-12-02 13:16:39,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states and 537 transitions.
[2024-12-02 13:16:39,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2024-12-02 13:16:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 421 states have (on average 1.2755344418052257) internal successors, (537), 420 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:16:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 537 transitions.
[2024-12-02 13:16:39,171 INFO L240 hiAutomatonCegarLoop]: Abstraction has 421 states and 537 transitions.
[2024-12-02 13:16:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 13:16:39,172 INFO L425 stractBuchiCegarLoop]: Abstraction has 421 states and 537 transitions.
[2024-12-02 13:16:39,173 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2024-12-02 13:16:39,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 421 states and 537 transitions.
[2024-12-02 13:16:39,175 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 296
[2024-12-02 13:16:39,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:16:39,175 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:16:39,175 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:39,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:16:39,176 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 13:16:39,176 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet40#1;test_~tmp___1~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___1~1#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret52#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret52#1;havoc isHighWaterLevel_#t~ret52#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret41#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret41#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret41#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret27#1;havoc __utac_acc__Specification3_spec__1_#t~ret27#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification3_spec__1_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret28#1;havoc __utac_acc__Specification3_spec__1_#t~ret28#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 13:16:39,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:39,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times
[2024-12-02 13:16:39,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:39,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737307107]
[2024-12-02 13:16:39,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:39,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:39,184 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:16:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:39,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:16:39,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:39,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1295732744, now seen corresponding path program 1 times
[2024-12-02 13:16:39,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:39,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208579750]
[2024-12-02 13:16:39,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:39,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:39,199 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:16:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:39,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:16:39,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:16:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1421467468, now seen corresponding path program 1 times
[2024-12-02 13:16:39,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:16:39,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163967337]
[2024-12-02 13:16:39,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:16:39,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:16:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:39,222 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:16:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:39,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:16:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:40,045 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:16:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:16:40,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 01:16:40 BoogieIcfgContainer
[2024-12-02 13:16:40,087 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 13:16:40,088 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:16:40,088 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:16:40,088 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:16:40,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:37" (3/4) ...
[2024-12-02 13:16:40,090 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 13:16:40,124 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:16:40,124 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:16:40,125 INFO L158 Benchmark]: Toolchain (without parser) took 3056.79ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 115.7MB in the beginning and 270.6MB in the end (delta: -154.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB.
[2024-12-02 13:16:40,126 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:16:40,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.05ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 96.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:16:40,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.63ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:16:40,126 INFO L158 Benchmark]: Boogie Preprocessor took 39.15ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 91.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:16:40,127 INFO L158 Benchmark]: RCFGBuilder took 460.79ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 64.6MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 13:16:40,127 INFO L158 Benchmark]: BuchiAutomizer took 2156.45ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 64.4MB in the beginning and 273.3MB in the end (delta: -208.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:16:40,127 INFO L158 Benchmark]: Witness Printer took 36.52ms. Allocated memory is still 310.4MB. Free memory was 273.3MB in the beginning and 270.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:16:40,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 318.05ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 96.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 41.63ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.15ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 91.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 460.79ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 64.6MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2156.45ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 64.4MB in the beginning and 273.3MB in the end (delta: -208.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 36.52ms. Allocated memory is still 310.4MB. Free memory was 273.3MB in the beginning and 270.6MB in the end (delta: 2.8MB). 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,"libacc.i","") [49]
- GenericResultAtLocation [Line: 415]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [415]
- GenericResultAtLocation [Line: 453]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453]
- GenericResultAtLocation [Line: 562]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [562]
- GenericResultAtLocation [Line: 664]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [664]
- GenericResultAtLocation [Line: 699]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [699]
- GenericResultAtLocation [Line: 708]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [708]
- GenericResultAtLocation [Line: 776]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [776]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 421 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 516 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 516 mSDsluCounter, 1294 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 667 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 627 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 722]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L460] int waterLevel = 1;
[L461] int methaneLevelCritical = 0;
[L563] int cleanupTimeShifts = 4;
[L779] int pumpRunning = 0;
[L780] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L642] int retValue_acc ;
[L643] int tmp ;
[L647] FCALL select_helpers()
[L648] FCALL select_features()
[L649] CALL, EXPR valid_product()
[L691] int retValue_acc ;
[L694] retValue_acc = 1
[L695] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L649] RET, EXPR valid_product()
[L649] tmp = valid_product()
[L651] COND TRUE \read(tmp)
[L653] FCALL setup()
[L654] CALL runTest()
[L633] CALL test()
[L711] int splverifierCounter ;
[L712] int tmp ;
[L713] int tmp___0 ;
[L714] int tmp___1 ;
[L715] int tmp___2 ;
[L718] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L722] COND TRUE splverifierCounter < 4
[L728] tmp = __VERIFIER_nondet_int()
[L730] COND FALSE !(\read(tmp))
[L738] tmp___0 = __VERIFIER_nondet_int()
[L740] COND FALSE !(\read(tmp___0))
[L748] tmp___2 = __VERIFIER_nondet_int()
[L750] COND FALSE !(\read(tmp___2))
[L756] tmp___1 = __VERIFIER_nondet_int()
[L758] COND TRUE \read(tmp___1)
[L765] CALL timeShift()
[L786] COND FALSE !(\read(pumpRunning))
[L793] COND TRUE \read(systemActive)
[L795] CALL processEnvironment()
[L841] int tmp ;
[L844] COND FALSE !(\read(pumpRunning))
[L859] CALL processEnvironment__wrappee__highWaterSensor()
[L815] int tmp ;
[L818] COND TRUE ! pumpRunning
[L820] CALL, EXPR isHighWaterLevel()
[L938] int retValue_acc ;
[L939] int tmp ;
[L940] int tmp___0 ;
[L944] CALL, EXPR isHighWaterSensorDry()
[L540] int retValue_acc ;
[L543] COND TRUE waterLevel < 2
[L544] retValue_acc = 1
[L545] return (retValue_acc);
[L944] RET, EXPR isHighWaterSensorDry()
[L944] tmp = isHighWaterSensorDry()
[L946] COND TRUE \read(tmp)
[L947] tmp___0 = 0
[L951] retValue_acc = tmp___0
[L952] return (retValue_acc);
[L820] RET, EXPR isHighWaterLevel()
[L820] tmp = isHighWaterLevel()
[L822] COND FALSE !(\read(tmp))
[L828] FCALL processEnvironment__wrappee__base()
[L859] RET processEnvironment__wrappee__highWaterSensor()
[L795] RET processEnvironment()
[L801] CALL __utac_acc__Specification3_spec__1()
[L421] int tmp ;
[L422] int tmp___0 ;
[L423] int tmp___1 ;
[L427] CALL, EXPR isMethaneLevelCritical()
[L499] int retValue_acc ;
[L502] retValue_acc = methaneLevelCritical
[L503] return (retValue_acc);
[L427] RET, EXPR isMethaneLevelCritical()
[L427] tmp = isMethaneLevelCritical()
[L429] COND FALSE !(\read(tmp))
[L433] CALL, EXPR getWaterLevel()
[L531] int retValue_acc ;
[L534] retValue_acc = waterLevel
[L535] return (retValue_acc);
[L433] RET, EXPR getWaterLevel()
[L433] tmp___0 = getWaterLevel()
[L435] COND FALSE !(tmp___0 == 2)
[L801] RET __utac_acc__Specification3_spec__1()
[L765] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 722]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L460] int waterLevel = 1;
[L461] int methaneLevelCritical = 0;
[L563] int cleanupTimeShifts = 4;
[L779] int pumpRunning = 0;
[L780] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L642] int retValue_acc ;
[L643] int tmp ;
[L647] FCALL select_helpers()
[L648] FCALL select_features()
[L649] CALL, EXPR valid_product()
[L691] int retValue_acc ;
[L694] retValue_acc = 1
[L695] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L649] RET, EXPR valid_product()
[L649] tmp = valid_product()
[L651] COND TRUE \read(tmp)
[L653] FCALL setup()
[L654] CALL runTest()
[L633] CALL test()
[L711] int splverifierCounter ;
[L712] int tmp ;
[L713] int tmp___0 ;
[L714] int tmp___1 ;
[L715] int tmp___2 ;
[L718] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L722] COND TRUE splverifierCounter < 4
[L728] tmp = __VERIFIER_nondet_int()
[L730] COND FALSE !(\read(tmp))
[L738] tmp___0 = __VERIFIER_nondet_int()
[L740] COND FALSE !(\read(tmp___0))
[L748] tmp___2 = __VERIFIER_nondet_int()
[L750] COND FALSE !(\read(tmp___2))
[L756] tmp___1 = __VERIFIER_nondet_int()
[L758] COND TRUE \read(tmp___1)
[L765] CALL timeShift()
[L786] COND FALSE !(\read(pumpRunning))
[L793] COND TRUE \read(systemActive)
[L795] CALL processEnvironment()
[L841] int tmp ;
[L844] COND FALSE !(\read(pumpRunning))
[L859] CALL processEnvironment__wrappee__highWaterSensor()
[L815] int tmp ;
[L818] COND TRUE ! pumpRunning
[L820] CALL, EXPR isHighWaterLevel()
[L938] int retValue_acc ;
[L939] int tmp ;
[L940] int tmp___0 ;
[L944] CALL, EXPR isHighWaterSensorDry()
[L540] int retValue_acc ;
[L543] COND TRUE waterLevel < 2
[L544] retValue_acc = 1
[L545] return (retValue_acc);
[L944] RET, EXPR isHighWaterSensorDry()
[L944] tmp = isHighWaterSensorDry()
[L946] COND TRUE \read(tmp)
[L947] tmp___0 = 0
[L951] retValue_acc = tmp___0
[L952] return (retValue_acc);
[L820] RET, EXPR isHighWaterLevel()
[L820] tmp = isHighWaterLevel()
[L822] COND FALSE !(\read(tmp))
[L828] FCALL processEnvironment__wrappee__base()
[L859] RET processEnvironment__wrappee__highWaterSensor()
[L795] RET processEnvironment()
[L801] CALL __utac_acc__Specification3_spec__1()
[L421] int tmp ;
[L422] int tmp___0 ;
[L423] int tmp___1 ;
[L427] CALL, EXPR isMethaneLevelCritical()
[L499] int retValue_acc ;
[L502] retValue_acc = methaneLevelCritical
[L503] return (retValue_acc);
[L427] RET, EXPR isMethaneLevelCritical()
[L427] tmp = isMethaneLevelCritical()
[L429] COND FALSE !(\read(tmp))
[L433] CALL, EXPR getWaterLevel()
[L531] int retValue_acc ;
[L534] retValue_acc = waterLevel
[L535] return (retValue_acc);
[L433] RET, EXPR getWaterLevel()
[L433] tmp___0 = getWaterLevel()
[L435] COND FALSE !(tmp___0 == 2)
[L801] RET __utac_acc__Specification3_spec__1()
[L765] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 13:16:40,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 13:16:40,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:16:40,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:16:40,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e9520-2cbc-47b4-88ac-ae3b955b8774/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)