./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.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_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/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_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/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_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/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 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:36:22,230 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:36:22,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 08:36:22,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:36:22,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:36:22,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:36:22,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:36:22,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:36:22,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:36:22,317 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 08:36:22,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:36:22,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 08:36:22,317 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 08:36:22,318 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 08:36:22,318 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-02 08:36:22,318 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-02 08:36:22,318 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-02 08:36:22,318 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-02 08:36:22,318 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 08:36:22,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:36:22,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-02 08:36:22,318 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 08:36:22,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:36:22,319 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 08:36:22,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:36:22,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:36:22,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:36:22,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 08:36:22,320 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 08:36:22,320 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_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/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 -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f
[2024-12-02 08:36:22,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:36:22,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:36:22,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:36:22,568 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 08:36:22,568 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 08:36:22,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c
[2024-12-02 08:36:25,282 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/data/831c78386/200a8d57fb09443da24ff25b363f0811/FLAG00e31747e
[2024-12-02 08:36:25,533 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 08:36:25,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c
[2024-12-02 08:36:25,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/data/831c78386/200a8d57fb09443da24ff25b363f0811/FLAG00e31747e
[2024-12-02 08:36:25,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/data/831c78386/200a8d57fb09443da24ff25b363f0811
[2024-12-02 08:36:25,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:36:25,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:36:25,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:36:25,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:36:25,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:36:25,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:25,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2391cd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25, skipping insertion in model container
[2024-12-02 08:36:25,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:25,602 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:36:25,842 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:36:25,854 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 08:36:25,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2024-12-02 08:36:25,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87]
[2024-12-02 08:36:25,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188]
[2024-12-02 08:36:25,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [554]
[2024-12-02 08:36:25,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583]
[2024-12-02 08:36:25,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592]
[2024-12-02 08:36:25,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [839]
[2024-12-02 08:36:25,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [908]
[2024-12-02 08:36:25,917 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:36:25,937 INFO L204 MainTranslator]: Completed translation
[2024-12-02 08:36:25,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25 WrapperNode
[2024-12-02 08:36:25,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:36:25,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:36:25,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:36:25,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:36:25,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:25,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:25,988 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 57, calls inlined = 101, statements flattened = 683
[2024-12-02 08:36:25,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:36:25,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:36:25,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:36:25,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:36:25,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:25,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,002 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,018 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 08:36:26,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:36:26,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:36:26,042 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:36:26,042 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:36:26,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (1/1) ...
[2024-12-02 08:36:26,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 08:36:26,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:36:26,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 08:36:26,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:36:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:36:26,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:36:26,163 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 08:36:26,164 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:36:26,585 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live.
[2024-12-02 08:36:26,585 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 08:36:26,597 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:36:26,598 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 08:36:26,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:26 BoogieIcfgContainer
[2024-12-02 08:36:26,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:36:26,599 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 08:36:26,599 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 08:36:26,604 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-02 08:36:26,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:36:26,605 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:36:25" (1/3) ...
[2024-12-02 08:36:26,606 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1892ad86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:36:26, skipping insertion in model container
[2024-12-02 08:36:26,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:36:26,606 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:25" (2/3) ...
[2024-12-02 08:36:26,607 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1892ad86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:36:26, skipping insertion in model container
[2024-12-02 08:36:26,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:36:26,607 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:26" (3/3) ...
[2024-12-02 08:36:26,608 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product60.cil.c
[2024-12-02 08:36:26,652 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 08:36:26,652 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-02 08:36:26,652 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 08:36:26,652 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 08:36:26,652 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 08:36:26,652 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-02 08:36:26,653 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 08:36:26,653 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 08:36:26,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:26,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125
[2024-12-02 08:36:26,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:36:26,675 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:36:26,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:36:26,679 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 08:36:26,679 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 08:36:26,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:26,685 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125
[2024-12-02 08:36:26,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:36:26,685 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:36:26,686 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:36:26,686 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 08:36:26,690 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 08:36:26,690 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet45#1;test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet46#1;test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#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__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 08:36:26,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:26,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-12-02 08:36:26,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:36:26,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815625515]
[2024-12-02 08:36:26,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:26,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:26,784 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:36:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:26,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:36:26,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:26,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1256818321, now seen corresponding path program 1 times
[2024-12-02 08:36:26,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:36:26,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791305442]
[2024-12-02 08:36:26,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:26,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:36:26,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 08:36:26,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791305442]
[2024-12-02 08:36:26,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791305442] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:36:26,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825929974]
[2024-12-02 08:36:26,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:26,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:36:26,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:36:26,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:36:26,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 08:36:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:36:26,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 08:36:26,932 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:36:26,952 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:36:26,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825929974] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:36:26,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:36:26,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 08:36:26,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752533236]
[2024-12-02 08:36:26,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:36:26,973 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 08:36:26,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 08:36:26,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:36:27,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:36:27,001 INFO L87 Difference]: Start difference. First operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:27,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:36:27,059 INFO L93 Difference]: Finished difference Result 363 states and 479 transitions.
[2024-12-02 08:36:27,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 363 states and 479 transitions.
[2024-12-02 08:36:27,066 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236
[2024-12-02 08:36:27,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 363 states to 343 states and 458 transitions.
[2024-12-02 08:36:27,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 343
[2024-12-02 08:36:27,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 343
[2024-12-02 08:36:27,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 343 states and 458 transitions.
[2024-12-02 08:36:27,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 08:36:27,077 INFO L218 hiAutomatonCegarLoop]: Abstraction has 343 states and 458 transitions.
[2024-12-02 08:36:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states and 458 transitions.
[2024-12-02 08:36:27,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 340.
[2024-12-02 08:36:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 340 states have (on average 1.3352941176470587) internal successors, (454), 339 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 454 transitions.
[2024-12-02 08:36:27,107 INFO L240 hiAutomatonCegarLoop]: Abstraction has 340 states and 454 transitions.
[2024-12-02 08:36:27,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:36:27,111 INFO L425 stractBuchiCegarLoop]: Abstraction has 340 states and 454 transitions.
[2024-12-02 08:36:27,111 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 08:36:27,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 340 states and 454 transitions.
[2024-12-02 08:36:27,114 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233
[2024-12-02 08:36:27,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:36:27,114 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:36:27,115 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:36:27,115 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 08:36:27,115 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 08:36:27,115 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet45#1;test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet46#1;test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 08:36:27,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:27,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-12-02 08:36:27,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:36:27,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755485496]
[2024-12-02 08:36:27,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:27,127 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:36:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:27,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:36:27,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:27,138 INFO L85 PathProgramCache]: Analyzing trace with hash -757456845, now seen corresponding path program 1 times
[2024-12-02 08:36:27,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:36:27,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091254150]
[2024-12-02 08:36:27,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:36:27,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 08:36:27,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091254150]
[2024-12-02 08:36:27,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091254150] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:36:27,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213065792]
[2024-12-02 08:36:27,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:27,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:36:27,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:36:27,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:36:27,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 08:36:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:36:27,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 08:36:27,204 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:36:27,211 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:36:27,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213065792] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:36:27,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:36:27,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 08:36:27,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209976184]
[2024-12-02 08:36:27,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:36:27,218 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 08:36:27,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 08:36:27,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:36:27,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:36:27,219 INFO L87 Difference]: Start difference. First operand 340 states and 454 transitions. cyclomatic complexity: 117 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:27,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:36:27,300 INFO L93 Difference]: Finished difference Result 460 states and 591 transitions.
[2024-12-02 08:36:27,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 460 states and 591 transitions.
[2024-12-02 08:36:27,303 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323
[2024-12-02 08:36:27,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 460 states to 460 states and 591 transitions.
[2024-12-02 08:36:27,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 460
[2024-12-02 08:36:27,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 460
[2024-12-02 08:36:27,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 460 states and 591 transitions.
[2024-12-02 08:36:27,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 08:36:27,309 INFO L218 hiAutomatonCegarLoop]: Abstraction has 460 states and 591 transitions.
[2024-12-02 08:36:27,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states and 591 transitions.
[2024-12-02 08:36:27,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460.
[2024-12-02 08:36:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 460 states have (on average 1.2847826086956522) internal successors, (591), 459 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 591 transitions.
[2024-12-02 08:36:27,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 460 states and 591 transitions.
[2024-12-02 08:36:27,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:36:27,326 INFO L425 stractBuchiCegarLoop]: Abstraction has 460 states and 591 transitions.
[2024-12-02 08:36:27,326 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 08:36:27,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 460 states and 591 transitions.
[2024-12-02 08:36:27,329 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323
[2024-12-02 08:36:27,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:36:27,329 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:36:27,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:36:27,330 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 08:36:27,330 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 08:36:27,330 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet45#1;test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet46#1;test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet47#1;test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet48#1;test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 08:36:27,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:27,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-12-02 08:36:27,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:36:27,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572494619]
[2024-12-02 08:36:27,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:27,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:27,341 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:36:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:27,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:36:27,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:27,350 INFO L85 PathProgramCache]: Analyzing trace with hash 452403325, now seen corresponding path program 1 times
[2024-12-02 08:36:27,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:36:27,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247324749]
[2024-12-02 08:36:27,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:27,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:27,364 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:36:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:27,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:36:27,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:27,373 INFO L85 PathProgramCache]: Analyzing trace with hash 827691065, now seen corresponding path program 1 times
[2024-12-02 08:36:27,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:36:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565787183]
[2024-12-02 08:36:27,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:27,387 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:36:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:27,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:36:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:28,312 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:36:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:36:28,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:36:28 BoogieIcfgContainer
[2024-12-02 08:36:28,356 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 08:36:28,357 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:36:28,357 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:36:28,357 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 08:36:28,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:26" (3/4) ...
[2024-12-02 08:36:28,359 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 08:36:28,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 08:36:28,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 08:36:28,395 INFO L158 Benchmark]: Toolchain (without parser) took 2829.81ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 73.4MB in the end (delta: 43.4MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB.
[2024-12-02 08:36:28,395 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:36:28,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.41ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 97.9MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 08:36:28,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.37ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 94.7MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:36:28,396 INFO L158 Benchmark]: Boogie Preprocessor took 51.93ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 91.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:36:28,396 INFO L158 Benchmark]: RCFGBuilder took 556.40ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 62.4MB in the end (delta: 29.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 08:36:28,396 INFO L158 Benchmark]: BuchiAutomizer took 1757.00ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 75.9MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:36:28,397 INFO L158 Benchmark]: Witness Printer took 37.23ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 73.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:36:28,398 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 was 83.3MB in the beginning and 83.3MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 371.41ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 97.9MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.37ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 94.7MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.93ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 91.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 556.40ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 62.4MB in the end (delta: 29.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1757.00ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 75.9MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 37.23ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 73.4MB in the end (delta: 2.5MB). 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,"featureselect.i","") [49]
- GenericResultAtLocation [Line: 87]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87]
- GenericResultAtLocation [Line: 188]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188]
- GenericResultAtLocation [Line: 554]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [554]
- GenericResultAtLocation [Line: 583]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583]
- GenericResultAtLocation [Line: 592]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592]
- GenericResultAtLocation [Line: 839]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [839]
- GenericResultAtLocation [Line: 908]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [908]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 460 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 403 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 332 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 471 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 852]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L88] int cleanupTimeShifts = 4;
[L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L602] int pumpRunning = 0;
[L603] int systemActive = 1;
[L909] int waterLevel = 1;
[L910] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L166] int retValue_acc ;
[L167] int tmp ;
[L171] FCALL select_helpers()
[L172] FCALL select_features()
[L173] CALL, EXPR valid_product()
[L79] int retValue_acc ;
[L82] retValue_acc = 1
[L83] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L173] RET, EXPR valid_product()
[L173] tmp = valid_product()
[L175] COND TRUE \read(tmp)
[L177] FCALL setup()
[L178] CALL runTest()
[L160] CALL test()
[L841] int splverifierCounter ;
[L842] int tmp ;
[L843] int tmp___0 ;
[L844] int tmp___1 ;
[L845] int tmp___2 ;
[L848] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L852] COND TRUE splverifierCounter < 4
[L858] tmp = __VERIFIER_nondet_int()
[L860] COND FALSE !(\read(tmp))
[L868] tmp___0 = __VERIFIER_nondet_int()
[L870] COND FALSE !(\read(tmp___0))
[L878] tmp___2 = __VERIFIER_nondet_int()
[L880] COND FALSE !(\read(tmp___2))
[L886] tmp___1 = __VERIFIER_nondet_int()
[L888] COND FALSE !(\read(tmp___1))
[L897] CALL timeShift()
[L609] COND FALSE !(\read(pumpRunning))
[L616] COND TRUE \read(systemActive)
[L618] CALL processEnvironment()
[L664] int tmp ;
[L667] COND FALSE !(\read(pumpRunning))
[L682] CALL processEnvironment__wrappee__highWaterSensor()
[L638] int tmp ;
[L641] COND TRUE ! pumpRunning
[L643] CALL, EXPR isHighWaterLevel()
[L779] int retValue_acc ;
[L780] int tmp ;
[L781] int tmp___0 ;
[L785] CALL, EXPR isHighWaterSensorDry()
[L989] int retValue_acc ;
[L992] COND TRUE waterLevel < 2
[L993] retValue_acc = 1
[L994] return (retValue_acc);
[L785] RET, EXPR isHighWaterSensorDry()
[L785] tmp = isHighWaterSensorDry()
[L787] COND TRUE \read(tmp)
[L788] tmp___0 = 0
[L792] retValue_acc = tmp___0
[L793] return (retValue_acc);
[L643] RET, EXPR isHighWaterLevel()
[L643] tmp = isHighWaterLevel()
[L645] COND FALSE !(\read(tmp))
[L651] FCALL processEnvironment__wrappee__base()
[L682] RET processEnvironment__wrappee__highWaterSensor()
[L618] RET processEnvironment()
[L624] CALL __utac_acc__Specification4_spec__1()
[L559] int tmp ;
[L560] int tmp___0 ;
[L564] CALL, EXPR getWaterLevel()
[L980] int retValue_acc ;
[L983] retValue_acc = waterLevel
[L984] return (retValue_acc);
[L564] RET, EXPR getWaterLevel()
[L564] tmp = getWaterLevel()
[L566] COND FALSE !(tmp == 0)
[L624] RET __utac_acc__Specification4_spec__1()
[L897] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 852]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L88] int cleanupTimeShifts = 4;
[L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L602] int pumpRunning = 0;
[L603] int systemActive = 1;
[L909] int waterLevel = 1;
[L910] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L166] int retValue_acc ;
[L167] int tmp ;
[L171] FCALL select_helpers()
[L172] FCALL select_features()
[L173] CALL, EXPR valid_product()
[L79] int retValue_acc ;
[L82] retValue_acc = 1
[L83] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L173] RET, EXPR valid_product()
[L173] tmp = valid_product()
[L175] COND TRUE \read(tmp)
[L177] FCALL setup()
[L178] CALL runTest()
[L160] CALL test()
[L841] int splverifierCounter ;
[L842] int tmp ;
[L843] int tmp___0 ;
[L844] int tmp___1 ;
[L845] int tmp___2 ;
[L848] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L852] COND TRUE splverifierCounter < 4
[L858] tmp = __VERIFIER_nondet_int()
[L860] COND FALSE !(\read(tmp))
[L868] tmp___0 = __VERIFIER_nondet_int()
[L870] COND FALSE !(\read(tmp___0))
[L878] tmp___2 = __VERIFIER_nondet_int()
[L880] COND FALSE !(\read(tmp___2))
[L886] tmp___1 = __VERIFIER_nondet_int()
[L888] COND FALSE !(\read(tmp___1))
[L897] CALL timeShift()
[L609] COND FALSE !(\read(pumpRunning))
[L616] COND TRUE \read(systemActive)
[L618] CALL processEnvironment()
[L664] int tmp ;
[L667] COND FALSE !(\read(pumpRunning))
[L682] CALL processEnvironment__wrappee__highWaterSensor()
[L638] int tmp ;
[L641] COND TRUE ! pumpRunning
[L643] CALL, EXPR isHighWaterLevel()
[L779] int retValue_acc ;
[L780] int tmp ;
[L781] int tmp___0 ;
[L785] CALL, EXPR isHighWaterSensorDry()
[L989] int retValue_acc ;
[L992] COND TRUE waterLevel < 2
[L993] retValue_acc = 1
[L994] return (retValue_acc);
[L785] RET, EXPR isHighWaterSensorDry()
[L785] tmp = isHighWaterSensorDry()
[L787] COND TRUE \read(tmp)
[L788] tmp___0 = 0
[L792] retValue_acc = tmp___0
[L793] return (retValue_acc);
[L643] RET, EXPR isHighWaterLevel()
[L643] tmp = isHighWaterLevel()
[L645] COND FALSE !(\read(tmp))
[L651] FCALL processEnvironment__wrappee__base()
[L682] RET processEnvironment__wrappee__highWaterSensor()
[L618] RET processEnvironment()
[L624] CALL __utac_acc__Specification4_spec__1()
[L559] int tmp ;
[L560] int tmp___0 ;
[L564] CALL, EXPR getWaterLevel()
[L980] int retValue_acc ;
[L983] retValue_acc = waterLevel
[L984] return (retValue_acc);
[L564] RET, EXPR getWaterLevel()
[L564] tmp = getWaterLevel()
[L566] COND FALSE !(tmp == 0)
[L624] RET __utac_acc__Specification4_spec__1()
[L897] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 08:36:28,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-12-02 08:36:28,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 08:36:28,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e24735a-ad51-40e0-8d73-6a05d62e7ab1/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)