./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version a046e57d
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m
[2024-10-13 17:41:09,031 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-10-13 17:41:09,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-10-13 17:41:09,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-10-13 17:41:09,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-13 17:41:09,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-13 17:41:09,123 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-13 17:41:09,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-13 17:41:09,124 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-13 17:41:09,125 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-10-13 17:41:09,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-13 17:41:09,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-10-13 17:41:09,127 INFO L153 SettingsManager]: * Use SBE=true
[2024-10-13 17:41:09,129 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-10-13 17:41:09,129 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-10-13 17:41:09,129 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-10-13 17:41:09,129 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-10-13 17:41:09,129 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-10-13 17:41:09,130 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-10-13 17:41:09,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-13 17:41:09,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-10-13 17:41:09,131 INFO L153 SettingsManager]: * sizeof long=4
[2024-10-13 17:41:09,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-10-13 17:41:09,131 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-10-13 17:41:09,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-10-13 17:41:09,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-10-13 17:41:09,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-10-13 17:41:09,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-10-13 17:41:09,132 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-10-13 17:41:09,132 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-10-13 17:41:09,133 INFO L153 SettingsManager]: * sizeof long double=12
[2024-10-13 17:41:09,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-10-13 17:41:09,133 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-10-13 17:41:09,133 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-10-13 17:41:09,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-13 17:41:09,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-10-13 17:41:09,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-13 17:41:09,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-10-13 17:41:09,134 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-10-13 17:41:09,135 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94
[2024-10-13 17:41:09,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-13 17:41:09,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-13 17:41:09,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-13 17:41:09,349 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-10-13 17:41:09,349 INFO L274 PluginConnector]: CDTParser initialized
[2024-10-13 17:41:09,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c
[2024-10-13 17:41:10,634 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-10-13 17:41:10,796 INFO L384 CDTParser]: Found 1 translation units.
[2024-10-13 17:41:10,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c
[2024-10-13 17:41:10,807 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4957b67f8/10634321ed7047d08d6790c2a614d50c/FLAGee034e237
[2024-10-13 17:41:11,181 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4957b67f8/10634321ed7047d08d6790c2a614d50c
[2024-10-13 17:41:11,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-13 17:41:11,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-13 17:41:11,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-13 17:41:11,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-13 17:41:11,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-13 17:41:11,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec9dc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11, skipping insertion in model container
[2024-10-13 17:41:11,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,221 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-10-13 17:41:11,444 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-13 17:41:11,452 INFO L200 MainTranslator]: Completed pre-run
[2024-10-13 17:41:11,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2024-10-13 17:41:11,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415]
[2024-10-13 17:41:11,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [653]
[2024-10-13 17:41:11,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691]
[2024-10-13 17:41:11,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [759]
[2024-10-13 17:41:11,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [810]
[2024-10-13 17:41:11,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907]
[2024-10-13 17:41:11,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916]
[2024-10-13 17:41:11,513 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-13 17:41:11,533 INFO L204 MainTranslator]: Completed translation
[2024-10-13 17:41:11,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11 WrapperNode
[2024-10-13 17:41:11,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-13 17:41:11,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-13 17:41:11,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-13 17:41:11,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-13 17:41:11,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,586 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 59, calls inlined = 147, statements flattened = 991
[2024-10-13 17:41:11,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-13 17:41:11,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-13 17:41:11,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-13 17:41:11,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-10-13 17:41:11,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,605 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,620 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].
[2024-10-13 17:41:11,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-13 17:41:11,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-13 17:41:11,656 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-10-13 17:41:11,656 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-10-13 17:41:11,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (1/1) ...
[2024-10-13 17:41:11,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-10-13 17:41:11,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-13 17:41:11,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-10-13 17:41:11,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-10-13 17:41:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-13 17:41:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-13 17:41:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-13 17:41:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-13 17:41:11,797 INFO L238 CfgBuilder]: Building ICFG
[2024-10-13 17:41:11,800 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-13 17:41:12,337 INFO L? ?]: Removed 241 outVars from TransFormulas that were not future-live.
[2024-10-13 17:41:12,338 INFO L287 CfgBuilder]: Performing block encoding
[2024-10-13 17:41:12,354 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-13 17:41:12,354 INFO L314 CfgBuilder]: Removed 2 assume(true) statements.
[2024-10-13 17:41:12,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:41:12 BoogieIcfgContainer
[2024-10-13 17:41:12,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-13 17:41:12,356 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-10-13 17:41:12,356 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-10-13 17:41:12,358 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-10-13 17:41:12,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-10-13 17:41:12,359 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:41:11" (1/3) ...
[2024-10-13 17:41:12,360 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d59ca7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:41:12, skipping insertion in model container
[2024-10-13 17:41:12,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-10-13 17:41:12,360 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:41:11" (2/3) ...
[2024-10-13 17:41:12,360 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d59ca7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:41:12, skipping insertion in model container
[2024-10-13 17:41:12,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-10-13 17:41:12,360 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:41:12" (3/3) ...
[2024-10-13 17:41:12,361 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product53.cil.c
[2024-10-13 17:41:12,401 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-10-13 17:41:12,401 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-10-13 17:41:12,401 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-10-13 17:41:12,401 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-10-13 17:41:12,401 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-10-13 17:41:12,401 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-10-13 17:41:12,402 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-10-13 17:41:12,402 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-10-13 17:41:12,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 283 states, 282 states have (on average 1.3652482269503545) internal successors, (385), 282 states have internal predecessors, (385), 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)
[2024-10-13 17:41:12,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184
[2024-10-13 17:41:12,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-10-13 17:41:12,430 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-10-13 17:41:12,435 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:12,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:12,435 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-10-13 17:41:12,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 283 states, 282 states have (on average 1.3652482269503545) internal successors, (385), 282 states have internal predecessors, (385), 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)
[2024-10-13 17:41:12,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184
[2024-10-13 17:41:12,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-10-13 17:41:12,448 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-10-13 17:41:12,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:12,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:12,459 INFO L745 eck$LassoCheckResult]: Stem: 155#$Ultimate##0true 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 169#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 27#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 258#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 86#valid_product_returnLabel#1true main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 31#L894true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 67#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 266#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 114#L705-2true
[2024-10-13 17:41:12,459 INFO L747 eck$LassoCheckResult]: Loop: 114#L705-2true assume !false; 260#L706true assume test_~splverifierCounter~0#1 < 4; 221#L707true havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 13#L715true assume !(0 != test_~tmp~8#1); 131#L715-2true havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 10#L725true assume !(0 != test_~tmp___0~2#1); 18#L725-2true havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 277#L735true assume 0 != test_~tmp___2~0#1; 220#L741-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 261#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 226#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 243#L438true assume !(0 != ~pumpRunning~0); 252#L438-2true assume !(0 != ~systemActive~0); 173#L445-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 197#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 68#L789true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 191#L789-1true havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 198#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 114#L705-2true
[2024-10-13 17:41:12,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:12,464 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2024-10-13 17:41:12,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:12,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622017703]
[2024-10-13 17:41:12,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:12,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:12,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 17:41:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:12,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-13 17:41:12,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:12,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1456243534, now seen corresponding path program 1 times
[2024-10-13 17:41:12,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:12,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886037849]
[2024-10-13 17:41:12,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:12,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:12,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 17:41:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:12,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-13 17:41:12,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:12,614 INFO L85 PathProgramCache]: Analyzing trace with hash 116891127, now seen corresponding path program 1 times
[2024-10-13 17:41:12,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:12,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611611501]
[2024-10-13 17:41:12,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:12,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 17:41:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 17:41:12,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 17:41:12,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611611501]
[2024-10-13 17:41:12,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611611501] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 17:41:12,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 17:41:12,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-10-13 17:41:12,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159682700]
[2024-10-13 17:41:12,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 17:41:12,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 17:41:12,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-10-13 17:41:12,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-10-13 17:41:12,920 INFO L87 Difference]: Start difference. First operand has 283 states, 282 states have (on average 1.3652482269503545) internal successors, (385), 282 states have internal predecessors, (385), 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 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 17:41:12,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 17:41:12,998 INFO L93 Difference]: Finished difference Result 277 states and 368 transitions.
[2024-10-13 17:41:12,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 277 states and 368 transitions.
[2024-10-13 17:41:13,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178
[2024-10-13 17:41:13,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 277 states to 267 states and 358 transitions.
[2024-10-13 17:41:13,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 267
[2024-10-13 17:41:13,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 267
[2024-10-13 17:41:13,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 267 states and 358 transitions.
[2024-10-13 17:41:13,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-10-13 17:41:13,016 INFO L218 hiAutomatonCegarLoop]: Abstraction has 267 states and 358 transitions.
[2024-10-13 17:41:13,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states and 358 transitions.
[2024-10-13 17:41:13,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267.
[2024-10-13 17:41:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 267 states have (on average 1.3408239700374531) internal successors, (358), 266 states have internal predecessors, (358), 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)
[2024-10-13 17:41:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 358 transitions.
[2024-10-13 17:41:13,045 INFO L240 hiAutomatonCegarLoop]: Abstraction has 267 states and 358 transitions.
[2024-10-13 17:41:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-13 17:41:13,048 INFO L425 stractBuchiCegarLoop]: Abstraction has 267 states and 358 transitions.
[2024-10-13 17:41:13,049 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-10-13 17:41:13,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 267 states and 358 transitions.
[2024-10-13 17:41:13,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178
[2024-10-13 17:41:13,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-10-13 17:41:13,050 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-10-13 17:41:13,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:13,051 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]
[2024-10-13 17:41:13,051 INFO L745 eck$LassoCheckResult]: Stem: 789#$Ultimate##0 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 790#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 627#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 628#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 727#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 633#L894 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 634#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 699#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 754#L705-2
[2024-10-13 17:41:13,052 INFO L747 eck$LassoCheckResult]: Loop: 754#L705-2 assume !false; 755#L706 assume test_~splverifierCounter~0#1 < 4; 829#L707 havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 602#L715 assume !(0 != test_~tmp~8#1); 604#L715-2 havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 594#L725 assume !(0 != test_~tmp___0~2#1); 596#L725-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 611#L735 assume 0 != test_~tmp___2~0#1; 758#L741-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 827#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 832#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 833#L438 assume !(0 != ~pumpRunning~0); 695#L438-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 840#L522 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret30#1, isMethaneAlarm_~retValue_acc~3#1;havoc isMethaneAlarm_~retValue_acc~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 841#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret30#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3#1 := isMethaneAlarm_#t~ret30#1;havoc isMethaneAlarm_#t~ret30#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; 843#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret29#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret30#1, isMethaneAlarm_~retValue_acc~3#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret29#1;havoc processEnvironment_#t~ret29#1; 838#L526 assume 0 != processEnvironment_~tmp~5#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 839#deactivatePump_returnLabel#1 assume { :end_inline_deactivatePump } true; 609#L522-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 610#L445-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 803#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 701#L789 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 703#L789-1 havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 817#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 754#L705-2
[2024-10-13 17:41:13,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:13,052 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2024-10-13 17:41:13,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:13,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063986318]
[2024-10-13 17:41:13,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:13,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 17:41:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-13 17:41:13,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:13,072 INFO L85 PathProgramCache]: Analyzing trace with hash -803843177, now seen corresponding path program 1 times
[2024-10-13 17:41:13,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:13,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823113288]
[2024-10-13 17:41:13,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:13,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 17:41:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 17:41:13,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 17:41:13,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823113288]
[2024-10-13 17:41:13,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823113288] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 17:41:13,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 17:41:13,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-13 17:41:13,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202995443]
[2024-10-13 17:41:13,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 17:41:13,096 INFO L762 eck$LassoCheckResult]: loop already infeasible
[2024-10-13 17:41:13,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 17:41:13,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-13 17:41:13,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-13 17:41:13,097 INFO L87 Difference]: Start difference. First operand 267 states and 358 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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)
[2024-10-13 17:41:13,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 17:41:13,176 INFO L93 Difference]: Finished difference Result 286 states and 363 transitions.
[2024-10-13 17:41:13,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 286 states and 363 transitions.
[2024-10-13 17:41:13,178 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 196
[2024-10-13 17:41:13,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 286 states to 286 states and 363 transitions.
[2024-10-13 17:41:13,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 286
[2024-10-13 17:41:13,180 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 286
[2024-10-13 17:41:13,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 286 states and 363 transitions.
[2024-10-13 17:41:13,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-10-13 17:41:13,181 INFO L218 hiAutomatonCegarLoop]: Abstraction has 286 states and 363 transitions.
[2024-10-13 17:41:13,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states and 363 transitions.
[2024-10-13 17:41:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286.
[2024-10-13 17:41:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 286 states have (on average 1.2692307692307692) internal successors, (363), 285 states have internal predecessors, (363), 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)
[2024-10-13 17:41:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 363 transitions.
[2024-10-13 17:41:13,194 INFO L240 hiAutomatonCegarLoop]: Abstraction has 286 states and 363 transitions.
[2024-10-13 17:41:13,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-13 17:41:13,195 INFO L425 stractBuchiCegarLoop]: Abstraction has 286 states and 363 transitions.
[2024-10-13 17:41:13,195 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-10-13 17:41:13,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 286 states and 363 transitions.
[2024-10-13 17:41:13,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 196
[2024-10-13 17:41:13,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-10-13 17:41:13,197 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-10-13 17:41:13,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:13,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:13,197 INFO L745 eck$LassoCheckResult]: Stem: 1304#$Ultimate##0 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1167#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1168#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1248#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 1171#L894 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1172#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1224#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1272#L705-2
[2024-10-13 17:41:13,198 INFO L747 eck$LassoCheckResult]: Loop: 1272#L705-2 assume !false; 1273#L706 assume test_~splverifierCounter~0#1 < 4; 1342#L707 havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1155#L715 assume !(0 != test_~tmp~8#1); 1157#L715-2 havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1148#L725 assume !(0 != test_~tmp___0~2#1); 1150#L725-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1162#L735 assume 0 != test_~tmp___2~0#1; 1276#L741-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1340#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 1346#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1347#L438 assume !(0 != ~pumpRunning~0); 1351#L438-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1354#L522 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 1250#L496-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 1251#L470-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 1329#L1000-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 1330#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1; 1280#L624-9 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1281#L624-11 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1318#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret27#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1; 1278#L474-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1261#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 1262#L470-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1286#L496-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1160#L522-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1161#L445-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 1315#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 1225#L789 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 1227#L789-1 havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1328#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1272#L705-2
[2024-10-13 17:41:13,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:13,199 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2024-10-13 17:41:13,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:13,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171483012]
[2024-10-13 17:41:13,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:13,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 17:41:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-13 17:41:13,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:13,217 INFO L85 PathProgramCache]: Analyzing trace with hash 778019766, now seen corresponding path program 1 times
[2024-10-13 17:41:13,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:13,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752690624]
[2024-10-13 17:41:13,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:13,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 17:41:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 17:41:13,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 17:41:13,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752690624]
[2024-10-13 17:41:13,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752690624] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 17:41:13,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 17:41:13,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-10-13 17:41:13,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248454068]
[2024-10-13 17:41:13,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 17:41:13,278 INFO L762 eck$LassoCheckResult]: loop already infeasible
[2024-10-13 17:41:13,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 17:41:13,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-13 17:41:13,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-13 17:41:13,279 INFO L87 Difference]: Start difference. First operand 286 states and 363 transitions. cyclomatic complexity: 79 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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)
[2024-10-13 17:41:13,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 17:41:13,420 INFO L93 Difference]: Finished difference Result 564 states and 712 transitions.
[2024-10-13 17:41:13,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 564 states and 712 transitions.
[2024-10-13 17:41:13,422 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 392
[2024-10-13 17:41:13,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 564 states to 564 states and 712 transitions.
[2024-10-13 17:41:13,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 564
[2024-10-13 17:41:13,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 564
[2024-10-13 17:41:13,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 564 states and 712 transitions.
[2024-10-13 17:41:13,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-10-13 17:41:13,433 INFO L218 hiAutomatonCegarLoop]: Abstraction has 564 states and 712 transitions.
[2024-10-13 17:41:13,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states and 712 transitions.
[2024-10-13 17:41:13,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 561.
[2024-10-13 17:41:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 561 states have (on average 1.2584670231729056) internal successors, (706), 560 states have internal predecessors, (706), 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)
[2024-10-13 17:41:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 706 transitions.
[2024-10-13 17:41:13,453 INFO L240 hiAutomatonCegarLoop]: Abstraction has 561 states and 706 transitions.
[2024-10-13 17:41:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-13 17:41:13,454 INFO L425 stractBuchiCegarLoop]: Abstraction has 561 states and 706 transitions.
[2024-10-13 17:41:13,454 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2024-10-13 17:41:13,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 561 states and 706 transitions.
[2024-10-13 17:41:13,456 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 390
[2024-10-13 17:41:13,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-10-13 17:41:13,456 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-10-13 17:41:13,456 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:13,456 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 17:41:13,457 INFO L745 eck$LassoCheckResult]: Stem: 2185#$Ultimate##0 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 2030#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2031#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 2110#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 2034#L894 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 2035#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2088#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2286#L705-2
[2024-10-13 17:41:13,457 INFO L747 eck$LassoCheckResult]: Loop: 2286#L705-2 assume !false; 2317#L706 assume test_~splverifierCounter~0#1 < 4; 2315#L707 havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 2316#L715 assume !(0 != test_~tmp~8#1); 2372#L715-2 havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 2307#L725 assume !(0 != test_~tmp___0~2#1); 2306#L725-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 2301#L735 assume 0 != test_~tmp___2~0#1; 2246#L741-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2247#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 2363#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2361#L438 assume !(0 != ~pumpRunning~0); 2360#L438-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2359#L522 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 2293#L496-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 2358#L470-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 2357#L1000-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 2229#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1; 2356#L624-9 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2233#L624-11 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 2234#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret27#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1; 2347#L474-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2125#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 2126#L470-7 havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2407#L496-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2275#L522-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 2403#L445-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 2400#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 2398#L789 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2396#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret48#1;havoc __utac_acc__Specification5_spec__3_#t~ret48#1; 2390#L793 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 2321#L789-1 havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2322#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2286#L705-2
[2024-10-13 17:41:13,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:13,459 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times
[2024-10-13 17:41:13,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:13,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731843729]
[2024-10-13 17:41:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:13,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 17:41:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-13 17:41:13,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:13,478 INFO L85 PathProgramCache]: Analyzing trace with hash 331686385, now seen corresponding path program 1 times
[2024-10-13 17:41:13,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:13,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130201975]
[2024-10-13 17:41:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:13,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 17:41:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-13 17:41:13,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 17:41:13,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1645101096, now seen corresponding path program 1 times
[2024-10-13 17:41:13,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 17:41:13,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744819016]
[2024-10-13 17:41:13,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 17:41:13,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 17:41:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 17:41:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:13,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-13 17:41:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:14,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 17:41:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 17:41:14,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:41:14 BoogieIcfgContainer
[2024-10-13 17:41:14,204 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-10-13 17:41:14,204 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-13 17:41:14,204 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-10-13 17:41:14,204 INFO L274 PluginConnector]: Witness Printer initialized
[2024-10-13 17:41:14,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:41:12" (3/4) ...
[2024-10-13 17:41:14,205 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-10-13 17:41:14,246 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-10-13 17:41:14,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-13 17:41:14,247 INFO L158 Benchmark]: Toolchain (without parser) took 3062.49ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 99.9MB in the beginning and 128.5MB in the end (delta: -28.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB.
[2024-10-13 17:41:14,247 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 120.0MB in the end (delta: 142.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-13 17:41:14,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.77ms. Allocated memory is still 157.3MB. Free memory was 99.9MB in the beginning and 78.1MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2024-10-13 17:41:14,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.69ms. Allocated memory is still 157.3MB. Free memory was 78.1MB in the beginning and 73.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-13 17:41:14,248 INFO L158 Benchmark]: Boogie Preprocessor took 64.81ms. Allocated memory is still 157.3MB. Free memory was 73.5MB in the beginning and 68.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-13 17:41:14,248 INFO L158 Benchmark]: RCFGBuilder took 699.05ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 68.7MB in the beginning and 156.9MB in the end (delta: -88.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB.
[2024-10-13 17:41:14,248 INFO L158 Benchmark]: BuchiAutomizer took 1848.25ms. Allocated memory is still 203.4MB. Free memory was 156.9MB in the beginning and 131.6MB in the end (delta: 25.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB.
[2024-10-13 17:41:14,248 INFO L158 Benchmark]: Witness Printer took 42.13ms. Allocated memory is still 203.4MB. Free memory was 131.6MB in the beginning and 128.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-13 17:41:14,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 120.0MB in the end (delta: 142.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 348.77ms. Allocated memory is still 157.3MB. Free memory was 99.9MB in the beginning and 78.1MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 52.69ms. Allocated memory is still 157.3MB. Free memory was 78.1MB in the beginning and 73.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 64.81ms. Allocated memory is still 157.3MB. Free memory was 73.5MB in the beginning and 68.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 699.05ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 68.7MB in the beginning and 156.9MB in the end (delta: -88.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1848.25ms. Allocated memory is still 203.4MB. Free memory was 156.9MB in the beginning and 131.6MB in the end (delta: 25.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB.
* Witness Printer took 42.13ms. Allocated memory is still 203.4MB. Free memory was 131.6MB in the beginning and 128.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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,"MinePump.i","") [415]
- GenericResultAtLocation [Line: 653]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [653]
- GenericResultAtLocation [Line: 691]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691]
- GenericResultAtLocation [Line: 759]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [759]
- GenericResultAtLocation [Line: 810]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [810]
- GenericResultAtLocation [Line: 907]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907]
- GenericResultAtLocation [Line: 916]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916]
* 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 6 locations. The remainder module has 561 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 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, 1155 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1155 mSDsluCounter, 2768 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1777 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 991 mSDtfsCounter, 213 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: 705]: 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;
[L426] int pumpRunning = 0;
[L427] int systemActive = 1;
[L762] int switchedOnBeforeTS ;
[L811] int cleanupTimeShifts = 4;
[L917] int waterLevel = 1;
[L918] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L885] int retValue_acc ;
[L886] int tmp ;
[L890] FCALL select_helpers()
[L891] FCALL select_features()
[L892] CALL, EXPR valid_product()
[L683] int retValue_acc ;
[L686] retValue_acc = 1
[L687] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L892] RET, EXPR valid_product()
[L892] tmp = valid_product()
[L894] COND TRUE \read(tmp)
[L896] FCALL setup()
[L897] CALL runTest()
[L878] CALL __utac_acc__Specification5_spec__1()
[L767] switchedOnBeforeTS = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L878] RET __utac_acc__Specification5_spec__1()
[L879] CALL test()
[L696] int splverifierCounter ;
[L697] int tmp ;
[L698] int tmp___0 ;
[L699] int tmp___1 ;
[L700] int tmp___2 ;
[L703] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
Loop:
[L705] COND TRUE 1
[L707] COND TRUE splverifierCounter < 4
[L713] tmp = __VERIFIER_nondet_int()
[L715] COND FALSE !(\read(tmp))
[L723] tmp___0 = __VERIFIER_nondet_int()
[L725] COND FALSE !(\read(tmp___0))
[L733] tmp___2 = __VERIFIER_nondet_int()
[L735] COND TRUE \read(tmp___2)
[L748] CALL timeShift()
[L436] CALL __utac_acc__Specification5_spec__2()
[L776] CALL, EXPR isPumpRunning()
[L571] int retValue_acc ;
[L574] retValue_acc = pumpRunning
[L575] return (retValue_acc);
[L776] RET, EXPR isPumpRunning()
[L776] switchedOnBeforeTS = isPumpRunning()
[L436] RET __utac_acc__Specification5_spec__2()
[L438] COND FALSE !(\read(pumpRunning))
[L445] COND TRUE \read(systemActive)
[L447] CALL processEnvironment()
[L519] int tmp ;
[L522] COND FALSE !(\read(pumpRunning))
[L537] CALL processEnvironment__wrappee__lowWaterSensor()
[L493] int tmp ;
[L496] COND FALSE !(\read(pumpRunning))
[L511] CALL processEnvironment__wrappee__highWaterSensor()
[L467] int tmp ;
[L470] COND TRUE ! pumpRunning
[L472] CALL, EXPR isHighWaterLevel()
[L616] int retValue_acc ;
[L617] int tmp ;
[L618] int tmp___0 ;
[L622] CALL, EXPR isHighWaterSensorDry()
[L997] int retValue_acc ;
[L1000] COND TRUE waterLevel < 2
[L1001] retValue_acc = 1
[L1002] return (retValue_acc);
[L622] RET, EXPR isHighWaterSensorDry()
[L622] tmp = isHighWaterSensorDry()
[L624] COND TRUE \read(tmp)
[L625] tmp___0 = 0
[L629] retValue_acc = tmp___0
[L630] return (retValue_acc);
[L472] RET, EXPR isHighWaterLevel()
[L472] tmp = isHighWaterLevel()
[L474] COND FALSE !(\read(tmp))
[L480] FCALL processEnvironment__wrappee__base()
[L511] RET processEnvironment__wrappee__highWaterSensor()
[L537] RET processEnvironment__wrappee__lowWaterSensor()
[L447] RET processEnvironment()
[L453] CALL __utac_acc__Specification5_spec__3()
[L782] int tmp ;
[L783] int tmp___0 ;
[L787] CALL, EXPR getWaterLevel()
[L988] int retValue_acc ;
[L991] retValue_acc = waterLevel
[L992] return (retValue_acc);
[L787] RET, EXPR getWaterLevel()
[L787] tmp = getWaterLevel()
[L789] COND TRUE tmp != 2
[L791] CALL, EXPR isPumpRunning()
[L571] int retValue_acc ;
[L574] retValue_acc = pumpRunning
[L575] return (retValue_acc);
[L791] RET, EXPR isPumpRunning()
[L791] tmp___0 = isPumpRunning()
[L793] COND FALSE !(\read(tmp___0))
[L453] RET __utac_acc__Specification5_spec__3()
[L748] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 705]: 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;
[L426] int pumpRunning = 0;
[L427] int systemActive = 1;
[L762] int switchedOnBeforeTS ;
[L811] int cleanupTimeShifts = 4;
[L917] int waterLevel = 1;
[L918] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L885] int retValue_acc ;
[L886] int tmp ;
[L890] FCALL select_helpers()
[L891] FCALL select_features()
[L892] CALL, EXPR valid_product()
[L683] int retValue_acc ;
[L686] retValue_acc = 1
[L687] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L892] RET, EXPR valid_product()
[L892] tmp = valid_product()
[L894] COND TRUE \read(tmp)
[L896] FCALL setup()
[L897] CALL runTest()
[L878] CALL __utac_acc__Specification5_spec__1()
[L767] switchedOnBeforeTS = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L878] RET __utac_acc__Specification5_spec__1()
[L879] CALL test()
[L696] int splverifierCounter ;
[L697] int tmp ;
[L698] int tmp___0 ;
[L699] int tmp___1 ;
[L700] int tmp___2 ;
[L703] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
Loop:
[L705] COND TRUE 1
[L707] COND TRUE splverifierCounter < 4
[L713] tmp = __VERIFIER_nondet_int()
[L715] COND FALSE !(\read(tmp))
[L723] tmp___0 = __VERIFIER_nondet_int()
[L725] COND FALSE !(\read(tmp___0))
[L733] tmp___2 = __VERIFIER_nondet_int()
[L735] COND TRUE \read(tmp___2)
[L748] CALL timeShift()
[L436] CALL __utac_acc__Specification5_spec__2()
[L776] CALL, EXPR isPumpRunning()
[L571] int retValue_acc ;
[L574] retValue_acc = pumpRunning
[L575] return (retValue_acc);
[L776] RET, EXPR isPumpRunning()
[L776] switchedOnBeforeTS = isPumpRunning()
[L436] RET __utac_acc__Specification5_spec__2()
[L438] COND FALSE !(\read(pumpRunning))
[L445] COND TRUE \read(systemActive)
[L447] CALL processEnvironment()
[L519] int tmp ;
[L522] COND FALSE !(\read(pumpRunning))
[L537] CALL processEnvironment__wrappee__lowWaterSensor()
[L493] int tmp ;
[L496] COND FALSE !(\read(pumpRunning))
[L511] CALL processEnvironment__wrappee__highWaterSensor()
[L467] int tmp ;
[L470] COND TRUE ! pumpRunning
[L472] CALL, EXPR isHighWaterLevel()
[L616] int retValue_acc ;
[L617] int tmp ;
[L618] int tmp___0 ;
[L622] CALL, EXPR isHighWaterSensorDry()
[L997] int retValue_acc ;
[L1000] COND TRUE waterLevel < 2
[L1001] retValue_acc = 1
[L1002] return (retValue_acc);
[L622] RET, EXPR isHighWaterSensorDry()
[L622] tmp = isHighWaterSensorDry()
[L624] COND TRUE \read(tmp)
[L625] tmp___0 = 0
[L629] retValue_acc = tmp___0
[L630] return (retValue_acc);
[L472] RET, EXPR isHighWaterLevel()
[L472] tmp = isHighWaterLevel()
[L474] COND FALSE !(\read(tmp))
[L480] FCALL processEnvironment__wrappee__base()
[L511] RET processEnvironment__wrappee__highWaterSensor()
[L537] RET processEnvironment__wrappee__lowWaterSensor()
[L447] RET processEnvironment()
[L453] CALL __utac_acc__Specification5_spec__3()
[L782] int tmp ;
[L783] int tmp___0 ;
[L787] CALL, EXPR getWaterLevel()
[L988] int retValue_acc ;
[L991] retValue_acc = waterLevel
[L992] return (retValue_acc);
[L787] RET, EXPR getWaterLevel()
[L787] tmp = getWaterLevel()
[L789] COND TRUE tmp != 2
[L791] CALL, EXPR isPumpRunning()
[L571] int retValue_acc ;
[L574] retValue_acc = pumpRunning
[L575] return (retValue_acc);
[L791] RET, EXPR isPumpRunning()
[L791] tmp___0 = isPumpRunning()
[L793] COND FALSE !(\read(tmp___0))
[L453] RET __utac_acc__Specification5_spec__3()
[L748] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-10-13 17:41:14,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)