./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:48:35,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:48:36,022 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:48:36,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:48:36,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:48:36,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:48:36,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:48:36,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:48:36,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:48:36,054 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:48:36,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:48:36,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:48:36,055 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:48:36,055 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:48:36,055 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:48:36,055 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:48:36,055 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:48:36,055 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:48:36,055 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:48:36,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:48:36,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:48:36,056 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:48:36,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:48:36,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:48:36,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:48:36,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:48:36,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:48:36,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:48:36,057 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:48:36,057 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:48:36,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:48:36,057 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:48:36,057 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:48:36,057 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:48:36,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:48:36,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:48:36,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:48:36,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:48:36,058 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:48:36,058 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a [2025-01-10 07:48:36,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:48:36,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:48:36,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:48:36,382 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:48:36,382 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:48:36,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2025-01-10 07:48:37,694 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7ecfacac/1ba8d181c496411483abee72e7efdc28/FLAG4702020ff [2025-01-10 07:48:38,028 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:48:38,029 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2025-01-10 07:48:38,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7ecfacac/1ba8d181c496411483abee72e7efdc28/FLAG4702020ff [2025-01-10 07:48:38,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7ecfacac/1ba8d181c496411483abee72e7efdc28 [2025-01-10 07:48:38,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:48:38,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:48:38,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:48:38,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:48:38,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:48:38,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a70267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38, skipping insertion in model container [2025-01-10 07:48:38,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:48:38,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:48:38,457 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:48:38,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-01-10 07:48:38,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] [2025-01-10 07:48:38,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [272] [2025-01-10 07:48:38,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [317] [2025-01-10 07:48:38,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [326] [2025-01-10 07:48:38,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] [2025-01-10 07:48:38,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [771] [2025-01-10 07:48:38,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [1110] [2025-01-10 07:48:38,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:48:38,543 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:48:38,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38 WrapperNode [2025-01-10 07:48:38,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:48:38,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:48:38,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:48:38,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:48:38,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,637 INFO L138 Inliner]: procedures = 65, calls = 125, calls flagged for inlining = 78, calls inlined = 459, statements flattened = 2723 [2025-01-10 07:48:38,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:48:38,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:48:38,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:48:38,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:48:38,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,699 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]. [2025-01-10 07:48:38,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,727 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:48:38,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:48:38,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:48:38,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:48:38,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (1/1) ... [2025-01-10 07:48:38,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:48:38,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:48:38,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:48:38,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:48:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:48:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:48:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:48:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:48:38,928 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:48:38,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:48:40,268 INFO L? ?]: Removed 593 outVars from TransFormulas that were not future-live. [2025-01-10 07:48:40,269 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:48:40,320 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:48:40,322 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:48:40,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:48:40 BoogieIcfgContainer [2025-01-10 07:48:40,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:48:40,323 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:48:40,323 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:48:40,330 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:48:40,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:48:40,331 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:48:38" (1/3) ... [2025-01-10 07:48:40,332 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aa94e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:48:40, skipping insertion in model container [2025-01-10 07:48:40,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:48:40,332 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:48:38" (2/3) ... [2025-01-10 07:48:40,333 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aa94e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:48:40, skipping insertion in model container [2025-01-10 07:48:40,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:48:40,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:48:40" (3/3) ... [2025-01-10 07:48:40,334 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2025-01-10 07:48:40,392 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:48:40,392 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:48:40,392 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:48:40,392 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:48:40,392 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:48:40,393 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:48:40,393 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:48:40,393 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:48:40,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 777 states, 776 states have (on average 1.342783505154639) internal successors, (1042), 776 states have internal predecessors, (1042), 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) [2025-01-10 07:48:40,443 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2025-01-10 07:48:40,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:48:40,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:48:40,451 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:40,451 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:40,451 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:48:40,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 777 states, 776 states have (on average 1.342783505154639) internal successors, (1042), 776 states have internal predecessors, (1042), 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) [2025-01-10 07:48:40,462 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2025-01-10 07:48:40,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:48:40,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:48:40,464 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:40,464 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:40,469 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 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);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret14#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret16#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1;" "havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:48:40,470 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume 0 != test_~tmp___2~0#1;" "assume !(0 != ~__SELECTED_FEATURE_startCommand~0);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:48:40,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:40,475 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2025-01-10 07:48:40,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:40,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621633656] [2025-01-10 07:48:40,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:40,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:40,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:48:40,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:48:40,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:40,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:40,574 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:40,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:48:40,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:48:40,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:40,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:40,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:40,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash -89053732, now seen corresponding path program 1 times [2025-01-10 07:48:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:40,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6622988] [2025-01-10 07:48:40,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:40,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:40,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:48:40,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:48:40,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:40,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:40,641 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:40,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:48:40,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:48:40,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:40,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:40,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:40,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:40,650 INFO L85 PathProgramCache]: Analyzing trace with hash -816468405, now seen corresponding path program 1 times [2025-01-10 07:48:40,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:40,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130012509] [2025-01-10 07:48:40,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:40,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:40,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 07:48:40,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 07:48:40,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:40,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:48:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:48:40,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:48:40,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130012509] [2025-01-10 07:48:40,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130012509] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:48:40,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:48:40,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 07:48:40,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715274802] [2025-01-10 07:48:40,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:48:40,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:48:41,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 07:48:41,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-10 07:48:41,004 INFO L87 Difference]: Start difference. First operand has 777 states, 776 states have (on average 1.342783505154639) internal successors, (1042), 776 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2025-01-10 07:48:41,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:48:41,289 INFO L93 Difference]: Finished difference Result 2356 states and 3149 transitions. [2025-01-10 07:48:41,290 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2356 states and 3149 transitions. [2025-01-10 07:48:41,312 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1558 [2025-01-10 07:48:41,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2356 states to 2316 states and 3109 transitions. [2025-01-10 07:48:41,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2316 [2025-01-10 07:48:41,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2316 [2025-01-10 07:48:41,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2316 states and 3109 transitions. [2025-01-10 07:48:41,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:48:41,360 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2316 states and 3109 transitions. [2025-01-10 07:48:41,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states and 3109 transitions. [2025-01-10 07:48:41,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 822. [2025-01-10 07:48:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 822 states have (on average 1.340632603406326) internal successors, (1102), 821 states have internal predecessors, (1102), 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) [2025-01-10 07:48:41,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1102 transitions. [2025-01-10 07:48:41,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 822 states and 1102 transitions. [2025-01-10 07:48:41,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 07:48:41,451 INFO L432 stractBuchiCegarLoop]: Abstraction has 822 states and 1102 transitions. [2025-01-10 07:48:41,451 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:48:41,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 822 states and 1102 transitions. [2025-01-10 07:48:41,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 551 [2025-01-10 07:48:41,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:48:41,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:48:41,459 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:41,460 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] [2025-01-10 07:48:41,460 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 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);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret14#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret16#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1;" "havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:48:41,461 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet43#1;test_~tmp___1~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true;" "assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true;" "assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__lowWaterSensor } true;" "assume { :end_inline_processEnvironment__before__methaneAlarm } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:48:41,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:41,462 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2025-01-10 07:48:41,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:41,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774492395] [2025-01-10 07:48:41,462 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:48:41,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:41,476 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:48:41,489 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:48:41,490 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:48:41,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:41,490 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:41,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:48:41,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:48:41,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:41,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:41,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:41,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1173136087, now seen corresponding path program 1 times [2025-01-10 07:48:41,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:41,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66440148] [2025-01-10 07:48:41,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:41,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:41,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 07:48:41,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 07:48:41,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:41,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:41,534 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:41,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 07:48:41,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 07:48:41,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:41,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:41,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:41,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1531023240, now seen corresponding path program 1 times [2025-01-10 07:48:41,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:41,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728840198] [2025-01-10 07:48:41,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:41,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:41,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 07:48:41,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 07:48:41,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:41,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:48:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:48:41,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:48:41,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728840198] [2025-01-10 07:48:41,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728840198] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:48:41,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:48:41,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 07:48:41,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890265701] [2025-01-10 07:48:41,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:48:41,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:48:41,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 07:48:41,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 07:48:41,838 INFO L87 Difference]: Start difference. First operand 822 states and 1102 transitions. cyclomatic complexity: 283 Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:48:42,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:48:42,195 INFO L93 Difference]: Finished difference Result 1630 states and 2184 transitions. [2025-01-10 07:48:42,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1630 states and 2184 transitions. [2025-01-10 07:48:42,207 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1102 [2025-01-10 07:48:42,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1630 states to 1630 states and 2184 transitions. [2025-01-10 07:48:42,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1630 [2025-01-10 07:48:42,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1630 [2025-01-10 07:48:42,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1630 states and 2184 transitions. [2025-01-10 07:48:42,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:48:42,221 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1630 states and 2184 transitions. [2025-01-10 07:48:42,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states and 2184 transitions. [2025-01-10 07:48:42,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1624. [2025-01-10 07:48:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1624 states have (on average 1.3374384236453203) internal successors, (2172), 1623 states have internal predecessors, (2172), 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) [2025-01-10 07:48:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2172 transitions. [2025-01-10 07:48:42,265 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1624 states and 2172 transitions. [2025-01-10 07:48:42,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 07:48:42,266 INFO L432 stractBuchiCegarLoop]: Abstraction has 1624 states and 2172 transitions. [2025-01-10 07:48:42,267 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:48:42,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1624 states and 2172 transitions. [2025-01-10 07:48:42,276 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1098 [2025-01-10 07:48:42,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:48:42,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:48:42,277 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:42,278 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] [2025-01-10 07:48:42,278 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 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);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret14#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret16#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1;" "havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:48:42,278 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet43#1;test_~tmp___1~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true;" "assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true;" "assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__lowWaterSensor } true;" "assume { :end_inline_processEnvironment__before__methaneAlarm } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~11#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret61#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret61#1;havoc __utac_acc__Specification5_spec__3_#t~ret61#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:48:42,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:42,279 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 3 times [2025-01-10 07:48:42,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:42,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767661674] [2025-01-10 07:48:42,279 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:48:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:42,287 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:48:42,293 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:48:42,294 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 07:48:42,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:42,294 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:42,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:48:42,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:48:42,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:42,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:42,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:42,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:42,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2081365970, now seen corresponding path program 1 times [2025-01-10 07:48:42,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:42,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839155834] [2025-01-10 07:48:42,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:42,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:42,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 07:48:42,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 07:48:42,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:42,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:42,324 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:42,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 07:48:42,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 07:48:42,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:42,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:42,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:42,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:42,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1881430973, now seen corresponding path program 1 times [2025-01-10 07:48:42,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:42,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281036301] [2025-01-10 07:48:42,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:42,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:42,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 07:48:42,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 07:48:42,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:42,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:42,361 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:42,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 07:48:42,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 07:48:42,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:42,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:42,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:43,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:48:43,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:48:43,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:43,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:43,659 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:43,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 07:48:43,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 07:48:43,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:43,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:43,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:48:43 BoogieIcfgContainer [2025-01-10 07:48:43,758 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:48:43,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:48:43,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:48:43,758 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:48:43,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:48:40" (3/4) ... [2025-01-10 07:48:43,761 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:48:43,830 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:48:43,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:48:43,832 INFO L158 Benchmark]: Toolchain (without parser) took 5744.15ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 111.3MB in the beginning and 96.6MB in the end (delta: 14.7MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2025-01-10 07:48:43,832 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:48:43,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.47ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 91.3MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:48:43,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.91ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 82.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:48:43,833 INFO L158 Benchmark]: Boogie Preprocessor took 143.49ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 73.0MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:48:43,834 INFO L158 Benchmark]: RCFGBuilder took 1540.65ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 106.7MB in the end (delta: -33.7MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2025-01-10 07:48:43,834 INFO L158 Benchmark]: BuchiAutomizer took 3434.28ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 106.7MB in the beginning and 101.1MB in the end (delta: 5.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2025-01-10 07:48:43,834 INFO L158 Benchmark]: Witness Printer took 72.58ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 96.6MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:48:43,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.47ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 91.3MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.91ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 82.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.49ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 73.0MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1540.65ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 106.7MB in the end (delta: -33.7MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3434.28ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 106.7MB in the beginning and 101.1MB in the end (delta: 5.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 72.58ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 96.6MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [272] - GenericResultAtLocation [Line: 317]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [317] - GenericResultAtLocation [Line: 326]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [326] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [771] - GenericResultAtLocation [Line: 1110]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [1110] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 1624 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.3s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1500 StatesRemovedByMinimization, 2 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, 6023 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6023 mSDsluCounter, 10595 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8430 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 353 IncrementalHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 2165 mSDtfsCounter, 353 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 707]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L66] int waterLevel = 1; [L67] int methaneLevelCritical = 0; [L169] int cleanupTimeShifts = 4; [L496] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L1111] int switchedOnBeforeTS ; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L250] int retValue_acc ; [L251] int tmp ; [L255] CALL select_helpers() [L304] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L255] RET select_helpers() [L256] CALL select_features() [L289] __SELECTED_FEATURE_base = 1 [L290] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L290] RET, EXPR select_one() [L290] __SELECTED_FEATURE_highWaterSensor = select_one() [L291] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L291] RET, EXPR select_one() [L291] __SELECTED_FEATURE_lowWaterSensor = select_one() [L292] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L292] RET, EXPR select_one() [L292] __SELECTED_FEATURE_methaneQuery = select_one() [L293] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L293] RET, EXPR select_one() [L293] __SELECTED_FEATURE_methaneAlarm = select_one() [L294] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L294] RET, EXPR select_one() [L294] __SELECTED_FEATURE_stopCommand = select_one() [L295] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L295] RET, EXPR select_one() [L295] __SELECTED_FEATURE_startCommand = select_one() [L256] RET select_features() [L257] CALL, EXPR valid_product() [L309] int retValue_acc ; [L312] retValue_acc = __SELECTED_FEATURE_base [L313] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L240] CALL __utac_acc__Specification5_spec__1() [L1116] switchedOnBeforeTS = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L240] RET __utac_acc__Specification5_spec__1() [L241] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [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 FALSE !(\read(tmp___2)) [L745] tmp___1 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___1)) [L760] CALL timeShift() [L785] CALL __utac_acc__Specification5_spec__2() [L1125] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1125] RET, EXPR isPumpRunning() [L1125] switchedOnBeforeTS = isPumpRunning() [L785] RET __utac_acc__Specification5_spec__2() [L787] COND FALSE !(\read(pumpRunning)) [L794] COND TRUE \read(systemActive) [L796] CALL processEnvironment() [L930] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L937] CALL processEnvironment__before__methaneAlarm() [L887] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L894] CALL processEnvironment__before__lowWaterSensor() [L844] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L851] FCALL processEnvironment__before__highWaterSensor() [L894] RET processEnvironment__before__lowWaterSensor() [L937] RET processEnvironment__before__methaneAlarm() [L796] RET processEnvironment() [L802] CALL __utac_acc__Specification5_spec__3() [L1131] int tmp ; [L1132] int tmp___0 ; [L1136] CALL, EXPR getWaterLevel() [L137] int retValue_acc ; [L140] retValue_acc = waterLevel [L141] return (retValue_acc); [L1136] RET, EXPR getWaterLevel() [L1136] tmp = getWaterLevel() [L1138] COND TRUE tmp != 2 [L1140] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1140] RET, EXPR isPumpRunning() [L1140] tmp___0 = isPumpRunning() [L1142] COND FALSE !(\read(tmp___0)) [L802] RET __utac_acc__Specification5_spec__3() [L760] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 707]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L66] int waterLevel = 1; [L67] int methaneLevelCritical = 0; [L169] int cleanupTimeShifts = 4; [L496] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L1111] int switchedOnBeforeTS ; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L250] int retValue_acc ; [L251] int tmp ; [L255] CALL select_helpers() [L304] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L255] RET select_helpers() [L256] CALL select_features() [L289] __SELECTED_FEATURE_base = 1 [L290] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L290] RET, EXPR select_one() [L290] __SELECTED_FEATURE_highWaterSensor = select_one() [L291] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L291] RET, EXPR select_one() [L291] __SELECTED_FEATURE_lowWaterSensor = select_one() [L292] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L292] RET, EXPR select_one() [L292] __SELECTED_FEATURE_methaneQuery = select_one() [L293] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L293] RET, EXPR select_one() [L293] __SELECTED_FEATURE_methaneAlarm = select_one() [L294] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L294] RET, EXPR select_one() [L294] __SELECTED_FEATURE_stopCommand = select_one() [L295] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L295] RET, EXPR select_one() [L295] __SELECTED_FEATURE_startCommand = select_one() [L256] RET select_features() [L257] CALL, EXPR valid_product() [L309] int retValue_acc ; [L312] retValue_acc = __SELECTED_FEATURE_base [L313] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L240] CALL __utac_acc__Specification5_spec__1() [L1116] switchedOnBeforeTS = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L240] RET __utac_acc__Specification5_spec__1() [L241] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [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 FALSE !(\read(tmp___2)) [L745] tmp___1 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___1)) [L760] CALL timeShift() [L785] CALL __utac_acc__Specification5_spec__2() [L1125] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1125] RET, EXPR isPumpRunning() [L1125] switchedOnBeforeTS = isPumpRunning() [L785] RET __utac_acc__Specification5_spec__2() [L787] COND FALSE !(\read(pumpRunning)) [L794] COND TRUE \read(systemActive) [L796] CALL processEnvironment() [L930] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L937] CALL processEnvironment__before__methaneAlarm() [L887] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L894] CALL processEnvironment__before__lowWaterSensor() [L844] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L851] FCALL processEnvironment__before__highWaterSensor() [L894] RET processEnvironment__before__lowWaterSensor() [L937] RET processEnvironment__before__methaneAlarm() [L796] RET processEnvironment() [L802] CALL __utac_acc__Specification5_spec__3() [L1131] int tmp ; [L1132] int tmp___0 ; [L1136] CALL, EXPR getWaterLevel() [L137] int retValue_acc ; [L140] retValue_acc = waterLevel [L141] return (retValue_acc); [L1136] RET, EXPR getWaterLevel() [L1136] tmp = getWaterLevel() [L1138] COND TRUE tmp != 2 [L1140] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1140] RET, EXPR isPumpRunning() [L1140] tmp___0 = isPumpRunning() [L1142] COND FALSE !(\read(tmp___0)) [L802] RET __utac_acc__Specification5_spec__3() [L760] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:48:43,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)