./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product25.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_spec1_product25.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 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:45:11,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:45:11,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:45:11,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:45:11,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:45:11,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:45:11,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:45:11,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:45:11,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:45:11,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:45:11,253 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:45:11,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:45:11,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:45:11,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:45:11,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:45:11,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:45:11,255 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:45:11,255 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 -> 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 [2025-01-10 07:45:11,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:45:11,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:45:11,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:45:11,499 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:45:11,500 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:45:11,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2025-01-10 07:45:12,925 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/360a1c97e/ec80945c555a44f780d46d9bd143b295/FLAG70726a509 [2025-01-10 07:45:13,189 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:45:13,189 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2025-01-10 07:45:13,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/360a1c97e/ec80945c555a44f780d46d9bd143b295/FLAG70726a509 [2025-01-10 07:45:13,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/360a1c97e/ec80945c555a44f780d46d9bd143b295 [2025-01-10 07:45:13,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:45:13,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:45:13,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:45:13,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:45:13,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:45:13,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b54ee32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13, skipping insertion in model container [2025-01-10 07:45:13,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:45:13,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:45:13,442 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:45:13,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-01-10 07:45:13,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [145] [2025-01-10 07:45:13,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [183] [2025-01-10 07:45:13,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] [2025-01-10 07:45:13,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [220] [2025-01-10 07:45:13,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [394] [2025-01-10 07:45:13,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [460] [2025-01-10 07:45:13,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [556] [2025-01-10 07:45:13,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:45:13,516 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:45:13,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13 WrapperNode [2025-01-10 07:45:13,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:45:13,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:45:13,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:45:13,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:45:13,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,556 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 50, statements flattened = 321 [2025-01-10 07:45:13,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:45:13,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:45:13,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:45:13,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:45:13,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,587 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 07:45:13,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:45:13,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:45:13,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:45:13,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:45:13,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (1/1) ... [2025-01-10 07:45:13,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:45:13,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:45:13,629 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 07:45:13,630 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 07:45:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:45:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:45:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:45:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:45:13,690 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:45:13,692 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:45:13,859 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2025-01-10 07:45:13,860 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:45:13,867 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:45:13,867 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:45:13,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:13 BoogieIcfgContainer [2025-01-10 07:45:13,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:45:13,868 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:45:13,868 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:45:13,871 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:45:13,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:13,872 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:45:13" (1/3) ... [2025-01-10 07:45:13,873 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24bae19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:45:13, skipping insertion in model container [2025-01-10 07:45:13,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:13,873 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:13" (2/3) ... [2025-01-10 07:45:13,873 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24bae19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:45:13, skipping insertion in model container [2025-01-10 07:45:13,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:13,873 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:13" (3/3) ... [2025-01-10 07:45:13,874 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2025-01-10 07:45:13,910 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:45:13,911 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:45:13,911 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:45:13,911 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:45:13,911 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:45:13,911 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:45:13,911 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:45:13,911 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:45:13,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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 07:45:13,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-01-10 07:45:13,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:13,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:13,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:13,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:13,929 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:45:13,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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 07:45:13,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-01-10 07:45:13,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:13,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:13,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:13,933 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:13,936 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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:45:13,937 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet24#1;test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:45:13,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:13,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2025-01-10 07:45:13,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:13,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113489933] [2025-01-10 07:45:13,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:13,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:13,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:13,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:13,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:13,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:13,999 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:14,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:14,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:14,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:14,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:14,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1769182996, now seen corresponding path program 1 times [2025-01-10 07:45:14,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:14,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853845498] [2025-01-10 07:45:14,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:14,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:14,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 07:45:14,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 07:45:14,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,040 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:14,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 07:45:14,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 07:45:14,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:14,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:14,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1812906192, now seen corresponding path program 1 times [2025-01-10 07:45:14,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:14,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70866506] [2025-01-10 07:45:14,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:14,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 07:45:14,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 07:45:14,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:45:14,175 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 07:45:14,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:45:14,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70866506] [2025-01-10 07:45:14,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70866506] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:45:14,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:45:14,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 07:45:14,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944915068] [2025-01-10 07:45:14,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:45:14,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:45:14,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 07:45:14,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 07:45:14,248 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 07:45:14,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:45:14,322 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2025-01-10 07:45:14,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 122 transitions. [2025-01-10 07:45:14,329 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2025-01-10 07:45:14,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 87 states and 112 transitions. [2025-01-10 07:45:14,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2025-01-10 07:45:14,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2025-01-10 07:45:14,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 112 transitions. [2025-01-10 07:45:14,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:45:14,338 INFO L218 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-01-10 07:45:14,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 112 transitions. [2025-01-10 07:45:14,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-01-10 07:45:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 86 states have internal predecessors, (112), 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 07:45:14,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2025-01-10 07:45:14,361 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-01-10 07:45:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 07:45:14,364 INFO L432 stractBuchiCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-01-10 07:45:14,365 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:45:14,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 112 transitions. [2025-01-10 07:45:14,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2025-01-10 07:45:14,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:14,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:14,369 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:14,369 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 07:45:14,369 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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:45:14,370 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet24#1;test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:45:14,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:14,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2025-01-10 07:45:14,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:14,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817360054] [2025-01-10 07:45:14,370 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:45:14,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:14,378 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:14,391 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:14,392 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:45:14,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,392 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:14,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:14,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:14,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:14,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:14,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1233060047, now seen corresponding path program 1 times [2025-01-10 07:45:14,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:14,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63500294] [2025-01-10 07:45:14,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:14,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:14,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:45:14,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:45:14,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,409 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:14,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:45:14,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:45:14,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:14,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:14,413 INFO L85 PathProgramCache]: Analyzing trace with hash -50418699, now seen corresponding path program 1 times [2025-01-10 07:45:14,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:14,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995828864] [2025-01-10 07:45:14,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:14,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:14,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 07:45:14,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 07:45:14,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,422 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:14,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 07:45:14,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 07:45:14,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:14,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:14,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:15,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:15,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:15,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:15,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:15,020 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:15,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:15,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:15,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:15,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:15,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:45:15 BoogieIcfgContainer [2025-01-10 07:45:15,053 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:45:15,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:45:15,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:45:15,054 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:45:15,054 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:13" (3/4) ... [2025-01-10 07:45:15,055 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:45:15,081 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:45:15,084 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:45:15,085 INFO L158 Benchmark]: Toolchain (without parser) took 1873.76ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 50.3MB in the end (delta: 63.6MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2025-01-10 07:45:15,085 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:45:15,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.51ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 95.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:45:15,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.12ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 93.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:45:15,085 INFO L158 Benchmark]: Boogie Preprocessor took 47.12ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:45:15,086 INFO L158 Benchmark]: RCFGBuilder took 261.55ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 72.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:45:15,086 INFO L158 Benchmark]: BuchiAutomizer took 1185.25ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 54.1MB in the end (delta: 18.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2025-01-10 07:45:15,086 INFO L158 Benchmark]: Witness Printer took 30.81ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 50.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:45:15,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.51ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 95.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.12ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 93.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.12ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 261.55ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 72.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1185.25ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 54.1MB in the end (delta: 18.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 30.81ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 50.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [145] - GenericResultAtLocation [Line: 183]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [183] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [220] - GenericResultAtLocation [Line: 394]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [394] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [460] - GenericResultAtLocation [Line: 556]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [556] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 87 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 346 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 229 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 117 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 408]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L225] int pumpRunning = 0; [L226] int systemActive = 1; [L461] int cleanupTimeShifts = 4; [L726] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L175] int retValue_acc ; [L178] retValue_acc = 1 [L179] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L528] CALL test() [L397] int splverifierCounter ; [L398] int tmp ; [L399] int tmp___0 ; [L400] int tmp___1 ; [L401] int tmp___2 ; [L404] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L408] COND TRUE splverifierCounter < 4 [L414] tmp = __VERIFIER_nondet_int() [L416] COND FALSE !(\read(tmp)) [L424] tmp___0 = __VERIFIER_nondet_int() [L426] COND FALSE !(\read(tmp___0)) [L434] tmp___2 = __VERIFIER_nondet_int() [L436] COND TRUE \read(tmp___2) [L449] CALL timeShift() [L232] COND FALSE !(\read(pumpRunning)) [L239] COND TRUE \read(systemActive) [L241] CALL processEnvironment() [L261] int tmp ; [L264] COND FALSE !(\read(pumpRunning)) [L279] FCALL processEnvironment__wrappee__base() [L241] RET processEnvironment() [L247] CALL __utac_acc__Specification1_spec__1() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L192] RET, EXPR isMethaneLevelCritical() [L192] tmp = isMethaneLevelCritical() [L194] COND FALSE !(\read(tmp)) [L247] RET __utac_acc__Specification1_spec__1() [L449] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 408]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L225] int pumpRunning = 0; [L226] int systemActive = 1; [L461] int cleanupTimeShifts = 4; [L726] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L175] int retValue_acc ; [L178] retValue_acc = 1 [L179] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L528] CALL test() [L397] int splverifierCounter ; [L398] int tmp ; [L399] int tmp___0 ; [L400] int tmp___1 ; [L401] int tmp___2 ; [L404] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L408] COND TRUE splverifierCounter < 4 [L414] tmp = __VERIFIER_nondet_int() [L416] COND FALSE !(\read(tmp)) [L424] tmp___0 = __VERIFIER_nondet_int() [L426] COND FALSE !(\read(tmp___0)) [L434] tmp___2 = __VERIFIER_nondet_int() [L436] COND TRUE \read(tmp___2) [L449] CALL timeShift() [L232] COND FALSE !(\read(pumpRunning)) [L239] COND TRUE \read(systemActive) [L241] CALL processEnvironment() [L261] int tmp ; [L264] COND FALSE !(\read(pumpRunning)) [L279] FCALL processEnvironment__wrappee__base() [L241] RET processEnvironment() [L247] CALL __utac_acc__Specification1_spec__1() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L192] RET, EXPR isMethaneLevelCritical() [L192] tmp = isMethaneLevelCritical() [L194] COND FALSE !(\read(tmp)) [L247] RET __utac_acc__Specification1_spec__1() [L449] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:45:15,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)