./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_spec2_product17.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 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:45:51,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:45:51,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:45:51,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:45:51,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:45:51,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:45:51,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:45:51,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:45:51,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:45:51,850 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:45:51,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:45:51,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:45:51,851 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:45:51,851 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:45:51,851 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:45:51,851 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:45:51,851 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:45:51,851 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:45:51,851 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:45:51,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:45:51,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:45:51,852 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:45:51,853 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:45:51,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:45:51,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:45:51,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:45:51,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:45:51,853 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:45:51,853 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 -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2025-01-10 07:45:52,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:45:52,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:45:52,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:45:52,088 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:45:52,089 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:45:52,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2025-01-10 07:45:53,325 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ff9b9536/6efbbd85b6534dbbbf4b49efc3e7f1cb/FLAG1cf868b84 [2025-01-10 07:45:53,595 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:45:53,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2025-01-10 07:45:53,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ff9b9536/6efbbd85b6534dbbbf4b49efc3e7f1cb/FLAG1cf868b84 [2025-01-10 07:45:53,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ff9b9536/6efbbd85b6534dbbbf4b49efc3e7f1cb [2025-01-10 07:45:53,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:45:53,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:45:53,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:45:53,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:45:53,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:45:53,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736f61e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53, skipping insertion in model container [2025-01-10 07:45:53,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:45:53,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:45:53,829 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:45:53,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-01-10 07:45:53,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [145] [2025-01-10 07:45:53,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [212] [2025-01-10 07:45:53,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [369] [2025-01-10 07:45:53,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [407] [2025-01-10 07:45:53,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [416] [2025-01-10 07:45:53,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [782] [2025-01-10 07:45:53,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [821] [2025-01-10 07:45:53,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:45:53,893 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:45:53,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53 WrapperNode [2025-01-10 07:45:53,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:45:53,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:45:53,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:45:53,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:45:53,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,922 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 51, statements flattened = 337 [2025-01-10 07:45:53,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:45:53,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:45:53,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:45:53,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:45:53,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,932 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,947 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 07:45:53,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,950 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:45:53,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:45:53,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:45:53,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:45:53,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (1/1) ... [2025-01-10 07:45:53,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:45:53,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:45:54,008 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 07:45:54,011 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 07:45:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:45:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:45:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:45:54,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:45:54,100 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:45:54,102 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:45:54,349 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2025-01-10 07:45:54,349 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:45:54,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:45:54,364 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:45:54,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:54 BoogieIcfgContainer [2025-01-10 07:45:54,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:45:54,366 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:45:54,366 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:45:54,371 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:45:54,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:54,372 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:45:53" (1/3) ... [2025-01-10 07:45:54,373 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53605b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:45:54, skipping insertion in model container [2025-01-10 07:45:54,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:54,374 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:53" (2/3) ... [2025-01-10 07:45:54,374 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53605b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:45:54, skipping insertion in model container [2025-01-10 07:45:54,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:54,375 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:54" (3/3) ... [2025-01-10 07:45:54,376 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2025-01-10 07:45:54,423 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:45:54,424 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:45:54,424 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:45:54,424 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:45:54,424 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:45:54,424 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:45:54,424 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:45:54,425 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:45:54,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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 07:45:54,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2025-01-10 07:45:54,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:54,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:54,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:54,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:54,452 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:45:54,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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 07:45:54,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2025-01-10 07:45:54,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:54,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:54,460 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:54,460 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:54,466 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;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#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 07:45:54,467 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#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__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#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__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:45:54,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:54,471 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2025-01-10 07:45:54,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:54,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304126862] [2025-01-10 07:45:54,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:54,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:54,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:45:54,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:45:54,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:54,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:54,552 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:54,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:45:54,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:45:54,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:54,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:54,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:54,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:54,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1162491036, now seen corresponding path program 1 times [2025-01-10 07:45:54,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:54,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302456934] [2025-01-10 07:45:54,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:54,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:54,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 07:45:54,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 07:45:54,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:54,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:54,597 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:54,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 07:45:54,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 07:45:54,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:54,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:54,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:54,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:54,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1018708627, now seen corresponding path program 1 times [2025-01-10 07:45:54,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567623275] [2025-01-10 07:45:54,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:54,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 07:45:54,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 07:45:54,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:54,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:45:54,790 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 07:45:54,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:45:54,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567623275] [2025-01-10 07:45:54,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567623275] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:45:54,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:45:54,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 07:45:54,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134580648] [2025-01-10 07:45:54,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:45:54,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:45:54,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 07:45:54,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 07:45:54,906 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 07:45:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:45:54,971 INFO L93 Difference]: Finished difference Result 101 states and 129 transitions. [2025-01-10 07:45:54,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 129 transitions. [2025-01-10 07:45:54,973 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2025-01-10 07:45:54,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 119 transitions. [2025-01-10 07:45:54,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2025-01-10 07:45:54,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2025-01-10 07:45:54,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 119 transitions. [2025-01-10 07:45:54,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:45:54,984 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2025-01-10 07:45:54,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 119 transitions. [2025-01-10 07:45:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-01-10 07:45:55,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 90 states have internal predecessors, (119), 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 07:45:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2025-01-10 07:45:55,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2025-01-10 07:45:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 07:45:55,013 INFO L432 stractBuchiCegarLoop]: Abstraction has 91 states and 119 transitions. [2025-01-10 07:45:55,014 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:45:55,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 119 transitions. [2025-01-10 07:45:55,018 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2025-01-10 07:45:55,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:55,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:55,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:55,019 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 07:45:55,019 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;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#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 07:45:55,020 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#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~ret13#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~ret13#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#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__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:45:55,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:55,020 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2025-01-10 07:45:55,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:55,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481560194] [2025-01-10 07:45:55,020 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:45:55,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:55,026 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:45:55,034 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:45:55,038 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:45:55,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:55,038 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:55,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:45:55,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:45:55,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:55,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:55,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:55,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:55,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2146621623, now seen corresponding path program 1 times [2025-01-10 07:45:55,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:55,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998185862] [2025-01-10 07:45:55,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:55,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:55,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:45:55,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:45:55,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:55,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:55,065 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:55,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:45:55,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:45:55,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:55,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:55,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:55,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:55,073 INFO L85 PathProgramCache]: Analyzing trace with hash 807269216, now seen corresponding path program 1 times [2025-01-10 07:45:55,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:55,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340098748] [2025-01-10 07:45:55,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:55,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:55,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 07:45:55,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 07:45:55,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:55,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:55,089 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:55,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 07:45:55,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 07:45:55,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:55,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:55,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:55,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:45:55,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:45:55,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:55,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:55,827 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:55,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:45:55,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:45:55,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:55,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:55,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:45:55 BoogieIcfgContainer [2025-01-10 07:45:55,875 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:45:55,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:45:55,875 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:45:55,875 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:45:55,876 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:54" (3/4) ... [2025-01-10 07:45:55,876 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:45:55,928 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:45:55,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:45:55,929 INFO L158 Benchmark]: Toolchain (without parser) took 2314.25ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 109.8MB in the end (delta: 2.9MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2025-01-10 07:45:55,929 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:45:55,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.44ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 94.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:45:55,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.75ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:45:55,929 INFO L158 Benchmark]: Boogie Preprocessor took 44.97ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:45:55,929 INFO L158 Benchmark]: RCFGBuilder took 396.08ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 71.2MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:45:55,930 INFO L158 Benchmark]: BuchiAutomizer took 1508.72ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 46.5MB in the end (delta: 24.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2025-01-10 07:45:55,930 INFO L158 Benchmark]: Witness Printer took 53.15ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 109.8MB in the end (delta: -63.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:45:55,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.44ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 94.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.75ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.97ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 396.08ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 71.2MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1508.72ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 46.5MB in the end (delta: 24.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Witness Printer took 53.15ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 109.8MB in the end (delta: -63.3MB). 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: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [145] - GenericResultAtLocation [Line: 212]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [212] - GenericResultAtLocation [Line: 369]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [369] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [407] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [416] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [782] - GenericResultAtLocation [Line: 821]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [821] * 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 91 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 242 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 242 mSDsluCounter, 367 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 243 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 124 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: 160]: 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; [L217] int pumpRunning = 0; [L218] int systemActive = 1; [L586] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int methAndRunningLastTime ; [L822] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int retValue_acc ; [L897] int tmp ; [L901] FCALL select_helpers() [L902] FCALL select_features() [L903] CALL, EXPR valid_product() [L399] int retValue_acc ; [L402] retValue_acc = 1 [L403] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] RET, EXPR valid_product() [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L907] FCALL setup() [L908] CALL runTest() [L889] CALL __utac_acc__Specification2_spec__1() [L788] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] RET __utac_acc__Specification2_spec__1() [L890] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L201] CALL timeShift() [L225] COND FALSE !(\read(pumpRunning)) [L232] COND TRUE \read(systemActive) [L234] CALL processEnvironment() [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L272] FCALL processEnvironment__wrappee__base() [L234] RET processEnvironment() [L240] CALL __utac_acc__Specification2_spec__2() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L798] RET, EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 [L240] RET __utac_acc__Specification2_spec__2() [L201] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 160]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L217] int pumpRunning = 0; [L218] int systemActive = 1; [L586] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int methAndRunningLastTime ; [L822] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int retValue_acc ; [L897] int tmp ; [L901] FCALL select_helpers() [L902] FCALL select_features() [L903] CALL, EXPR valid_product() [L399] int retValue_acc ; [L402] retValue_acc = 1 [L403] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] RET, EXPR valid_product() [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L907] FCALL setup() [L908] CALL runTest() [L889] CALL __utac_acc__Specification2_spec__1() [L788] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] RET __utac_acc__Specification2_spec__1() [L890] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L201] CALL timeShift() [L225] COND FALSE !(\read(pumpRunning)) [L232] COND TRUE \read(systemActive) [L234] CALL processEnvironment() [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L272] FCALL processEnvironment__wrappee__base() [L234] RET processEnvironment() [L240] CALL __utac_acc__Specification2_spec__2() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L798] RET, EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 [L240] RET __utac_acc__Specification2_spec__2() [L201] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:45:55,950 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)