./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product24.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_product24.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 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:45:57,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:45:57,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:45:57,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:45:57,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:45:57,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:45:57,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:45:57,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:45:57,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:45:57,785 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:45:57,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:45:57,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:45:57,785 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:45:57,785 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:45:57,785 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:45:57,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:45:57,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:45:57,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:45:57,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:45:57,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:45:57,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:45:57,788 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:45:57,788 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 -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 [2025-01-10 07:45:58,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:45:58,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:45:58,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:45:58,204 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:45:58,204 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:45:58,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2025-01-10 07:45:59,476 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6378a66ba/2682b4baae2f410bb546e7106572ba44/FLAGadf10d3c1 [2025-01-10 07:45:59,899 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:45:59,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2025-01-10 07:45:59,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6378a66ba/2682b4baae2f410bb546e7106572ba44/FLAGadf10d3c1 [2025-01-10 07:46:00,074 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6378a66ba/2682b4baae2f410bb546e7106572ba44 [2025-01-10 07:46:00,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:46:00,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:46:00,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:46:00,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:46:00,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:46:00,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76013f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00, skipping insertion in model container [2025-01-10 07:46:00,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:46:00,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:46:00,394 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:46:00,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-01-10 07:46:00,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] [2025-01-10 07:46:00,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] [2025-01-10 07:46:00,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] [2025-01-10 07:46:00,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] [2025-01-10 07:46:00,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] [2025-01-10 07:46:00,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] [2025-01-10 07:46:00,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] [2025-01-10 07:46:00,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:46:00,471 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:46:00,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00 WrapperNode [2025-01-10 07:46:00,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:46:00,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:46:00,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:46:00,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:46:00,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,519 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 84, statements flattened = 527 [2025-01-10 07:46:00,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:46:00,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:46:00,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:46:00,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:46:00,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,549 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 07:46:00,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:46:00,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:46:00,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:46:00,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:46:00,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (1/1) ... [2025-01-10 07:46:00,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:46:00,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:46:00,605 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 07:46:00,607 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 07:46:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:46:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:46:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:46:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:46:00,680 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:46:00,682 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:46:01,029 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-01-10 07:46:01,031 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:46:01,041 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:46:01,042 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:46:01,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:46:01 BoogieIcfgContainer [2025-01-10 07:46:01,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:46:01,043 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:46:01,043 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:46:01,048 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:46:01,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:46:01,049 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:46:00" (1/3) ... [2025-01-10 07:46:01,050 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c99efb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:46:01, skipping insertion in model container [2025-01-10 07:46:01,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:46:01,051 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:46:00" (2/3) ... [2025-01-10 07:46:01,052 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c99efb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:46:01, skipping insertion in model container [2025-01-10 07:46:01,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:46:01,052 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:46:01" (3/3) ... [2025-01-10 07:46:01,052 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2025-01-10 07:46:01,098 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:46:01,099 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:46:01,099 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:46:01,099 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:46:01,099 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:46:01,099 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:46:01,099 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:46:01,100 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:46:01,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 160 states, 159 states have (on average 1.3396226415094339) internal successors, (213), 159 states have internal predecessors, (213), 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 07:46:01,121 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2025-01-10 07:46:01,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:46:01,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:46:01,127 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:01,127 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:01,128 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:46:01,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 160 states, 159 states have (on average 1.3396226415094339) internal successors, (213), 159 states have internal predecessors, (213), 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 07:46:01,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2025-01-10 07:46:01,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:46:01,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:46:01,139 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:01,139 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:01,143 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#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~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#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~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:46:01,144 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#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 07:46:01,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:01,147 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2025-01-10 07:46:01,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:01,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004214595] [2025-01-10 07:46:01,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:01,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:01,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:46:01,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:46:01,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:01,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:01,224 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:01,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:46:01,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:46:01,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:01,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:01,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:01,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:01,258 INFO L85 PathProgramCache]: Analyzing trace with hash -841967787, now seen corresponding path program 1 times [2025-01-10 07:46:01,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:01,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836211645] [2025-01-10 07:46:01,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:01,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:01,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 07:46:01,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 07:46:01,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:01,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:46:01,335 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 07:46:01,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:46:01,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836211645] [2025-01-10 07:46:01,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836211645] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:46:01,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:46:01,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:46:01,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246144463] [2025-01-10 07:46:01,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:46:01,342 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:46:01,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:46:01,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:46:01,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:46:01,364 INFO L87 Difference]: Start difference. First operand has 160 states, 159 states have (on average 1.3396226415094339) internal successors, (213), 159 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:46:01,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:46:01,437 INFO L93 Difference]: Finished difference Result 298 states and 390 transitions. [2025-01-10 07:46:01,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 298 states and 390 transitions. [2025-01-10 07:46:01,447 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2025-01-10 07:46:01,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 298 states to 278 states and 369 transitions. [2025-01-10 07:46:01,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 278 [2025-01-10 07:46:01,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 278 [2025-01-10 07:46:01,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 278 states and 369 transitions. [2025-01-10 07:46:01,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:46:01,461 INFO L218 hiAutomatonCegarLoop]: Abstraction has 278 states and 369 transitions. [2025-01-10 07:46:01,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states and 369 transitions. [2025-01-10 07:46:01,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 275. [2025-01-10 07:46:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 275 states have (on average 1.3272727272727274) internal successors, (365), 274 states have internal predecessors, (365), 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 07:46:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 365 transitions. [2025-01-10 07:46:01,501 INFO L240 hiAutomatonCegarLoop]: Abstraction has 275 states and 365 transitions. [2025-01-10 07:46:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:46:01,507 INFO L432 stractBuchiCegarLoop]: Abstraction has 275 states and 365 transitions. [2025-01-10 07:46:01,508 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:46:01,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 275 states and 365 transitions. [2025-01-10 07:46:01,510 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2025-01-10 07:46:01,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:46:01,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:46:01,513 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:01,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:46:01,513 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#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~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#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~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:46:01,513 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret4#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret4#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret5#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~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#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 07:46:01,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:01,514 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2025-01-10 07:46:01,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:01,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296542679] [2025-01-10 07:46:01,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:46:01,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:01,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:46:01,525 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:46:01,528 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:46:01,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:01,529 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:01,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:46:01,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:46:01,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:01,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:01,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:01,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:01,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2072662886, now seen corresponding path program 1 times [2025-01-10 07:46:01,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:01,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578566245] [2025-01-10 07:46:01,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:01,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:01,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 07:46:01,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 07:46:01,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:01,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:01,564 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:01,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 07:46:01,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 07:46:01,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:01,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:01,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:01,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:46:01,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1671285789, now seen corresponding path program 1 times [2025-01-10 07:46:01,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:46:01,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732024758] [2025-01-10 07:46:01,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:46:01,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:46:01,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 07:46:01,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 07:46:01,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:01,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:01,605 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:01,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 07:46:01,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 07:46:01,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:01,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:01,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:46:02,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:46:02,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:46:02,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:02,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:02,994 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:46:02,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:46:03,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:46:03,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:46:03,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:46:03,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:46:03 BoogieIcfgContainer [2025-01-10 07:46:03,076 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:46:03,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:46:03,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:46:03,081 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:46:03,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:46:01" (3/4) ... [2025-01-10 07:46:03,083 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:46:03,166 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:46:03,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:46:03,171 INFO L158 Benchmark]: Toolchain (without parser) took 3086.37ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 98.9MB in the end (delta: 4.9MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2025-01-10 07:46:03,171 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:46:03,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.83ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 85.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:46:03,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.05ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 82.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:46:03,172 INFO L158 Benchmark]: Boogie Preprocessor took 54.51ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 80.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:46:03,175 INFO L158 Benchmark]: RCFGBuilder took 467.89ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 54.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-10 07:46:03,175 INFO L158 Benchmark]: BuchiAutomizer took 2032.86ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 103.0MB in the end (delta: -48.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:46:03,175 INFO L158 Benchmark]: Witness Printer took 85.62ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 98.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:46:03,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.83ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 85.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.05ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 82.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.51ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 80.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.89ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 54.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2032.86ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 103.0MB in the end (delta: -48.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.62ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 98.9MB in the end (delta: 4.2MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 262]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [262] - GenericResultAtLocation [Line: 334]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [334] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [700] - GenericResultAtLocation [Line: 738]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [738] - GenericResultAtLocation [Line: 836]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [836] - GenericResultAtLocation [Line: 876]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [876] - GenericResultAtLocation [Line: 885]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [885] * 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 3 locations. The remainder module has 275 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 192 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 192 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 210 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 278]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L504] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int cleanupTimeShifts = 4; [L838] int methAndRunningLastTime ; [L887] int waterLevel = 1; [L888] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] int retValue_acc ; [L815] int tmp ; [L819] FCALL select_helpers() [L820] FCALL select_features() [L821] CALL, EXPR valid_product() [L730] int retValue_acc ; [L733] retValue_acc = 1 [L734] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] RET, EXPR valid_product() [L821] tmp = valid_product() [L823] COND TRUE \read(tmp) [L825] FCALL setup() [L826] CALL runTest() [L807] CALL __utac_acc__Specification2_spec__1() [L843] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L807] RET __utac_acc__Specification2_spec__1() [L808] CALL test() [L267] int splverifierCounter ; [L268] int tmp ; [L269] int tmp___0 ; [L270] int tmp___1 ; [L271] int tmp___2 ; [L274] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L278] COND TRUE splverifierCounter < 4 [L284] tmp = __VERIFIER_nondet_int() [L286] COND FALSE !(\read(tmp)) [L294] tmp___0 = __VERIFIER_nondet_int() [L296] COND FALSE !(\read(tmp___0)) [L304] tmp___2 = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp___2) [L308] CALL startSystem() [L258] systemActive = 1 [L308] RET startSystem() [L323] CALL timeShift() [L69] COND FALSE !(\read(pumpRunning)) [L76] COND TRUE \read(systemActive) [L78] CALL processEnvironment() [L124] int tmp ; [L127] COND FALSE !(\read(pumpRunning)) [L142] CALL processEnvironment__wrappee__lowWaterSensor() [L98] int tmp ; [L101] COND FALSE !(\read(pumpRunning)) [L116] FCALL processEnvironment__wrappee__base() [L142] RET processEnvironment__wrappee__lowWaterSensor() [L78] RET processEnvironment() [L84] CALL __utac_acc__Specification2_spec__2() [L848] int tmp ; [L849] int tmp___0 ; [L853] CALL, EXPR isMethaneLevelCritical() [L926] int retValue_acc ; [L929] retValue_acc = methaneLevelCritical [L930] return (retValue_acc); [L853] RET, EXPR isMethaneLevelCritical() [L853] tmp = isMethaneLevelCritical() [L855] COND FALSE !(\read(tmp)) [L871] methAndRunningLastTime = 0 [L84] RET __utac_acc__Specification2_spec__2() [L323] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 278]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L504] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int cleanupTimeShifts = 4; [L838] int methAndRunningLastTime ; [L887] int waterLevel = 1; [L888] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] int retValue_acc ; [L815] int tmp ; [L819] FCALL select_helpers() [L820] FCALL select_features() [L821] CALL, EXPR valid_product() [L730] int retValue_acc ; [L733] retValue_acc = 1 [L734] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] RET, EXPR valid_product() [L821] tmp = valid_product() [L823] COND TRUE \read(tmp) [L825] FCALL setup() [L826] CALL runTest() [L807] CALL __utac_acc__Specification2_spec__1() [L843] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L807] RET __utac_acc__Specification2_spec__1() [L808] CALL test() [L267] int splverifierCounter ; [L268] int tmp ; [L269] int tmp___0 ; [L270] int tmp___1 ; [L271] int tmp___2 ; [L274] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L278] COND TRUE splverifierCounter < 4 [L284] tmp = __VERIFIER_nondet_int() [L286] COND FALSE !(\read(tmp)) [L294] tmp___0 = __VERIFIER_nondet_int() [L296] COND FALSE !(\read(tmp___0)) [L304] tmp___2 = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp___2) [L308] CALL startSystem() [L258] systemActive = 1 [L308] RET startSystem() [L323] CALL timeShift() [L69] COND FALSE !(\read(pumpRunning)) [L76] COND TRUE \read(systemActive) [L78] CALL processEnvironment() [L124] int tmp ; [L127] COND FALSE !(\read(pumpRunning)) [L142] CALL processEnvironment__wrappee__lowWaterSensor() [L98] int tmp ; [L101] COND FALSE !(\read(pumpRunning)) [L116] FCALL processEnvironment__wrappee__base() [L142] RET processEnvironment__wrappee__lowWaterSensor() [L78] RET processEnvironment() [L84] CALL __utac_acc__Specification2_spec__2() [L848] int tmp ; [L849] int tmp___0 ; [L853] CALL, EXPR isMethaneLevelCritical() [L926] int retValue_acc ; [L929] retValue_acc = methaneLevelCritical [L930] return (retValue_acc); [L853] RET, EXPR isMethaneLevelCritical() [L853] tmp = isMethaneLevelCritical() [L855] COND FALSE !(\read(tmp)) [L871] methAndRunningLastTime = 0 [L84] RET __utac_acc__Specification2_spec__2() [L323] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:46:03,213 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)