./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 20:33:37,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 20:33:37,107 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-17 20:33:37,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 20:33:37,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 20:33:37,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-17 20:33:37,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 20:33:37,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 20:33:37,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 20:33:37,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 20:33:37,137 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 20:33:37,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 20:33:37,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 20:33:37,137 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 20:33:37,138 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-17 20:33:37,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 20:33:37,138 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 20:33:37,139 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 20:33:37,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 20:33:37,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 20:33:37,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 20:33:37,139 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-17 20:33:37,139 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/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 -> 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 [2025-03-17 20:33:37,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 20:33:37,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 20:33:37,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 20:33:37,402 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 20:33:37,402 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 20:33:37,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2025-03-17 20:33:38,613 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de912d018/78d0a02f319d4979bd7b68173b108ba9/FLAG87d63a21e [2025-03-17 20:33:38,870 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 20:33:38,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2025-03-17 20:33:38,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de912d018/78d0a02f319d4979bd7b68173b108ba9/FLAG87d63a21e [2025-03-17 20:33:39,159 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de912d018/78d0a02f319d4979bd7b68173b108ba9 [2025-03-17 20:33:39,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 20:33:39,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 20:33:39,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 20:33:39,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 20:33:39,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 20:33:39,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab4f103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39, skipping insertion in model container [2025-03-17 20:33:39,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 20:33:39,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:33:39,434 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 20:33:39,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2025-03-17 20:33:39,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2025-03-17 20:33:39,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] [2025-03-17 20:33:39,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [606] [2025-03-17 20:33:39,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] [2025-03-17 20:33:39,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [991] [2025-03-17 20:33:39,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1027] [2025-03-17 20:33:39,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [1036] [2025-03-17 20:33:39,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:33:39,515 INFO L204 MainTranslator]: Completed translation [2025-03-17 20:33:39,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39 WrapperNode [2025-03-17 20:33:39,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 20:33:39,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 20:33:39,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 20:33:39,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 20:33:39,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,616 INFO L138 Inliner]: procedures = 63, calls = 123, calls flagged for inlining = 76, calls inlined = 455, statements flattened = 2716 [2025-03-17 20:33:39,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 20:33:39,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 20:33:39,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 20:33:39,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 20:33:39,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,677 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]. [2025-03-17 20:33:39,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,705 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 20:33:39,729 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 20:33:39,729 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 20:33:39,729 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 20:33:39,730 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (1/1) ... [2025-03-17 20:33:39,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:33:39,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:33:39,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:33:39,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-17 20:33:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 20:33:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 20:33:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 20:33:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 20:33:39,877 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 20:33:39,879 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,048 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-25: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-27: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-29: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-31: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-33: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-35: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-37: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-39: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-41: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-43: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-45: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-47: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-49: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,049 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-51: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-53: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-31: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-33: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-35: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-37: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-39: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-41: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-43: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-45: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-47: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-49: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-51: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-53: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-55: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-57: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-59: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-03-17 20:33:41,050 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L846-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L846-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L846-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L516-1: main_#res#1 := main_~retValue_acc~3#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1113-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1113-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1113-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-13: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-15: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L920-17: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,053 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,054 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,054 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,054 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,054 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,054 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,054 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,054 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-25: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-27: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-29: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-31: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-33: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-35: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-37: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-39: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-41: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-43: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-45: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-47: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-49: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-51: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1127-53: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-13: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-15: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136-17: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,055 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-37: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-39: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,057 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-41: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,057 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-43: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,057 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-45: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,057 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-47: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,057 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-49: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,057 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-51: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,057 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-53: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,058 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-55: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-57: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-59: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-61: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-63: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1081-65: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-1: select_one_#res#1 := select_one_~retValue_acc~8#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-3: select_one_#res#1 := select_one_~retValue_acc~8#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-5: select_one_#res#1 := select_one_~retValue_acc~8#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-7: select_one_#res#1 := select_one_~retValue_acc~8#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-9: select_one_#res#1 := select_one_~retValue_acc~8#1; [2025-03-17 20:33:41,059 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955-11: select_one_#res#1 := select_one_~retValue_acc~8#1; [2025-03-17 20:33:41,139 INFO L? ?]: Removed 596 outVars from TransFormulas that were not future-live. [2025-03-17 20:33:41,139 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 20:33:41,159 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 20:33:41,165 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 20:33:41,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:33:41 BoogieIcfgContainer [2025-03-17 20:33:41,166 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 20:33:41,167 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-17 20:33:41,167 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-17 20:33:41,170 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-17 20:33:41,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:33:41,171 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.03 08:33:39" (1/3) ... [2025-03-17 20:33:41,172 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25f95a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:33:41, skipping insertion in model container [2025-03-17 20:33:41,172 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:33:41,172 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:33:39" (2/3) ... [2025-03-17 20:33:41,172 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25f95a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:33:41, skipping insertion in model container [2025-03-17 20:33:41,173 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:33:41,173 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:33:41" (3/3) ... [2025-03-17 20:33:41,173 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2025-03-17 20:33:41,223 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-17 20:33:41,223 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-17 20:33:41,223 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-17 20:33:41,223 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-17 20:33:41,224 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-17 20:33:41,224 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-17 20:33:41,224 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-17 20:33:41,224 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-17 20:33:41,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 603 states, 602 states have (on average 1.441860465116279) internal successors, (868), 602 states have internal predecessors, (868), 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) [2025-03-17 20:33:41,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 398 [2025-03-17 20:33:41,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:33:41,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:33:41,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 20:33:41,280 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 20:33:41,280 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-17 20:33:41,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 603 states, 602 states have (on average 1.441860465116279) internal successors, (868), 602 states have internal predecessors, (868), 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) [2025-03-17 20:33:41,289 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 398 [2025-03-17 20:33:41,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:33:41,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:33:41,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 20:33:41,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 20:33:41,298 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-17 20:33:41,298 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume 0 != test_~tmp___2~0#1;" "assume 0 != ~__SELECTED_FEATURE_startCommand~0;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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~11#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;assume { :end_inline_timeShift } true;" [2025-03-17 20:33:41,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:33:41,304 INFO L85 PathProgramCache]: Analyzing trace with hash -256478761, now seen corresponding path program 1 times [2025-03-17 20:33:41,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:33:41,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655889503] [2025-03-17 20:33:41,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:33:41,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:33:41,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 20:33:41,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 20:33:41,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:41,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:41,373 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:33:41,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 20:33:41,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 20:33:41,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:41,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:41,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:33:41,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:33:41,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1086240578, now seen corresponding path program 1 times [2025-03-17 20:33:41,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:33:41,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318809682] [2025-03-17 20:33:41,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:33:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:33:41,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 20:33:41,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 20:33:41,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:41,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:33:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:33:41,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:33:41,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318809682] [2025-03-17 20:33:41,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318809682] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 20:33:41,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 20:33:41,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 20:33:41,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316116774] [2025-03-17 20:33:41,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 20:33:41,494 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-17 20:33:41,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:33:41,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 20:33:41,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 20:33:41,517 INFO L87 Difference]: Start difference. First operand has 603 states, 602 states have (on average 1.441860465116279) internal successors, (868), 602 states have internal predecessors, (868), 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 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2025-03-17 20:33:41,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:33:41,594 INFO L93 Difference]: Finished difference Result 1197 states and 1713 transitions. [2025-03-17 20:33:41,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1197 states and 1713 transitions. [2025-03-17 20:33:41,606 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 796 [2025-03-17 20:33:41,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1197 states to 1187 states and 1702 transitions. [2025-03-17 20:33:41,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1187 [2025-03-17 20:33:41,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1187 [2025-03-17 20:33:41,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1187 states and 1702 transitions. [2025-03-17 20:33:41,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:33:41,636 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1187 states and 1702 transitions. [2025-03-17 20:33:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states and 1702 transitions. [2025-03-17 20:33:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1185. [2025-03-17 20:33:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1185 states have (on average 1.4337552742616033) internal successors, (1699), 1184 states have internal predecessors, (1699), 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) [2025-03-17 20:33:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1699 transitions. [2025-03-17 20:33:41,697 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1185 states and 1699 transitions. [2025-03-17 20:33:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 20:33:41,700 INFO L432 stractBuchiCegarLoop]: Abstraction has 1185 states and 1699 transitions. [2025-03-17 20:33:41,700 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-17 20:33:41,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1185 states and 1699 transitions. [2025-03-17 20:33:41,706 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 794 [2025-03-17 20:33:41,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:33:41,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:33:41,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 20:33:41,708 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] [2025-03-17 20:33:41,708 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-17 20:33:41,708 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true;" "assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true;" "assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true;assume { :end_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__lowWaterSensor } true;" "assume { :end_inline_processEnvironment__before__methaneAlarm } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~11#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;assume { :end_inline_timeShift } true;" [2025-03-17 20:33:41,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:33:41,709 INFO L85 PathProgramCache]: Analyzing trace with hash -256478761, now seen corresponding path program 2 times [2025-03-17 20:33:41,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:33:41,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608697129] [2025-03-17 20:33:41,710 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 20:33:41,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:33:41,722 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 9 statements into 1 equivalence classes. [2025-03-17 20:33:41,730 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 20:33:41,731 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 20:33:41,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:41,731 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:33:41,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 20:33:41,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 20:33:41,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:41,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:41,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:33:41,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:33:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash -145353339, now seen corresponding path program 1 times [2025-03-17 20:33:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:33:41,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923916898] [2025-03-17 20:33:41,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:33:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:33:41,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 20:33:41,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 20:33:41,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:41,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:41,772 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:33:41,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 20:33:41,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 20:33:41,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:41,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:41,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:33:41,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:33:41,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2101821531, now seen corresponding path program 1 times [2025-03-17 20:33:41,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:33:41,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975514278] [2025-03-17 20:33:41,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:33:41,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:33:41,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 20:33:41,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 20:33:41,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:41,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:33:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:33:41,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:33:41,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975514278] [2025-03-17 20:33:41,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975514278] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 20:33:41,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 20:33:41,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 20:33:41,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383040284] [2025-03-17 20:33:41,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 20:33:41,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:33:41,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 20:33:41,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 20:33:41,986 INFO L87 Difference]: Start difference. First operand 1185 states and 1699 transitions. cyclomatic complexity: 517 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2025-03-17 20:33:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:33:42,201 INFO L93 Difference]: Finished difference Result 2361 states and 3381 transitions. [2025-03-17 20:33:42,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2361 states and 3381 transitions. [2025-03-17 20:33:42,213 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1588 [2025-03-17 20:33:42,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2361 states to 2361 states and 3381 transitions. [2025-03-17 20:33:42,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2361 [2025-03-17 20:33:42,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2361 [2025-03-17 20:33:42,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2361 states and 3381 transitions. [2025-03-17 20:33:42,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:33:42,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2361 states and 3381 transitions. [2025-03-17 20:33:42,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2361 states and 3381 transitions. [2025-03-17 20:33:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2361 to 2361. [2025-03-17 20:33:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2361 states, 2361 states have (on average 1.432020330368488) internal successors, (3381), 2360 states have internal predecessors, (3381), 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) [2025-03-17 20:33:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 3381 transitions. [2025-03-17 20:33:42,289 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2361 states and 3381 transitions. [2025-03-17 20:33:42,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 20:33:42,290 INFO L432 stractBuchiCegarLoop]: Abstraction has 2361 states and 3381 transitions. [2025-03-17 20:33:42,290 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-17 20:33:42,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2361 states and 3381 transitions. [2025-03-17 20:33:42,301 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1588 [2025-03-17 20:33:42,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:33:42,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:33:42,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 20:33:42,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 20:33:42,302 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1;" "select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-17 20:33:42,302 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true;" "assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true;" "assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true;assume { :end_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__lowWaterSensor } true;" "assume { :end_inline_processEnvironment__before__methaneAlarm } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~11#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification3_spec__1_#t~ret55#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3#1 := __utac_acc__Specification3_spec__1_#t~ret55#1;havoc __utac_acc__Specification3_spec__1_#t~ret55#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;assume { :end_inline_timeShift } true;" [2025-03-17 20:33:42,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:33:42,303 INFO L85 PathProgramCache]: Analyzing trace with hash -256478761, now seen corresponding path program 3 times [2025-03-17 20:33:42,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:33:42,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67673114] [2025-03-17 20:33:42,303 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 20:33:42,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:33:42,310 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 9 statements into 1 equivalence classes. [2025-03-17 20:33:42,315 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 20:33:42,315 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 20:33:42,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:42,315 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:33:42,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 20:33:42,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 20:33:42,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:42,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:42,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:33:42,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:33:42,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2049371495, now seen corresponding path program 1 times [2025-03-17 20:33:42,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:33:42,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958045689] [2025-03-17 20:33:42,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:33:42,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:33:42,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 20:33:42,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 20:33:42,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:42,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:42,332 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:33:42,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 20:33:42,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 20:33:42,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:42,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:42,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:33:42,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:33:42,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1215871677, now seen corresponding path program 1 times [2025-03-17 20:33:42,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:33:42,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023298131] [2025-03-17 20:33:42,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:33:42,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:33:42,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 20:33:42,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 20:33:42,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:42,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:42,350 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:33:42,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 20:33:42,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 20:33:42,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:42,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:42,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:33:43,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 20:33:43,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 20:33:43,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:43,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:43,384 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:33:43,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 20:33:43,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 20:33:43,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:33:43,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:33:43,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.03 08:33:43 BoogieIcfgContainer [2025-03-17 20:33:43,456 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-17 20:33:43,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 20:33:43,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 20:33:43,457 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 20:33:43,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:33:41" (3/4) ... [2025-03-17 20:33:43,459 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-17 20:33:43,500 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 20:33:43,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 20:33:43,501 INFO L158 Benchmark]: Toolchain (without parser) took 4339.11ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 105.1MB in the beginning and 206.8MB in the end (delta: -101.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2025-03-17 20:33:43,501 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:33:43,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.33ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 85.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 20:33:43,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.00ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 77.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 20:33:43,501 INFO L158 Benchmark]: Boogie Preprocessor took 111.36ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 68.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 20:33:43,502 INFO L158 Benchmark]: IcfgBuilder took 1437.64ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 93.7MB in the end (delta: -25.0MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2025-03-17 20:33:43,502 INFO L158 Benchmark]: BuchiAutomizer took 2289.56ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 92.8MB in the beginning and 212.1MB in the end (delta: -119.3MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2025-03-17 20:33:43,502 INFO L158 Benchmark]: Witness Printer took 42.96ms. Allocated memory is still 293.6MB. Free memory was 212.1MB in the beginning and 206.8MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:33:43,503 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.33ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 85.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.00ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 77.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.36ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 68.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1437.64ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 93.7MB in the end (delta: -25.0MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2289.56ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 92.8MB in the beginning and 212.1MB in the end (delta: -119.3MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 42.96ms. Allocated memory is still 293.6MB. Free memory was 212.1MB in the beginning and 206.8MB in the end (delta: 5.3MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] - GenericResultAtLocation [Line: 606]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [606] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] - GenericResultAtLocation [Line: 991]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [991] - GenericResultAtLocation [Line: 1027]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1027] - GenericResultAtLocation [Line: 1036]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [1036] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 2361 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 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, 1682 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1682 mSDsluCounter, 4894 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3233 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 1661 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 540]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 [L964] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___1)) [L595] CALL timeShift() [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L632] CALL processEnvironment() [L766] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L773] CALL processEnvironment__before__methaneAlarm() [L723] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L730] CALL processEnvironment__before__lowWaterSensor() [L680] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L687] FCALL processEnvironment__before__highWaterSensor() [L730] RET processEnvironment__before__lowWaterSensor() [L773] RET processEnvironment__before__methaneAlarm() [L632] RET processEnvironment() [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1001] CALL, EXPR isMethaneLevelCritical() [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND FALSE !(tmp___0 == 2) [L638] RET __utac_acc__Specification3_spec__1() [L595] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 540]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 [L964] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___1)) [L595] CALL timeShift() [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L632] CALL processEnvironment() [L766] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L773] CALL processEnvironment__before__methaneAlarm() [L723] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L730] CALL processEnvironment__before__lowWaterSensor() [L680] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L687] FCALL processEnvironment__before__highWaterSensor() [L730] RET processEnvironment__before__lowWaterSensor() [L773] RET processEnvironment__before__methaneAlarm() [L632] RET processEnvironment() [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1001] CALL, EXPR isMethaneLevelCritical() [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND FALSE !(tmp___0 == 2) [L638] RET __utac_acc__Specification3_spec__1() [L595] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-17 20:33:43,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)