./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed 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_spec4_product14.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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:30:48,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:30:48,945 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:30:48,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:30:48,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:30:48,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:30:48,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:30:48,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:30:48,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:30:48,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:30:48,966 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:30:48,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:30:48,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:30:48,966 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:30:48,966 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:30:48,966 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:30:48,966 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:30:48,966 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:30:48,966 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:30:48,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:30:48,967 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:30:48,967 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:30:48,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:30:48,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:30:48,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:30:48,968 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:30:48,968 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 -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2025-03-09 07:30:49,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:30:49,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:30:49,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:30:49,192 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:30:49,192 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:30:49,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2025-03-09 07:30:50,415 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40bc2ecd6/38d4a83874394db4b2770b2cc56bdf74/FLAGb2c0ed0bb [2025-03-09 07:30:50,703 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:30:50,704 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2025-03-09 07:30:50,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40bc2ecd6/38d4a83874394db4b2770b2cc56bdf74/FLAGb2c0ed0bb [2025-03-09 07:30:50,723 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40bc2ecd6/38d4a83874394db4b2770b2cc56bdf74 [2025-03-09 07:30:50,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:30:50,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:30:50,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:30:50,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:30:50,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:30:50,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:30:50" (1/1) ... [2025-03-09 07:30:50,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191d48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:50, skipping insertion in model container [2025-03-09 07:30:50,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:30:50" (1/1) ... [2025-03-09 07:30:50,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:30:50,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:30:50,989 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:30:50,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-03-09 07:30:50,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2025-03-09 07:30:50,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] [2025-03-09 07:30:50,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] [2025-03-09 07:30:50,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] [2025-03-09 07:30:50,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] [2025-03-09 07:30:50,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] [2025-03-09 07:30:50,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] [2025-03-09 07:30:51,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:30:51,052 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:30:51,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51 WrapperNode [2025-03-09 07:30:51,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:30:51,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:30:51,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:30:51,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:30:51,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,106 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 51, statements flattened = 306 [2025-03-09 07:30:51,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:30:51,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:30:51,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:30:51,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:30:51,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,135 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]. [2025-03-09 07:30:51,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:30:51,149 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:30:51,149 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:30:51,149 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:30:51,150 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (1/1) ... [2025-03-09 07:30:51,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:30:51,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:30:51,180 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) [2025-03-09 07:30:51,186 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 [2025-03-09 07:30:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:30:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:30:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:30:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:30:51,264 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:30:51,266 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:30:51,495 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L138-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L138-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L138-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-03-09 07:30:51,496 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-09 07:30:51,497 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-03-09 07:30:51,510 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2025-03-09 07:30:51,511 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:30:51,518 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:30:51,518 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:30:51,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:51 BoogieIcfgContainer [2025-03-09 07:30:51,520 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:30:51,521 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:30:51,521 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:30:51,525 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:30:51,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:51,525 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:30:50" (1/3) ... [2025-03-09 07:30:51,526 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19111f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:30:51, skipping insertion in model container [2025-03-09 07:30:51,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:51,526 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:51" (2/3) ... [2025-03-09 07:30:51,526 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19111f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:30:51, skipping insertion in model container [2025-03-09 07:30:51,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:51,526 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:51" (3/3) ... [2025-03-09 07:30:51,527 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2025-03-09 07:30:51,564 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:30:51,565 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:30:51,565 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:30:51,565 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:30:51,565 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:30:51,565 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:30:51,566 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:30:51,566 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:30:51,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 95 states have internal predecessors, (127), 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) [2025-03-09 07:30:51,583 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2025-03-09 07:30:51,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:51,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:51,589 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:51,589 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:51,589 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:30:51,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 95 states have internal predecessors, (127), 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) [2025-03-09 07:30:51,596 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2025-03-09 07:30:51,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:51,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:51,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:51,596 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:51,602 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:30:51,602 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:30:51,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:51,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1652641861, now seen corresponding path program 1 times [2025-03-09 07:30:51,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:51,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471089267] [2025-03-09 07:30:51,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:51,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:51,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:51,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:51,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:51,677 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:51,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:51,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:51,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:51,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:51,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:51,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:51,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1139905942, now seen corresponding path program 1 times [2025-03-09 07:30:51,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:51,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537360848] [2025-03-09 07:30:51,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:51,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:51,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:30:51,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:30:51,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:51,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:30:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:30:51,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:30:51,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537360848] [2025-03-09 07:30:51,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537360848] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:30:51,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:30:51,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:30:51,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613447298] [2025-03-09 07:30:51,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:30:51,777 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:30:51,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:30:51,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:30:51,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:30:51,803 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 95 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-03-09 07:30:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:30:51,830 INFO L93 Difference]: Finished difference Result 90 states and 113 transitions. [2025-03-09 07:30:51,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 113 transitions. [2025-03-09 07:30:51,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2025-03-09 07:30:51,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 80 states and 102 transitions. [2025-03-09 07:30:51,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2025-03-09 07:30:51,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2025-03-09 07:30:51,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 102 transitions. [2025-03-09 07:30:51,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:30:51,846 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 102 transitions. [2025-03-09 07:30:51,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 102 transitions. [2025-03-09 07:30:51,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2025-03-09 07:30:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 80 states have (on average 1.275) internal successors, (102), 79 states have internal predecessors, (102), 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) [2025-03-09 07:30:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2025-03-09 07:30:51,869 INFO L240 hiAutomatonCegarLoop]: Abstraction has 80 states and 102 transitions. [2025-03-09 07:30:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:30:51,872 INFO L432 stractBuchiCegarLoop]: Abstraction has 80 states and 102 transitions. [2025-03-09 07:30:51,872 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:30:51,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 102 transitions. [2025-03-09 07:30:51,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2025-03-09 07:30:51,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:51,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:51,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:51,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:51,877 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:30:51,877 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:30:51,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:51,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1652641861, now seen corresponding path program 2 times [2025-03-09 07:30:51,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:51,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12226609] [2025-03-09 07:30:51,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:30:51,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:51,885 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:51,893 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:51,894 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:30:51,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:51,894 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:51,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:51,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:51,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:51,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:51,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:51,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:51,910 INFO L85 PathProgramCache]: Analyzing trace with hash -825318455, now seen corresponding path program 1 times [2025-03-09 07:30:51,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:51,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909711807] [2025-03-09 07:30:51,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:51,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:51,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 07:30:51,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 07:30:51,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:51,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:51,921 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:51,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 07:30:51,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 07:30:51,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:51,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:51,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:51,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:51,929 INFO L85 PathProgramCache]: Analyzing trace with hash -757208307, now seen corresponding path program 1 times [2025-03-09 07:30:51,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:51,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196690661] [2025-03-09 07:30:51,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:51,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:51,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:30:51,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:30:51,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:51,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:51,948 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:51,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:30:51,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:30:51,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:51,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:51,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:52,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:52,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:52,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:52,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:52,727 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:52,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:52,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:52,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:52,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:52,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:30:52 BoogieIcfgContainer [2025-03-09 07:30:52,768 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:30:52,769 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:30:52,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:30:52,769 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:30:52,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:51" (3/4) ... [2025-03-09 07:30:52,771 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:30:52,807 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:30:52,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:30:52,810 INFO L158 Benchmark]: Toolchain (without parser) took 2082.28ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 63.6MB in the end (delta: 46.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2025-03-09 07:30:52,810 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:30:52,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.69ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 92.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:30:52,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.95ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:30:52,811 INFO L158 Benchmark]: Boogie Preprocessor took 40.48ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 88.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:30:52,811 INFO L158 Benchmark]: IcfgBuilder took 371.33ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 68.8MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:30:52,811 INFO L158 Benchmark]: BuchiAutomizer took 1247.08ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 67.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2025-03-09 07:30:52,812 INFO L158 Benchmark]: Witness Printer took 39.29ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 63.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:30:52,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.69ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 92.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.95ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.48ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 88.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 371.33ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 68.8MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1247.08ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 67.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 39.29ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 63.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] - GenericResultAtLocation [Line: 772]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] - GenericResultAtLocation [Line: 781]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 80 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 110 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 110 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 553]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L343] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L782] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int retValue_acc ; [L856] int tmp ; [L860] FCALL select_helpers() [L861] FCALL select_features() [L862] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] RET, EXPR valid_product() [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L866] FCALL setup() [L867] CALL runTest() [L849] CALL test() [L544] int splverifierCounter ; [L545] int tmp ; [L546] int tmp___0 ; [L547] int tmp___1 ; [L548] int tmp___2 ; [L551] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L555] COND TRUE splverifierCounter < 4 [L561] tmp = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp)) [L571] tmp___0 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___0)) [L581] tmp___2 = __VERIFIER_nondet_int() [L583] COND TRUE \read(tmp___2) [L585] CALL startSystem() [L768] systemActive = 1 [L585] RET startSystem() [L598] CALL timeShift() [L622] COND FALSE !(\read(pumpRunning)) [L629] COND TRUE \read(systemActive) [L631] CALL processEnvironment() [L651] int tmp ; [L654] COND FALSE !(\read(pumpRunning)) [L669] FCALL processEnvironment__wrappee__methaneQuery() [L631] RET processEnvironment() [L637] CALL __utac_acc__Specification4_spec__1() [L879] int tmp ; [L880] int tmp___0 ; [L884] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L884] RET, EXPR getWaterLevel() [L884] tmp = getWaterLevel() [L886] COND FALSE !(tmp == 0) [L637] RET __utac_acc__Specification4_spec__1() [L598] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 553]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L343] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L782] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int retValue_acc ; [L856] int tmp ; [L860] FCALL select_helpers() [L861] FCALL select_features() [L862] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] RET, EXPR valid_product() [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L866] FCALL setup() [L867] CALL runTest() [L849] CALL test() [L544] int splverifierCounter ; [L545] int tmp ; [L546] int tmp___0 ; [L547] int tmp___1 ; [L548] int tmp___2 ; [L551] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L555] COND TRUE splverifierCounter < 4 [L561] tmp = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp)) [L571] tmp___0 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___0)) [L581] tmp___2 = __VERIFIER_nondet_int() [L583] COND TRUE \read(tmp___2) [L585] CALL startSystem() [L768] systemActive = 1 [L585] RET startSystem() [L598] CALL timeShift() [L622] COND FALSE !(\read(pumpRunning)) [L629] COND TRUE \read(systemActive) [L631] CALL processEnvironment() [L651] int tmp ; [L654] COND FALSE !(\read(pumpRunning)) [L669] FCALL processEnvironment__wrappee__methaneQuery() [L631] RET processEnvironment() [L637] CALL __utac_acc__Specification4_spec__1() [L879] int tmp ; [L880] int tmp___0 ; [L884] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L884] RET, EXPR getWaterLevel() [L884] tmp = getWaterLevel() [L886] COND FALSE !(tmp == 0) [L637] RET __utac_acc__Specification4_spec__1() [L598] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:30:52,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)