./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 798a7b37 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_product15.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 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:16:31,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:16:31,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:16:31,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:16:31,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:16:31,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:16:31,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:16:31,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:16:31,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:16:31,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:16:31,094 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:16:31,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:16:31,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:16:31,094 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:16:31,094 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:16:31,094 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:16:31,094 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:16:31,094 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:16:31,094 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:16:31,094 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:16:31,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:16:31,095 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:16:31,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:16:31,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:16:31,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:16:31,096 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:16:31,096 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 -> 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda [2025-03-04 16:16:31,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:16:31,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:16:31,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:16:31,331 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:16:31,332 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:16:31,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2025-03-04 16:16:32,440 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee36637fc/1798bc3805464c768150315725fd6dc4/FLAGe8f43946b [2025-03-04 16:16:32,727 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:16:32,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2025-03-04 16:16:32,740 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee36637fc/1798bc3805464c768150315725fd6dc4/FLAGe8f43946b [2025-03-04 16:16:33,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee36637fc/1798bc3805464c768150315725fd6dc4 [2025-03-04 16:16:33,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:16:33,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:16:33,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:16:33,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:16:33,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:16:33,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ace293c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33, skipping insertion in model container [2025-03-04 16:16:33,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:16:33,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:16:33,240 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:16:33,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-03-04 16:16:33,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2025-03-04 16:16:33,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2025-03-04 16:16:33,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] [2025-03-04 16:16:33,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] [2025-03-04 16:16:33,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] [2025-03-04 16:16:33,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] [2025-03-04 16:16:33,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] [2025-03-04 16:16:33,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:16:33,324 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:16:33,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33 WrapperNode [2025-03-04 16:16:33,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:16:33,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:16:33,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:16:33,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:16:33,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,374 INFO L138 Inliner]: procedures = 52, calls = 97, calls flagged for inlining = 50, calls inlined = 52, statements flattened = 310 [2025-03-04 16:16:33,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:16:33,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:16:33,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:16:33,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:16:33,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,407 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]. [2025-03-04 16:16:33,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,411 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:16:33,418 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:16:33,418 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:16:33,418 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:16:33,419 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (1/1) ... [2025-03-04 16:16:33,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:16:33,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:16:33,453 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) [2025-03-04 16:16:33,455 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 [2025-03-04 16:16:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:16:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:16:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:16:33,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:16:33,535 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:16:33,538 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:16:33,778 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:33,778 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:33,778 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:33,778 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L881-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-04 16:16:33,778 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L785-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L785-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L785-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:33,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:33,793 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2025-03-04 16:16:33,793 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:16:33,803 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:16:33,804 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:16:33,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:33 BoogieIcfgContainer [2025-03-04 16:16:33,805 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:16:33,807 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:16:33,807 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:16:33,811 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:16:33,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:33,811 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:16:33" (1/3) ... [2025-03-04 16:16:33,813 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a6aa6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:16:33, skipping insertion in model container [2025-03-04 16:16:33,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:33,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:33" (2/3) ... [2025-03-04 16:16:33,814 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a6aa6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:16:33, skipping insertion in model container [2025-03-04 16:16:33,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:33,814 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:33" (3/3) ... [2025-03-04 16:16:33,816 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2025-03-04 16:16:33,852 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:16:33,853 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:16:33,853 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:16:33,853 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:16:33,853 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:16:33,853 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:16:33,853 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:16:33,853 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:16:33,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.33) internal successors, (133), 100 states have internal predecessors, (133), 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) [2025-03-04 16:16:33,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-03-04 16:16:33,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:33,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:33,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:33,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:33,877 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:16:33,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.33) internal successors, (133), 100 states have internal predecessors, (133), 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) [2025-03-04 16:16:33,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-03-04 16:16:33,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:33,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:33,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:33,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:33,886 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:33,886 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__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~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#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;" [2025-03-04 16:16:33,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:33,890 INFO L85 PathProgramCache]: Analyzing trace with hash -517682772, now seen corresponding path program 1 times [2025-03-04 16:16:33,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:33,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255069323] [2025-03-04 16:16:33,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:33,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:33,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:33,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:33,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:33,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:33,951 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:33,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:33,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:33,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:33,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:33,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:33,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:33,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1418419364, now seen corresponding path program 1 times [2025-03-04 16:16:33,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:33,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837737024] [2025-03-04 16:16:33,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:33,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:33,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 16:16:33,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 16:16:33,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:33,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:33,989 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:33,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 16:16:33,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 16:16:33,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:33,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:33,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:34,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:34,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1165318247, now seen corresponding path program 1 times [2025-03-04 16:16:34,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:34,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280963995] [2025-03-04 16:16:34,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:34,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:34,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 16:16:34,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 16:16:34,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:34,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:16:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:16:34,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:16:34,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280963995] [2025-03-04 16:16:34,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280963995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:16:34,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:16:34,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:16:34,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406817901] [2025-03-04 16:16:34,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:16:34,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:16:34,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:16:34,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:16:34,219 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.33) internal successors, (133), 100 states have internal predecessors, (133), 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 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:34,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:16:34,251 INFO L93 Difference]: Finished difference Result 182 states and 232 transitions. [2025-03-04 16:16:34,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 232 transitions. [2025-03-04 16:16:34,255 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 112 [2025-03-04 16:16:34,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 162 states and 211 transitions. [2025-03-04 16:16:34,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2025-03-04 16:16:34,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 162 [2025-03-04 16:16:34,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 162 states and 211 transitions. [2025-03-04 16:16:34,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:16:34,265 INFO L218 hiAutomatonCegarLoop]: Abstraction has 162 states and 211 transitions. [2025-03-04 16:16:34,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states and 211 transitions. [2025-03-04 16:16:34,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 159. [2025-03-04 16:16:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 158 states have internal predecessors, (207), 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) [2025-03-04 16:16:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2025-03-04 16:16:34,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 159 states and 207 transitions. [2025-03-04 16:16:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:16:34,302 INFO L432 stractBuchiCegarLoop]: Abstraction has 159 states and 207 transitions. [2025-03-04 16:16:34,302 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:16:34,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 207 transitions. [2025-03-04 16:16:34,303 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 112 [2025-03-04 16:16:34,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:34,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:34,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:34,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:34,304 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:34,304 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#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~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#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;" [2025-03-04 16:16:34,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:34,304 INFO L85 PathProgramCache]: Analyzing trace with hash -517682772, now seen corresponding path program 2 times [2025-03-04 16:16:34,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:34,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712478156] [2025-03-04 16:16:34,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:16:34,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:34,310 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:34,314 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:34,314 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:16:34,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:34,315 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:34,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:34,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:34,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:34,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:34,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:34,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:34,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1508778532, now seen corresponding path program 1 times [2025-03-04 16:16:34,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:34,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441094689] [2025-03-04 16:16:34,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:34,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:34,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 16:16:34,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 16:16:34,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:34,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:34,327 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:34,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 16:16:34,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 16:16:34,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:34,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:34,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:34,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:34,331 INFO L85 PathProgramCache]: Analyzing trace with hash 767931079, now seen corresponding path program 1 times [2025-03-04 16:16:34,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:34,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889960735] [2025-03-04 16:16:34,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:34,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:34,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 16:16:34,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 16:16:34,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:34,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:34,347 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:34,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 16:16:34,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 16:16:34,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:34,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:34,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:34,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:34,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:34,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:34,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:34,979 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:34,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:34,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:34,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:34,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:35,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:16:35 BoogieIcfgContainer [2025-03-04 16:16:35,022 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:16:35,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:16:35,022 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:16:35,022 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:16:35,024 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:33" (3/4) ... [2025-03-04 16:16:35,025 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-04 16:16:35,050 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 16:16:35,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:16:35,051 INFO L158 Benchmark]: Toolchain (without parser) took 2044.13ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 51.3MB in the end (delta: 53.7MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2025-03-04 16:16:35,051 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:35,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.26ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 86.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:16:35,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.02ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:35,051 INFO L158 Benchmark]: Boogie Preprocessor took 39.18ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 83.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:16:35,051 INFO L158 Benchmark]: IcfgBuilder took 386.79ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 63.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:16:35,052 INFO L158 Benchmark]: BuchiAutomizer took 1214.76ms. Allocated memory is still 142.6MB. Free memory was 63.2MB in the beginning and 55.2MB in the end (delta: 8.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2025-03-04 16:16:35,052 INFO L158 Benchmark]: Witness Printer took 27.97ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 51.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:35,053 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.26ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 86.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.02ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.18ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 83.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 386.79ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 63.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1214.76ms. Allocated memory is still 142.6MB. Free memory was 63.2MB in the beginning and 55.2MB in the end (delta: 8.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 27.97ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 51.3MB in the end (delta: 3.9MB). 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,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] * 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 159 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 226 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 107 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 119 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 112]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int waterLevel = 1; [L710] int methaneLevelCritical = 0; [L789] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L863] int tmp ; [L867] FCALL select_helpers() [L868] FCALL select_features() [L869] 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] [L869] RET, EXPR valid_product() [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L873] FCALL setup() [L874] CALL runTest() [L856] CALL test() [L103] int splverifierCounter ; [L104] int tmp ; [L105] int tmp___0 ; [L106] int tmp___1 ; [L107] int tmp___2 ; [L110] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L112] COND TRUE 1 [L114] COND TRUE splverifierCounter < 4 [L120] tmp = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp)) [L130] tmp___0 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___0)) [L140] tmp___2 = __VERIFIER_nondet_int() [L142] COND TRUE \read(tmp___2) [L157] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] FCALL processEnvironment__wrappee__methaneQuery() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification4_spec__1() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L780] int retValue_acc ; [L783] retValue_acc = waterLevel [L784] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND FALSE !(tmp == 0) [L199] RET __utac_acc__Specification4_spec__1() [L157] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 112]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int waterLevel = 1; [L710] int methaneLevelCritical = 0; [L789] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L863] int tmp ; [L867] FCALL select_helpers() [L868] FCALL select_features() [L869] 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] [L869] RET, EXPR valid_product() [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L873] FCALL setup() [L874] CALL runTest() [L856] CALL test() [L103] int splverifierCounter ; [L104] int tmp ; [L105] int tmp___0 ; [L106] int tmp___1 ; [L107] int tmp___2 ; [L110] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L112] COND TRUE 1 [L114] COND TRUE splverifierCounter < 4 [L120] tmp = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp)) [L130] tmp___0 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___0)) [L140] tmp___2 = __VERIFIER_nondet_int() [L142] COND TRUE \read(tmp___2) [L157] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] FCALL processEnvironment__wrappee__methaneQuery() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification4_spec__1() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L780] int retValue_acc ; [L783] retValue_acc = waterLevel [L784] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND FALSE !(tmp == 0) [L199] RET __utac_acc__Specification4_spec__1() [L157] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-04 16:16:35,065 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)