./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:44:14,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:44:14,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:44:14,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:44:14,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:44:14,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:44:14,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:44:14,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:44:14,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:44:14,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:44:14,175 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:44:14,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:44:14,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:44:14,176 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:44:14,176 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:44:14,176 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:44:14,176 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:44:14,176 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:44:14,177 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:44:14,177 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:44:14,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:44:14,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:44:14,178 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:44:14,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:44:14,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:44:14,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:44:14,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:44:14,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:44:14,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:44:14,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:44:14,179 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:44:14,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:44:14,179 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:44:14,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:44:14,179 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:44:14,179 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:44:14,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:44:14,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:44:14,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:44:14,179 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:44:14,180 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 [2025-02-06 19:44:14,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:44:14,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:44:14,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:44:14,491 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:44:14,492 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:44:14,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2025-02-06 19:44:15,745 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c9e849c09/1365b93c2ce945679320db1c381e5a9e/FLAG90f6b35bc [2025-02-06 19:44:16,016 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:44:16,017 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2025-02-06 19:44:16,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c9e849c09/1365b93c2ce945679320db1c381e5a9e/FLAG90f6b35bc [2025-02-06 19:44:16,035 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c9e849c09/1365b93c2ce945679320db1c381e5a9e [2025-02-06 19:44:16,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:44:16,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:44:16,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:16,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:44:16,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:44:16,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca44fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16, skipping insertion in model container [2025-02-06 19:44:16,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:44:16,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:16,343 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:44:16,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-02-06 19:44:16,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] [2025-02-06 19:44:16,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [163] [2025-02-06 19:44:16,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201] [2025-02-06 19:44:16,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] [2025-02-06 19:44:16,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [309] [2025-02-06 19:44:16,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [675] [2025-02-06 19:44:16,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [852] [2025-02-06 19:44:16,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:16,432 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:44:16,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16 WrapperNode [2025-02-06 19:44:16,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:16,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:16,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:44:16,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:44:16,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,467 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 53, statements flattened = 313 [2025-02-06 19:44:16,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:16,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:44:16,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:44:16,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:44:16,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,505 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]. [2025-02-06 19:44:16,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:44:16,518 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:44:16,520 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:44:16,520 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:44:16,521 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (1/1) ... [2025-02-06 19:44:16,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:44:16,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:44:16,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:44:16,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:44:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:44:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:44:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:44:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:44:16,636 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:44:16,638 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:44:17,024 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L781-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2025-02-06 19:44:17,025 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L781-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2025-02-06 19:44:17,025 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L781-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2025-02-06 19:44:17,025 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:44:17,025 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:44:17,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-02-06 19:44:17,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L297-1: main_#res#1 := main_~retValue_acc~4#1; [2025-02-06 19:44:17,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L198-1: valid_product_#res#1 := valid_product_~retValue_acc~3#1; [2025-02-06 19:44:17,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:17,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:17,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:17,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:17,027 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:17,027 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:17,044 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2025-02-06 19:44:17,044 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:44:17,059 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:44:17,059 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:44:17,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:17 BoogieIcfgContainer [2025-02-06 19:44:17,060 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:44:17,061 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:44:17,061 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:44:17,068 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:44:17,069 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:17,069 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:44:16" (1/3) ... [2025-02-06 19:44:17,070 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37663f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:17, skipping insertion in model container [2025-02-06 19:44:17,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:17,070 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:16" (2/3) ... [2025-02-06 19:44:17,070 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37663f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:17, skipping insertion in model container [2025-02-06 19:44:17,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:17,070 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:17" (3/3) ... [2025-02-06 19:44:17,071 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2025-02-06 19:44:17,124 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:44:17,125 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:44:17,125 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:44:17,125 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:44:17,125 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:44:17,125 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:44:17,126 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:44:17,127 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:44:17,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3267326732673268) internal successors, (134), 101 states have internal predecessors, (134), 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) [2025-02-06 19:44:17,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2025-02-06 19:44:17,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:17,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:17,161 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:17,161 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:17,161 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:44:17,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3267326732673268) internal successors, (134), 101 states have internal predecessors, (134), 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) [2025-02-06 19:44:17,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2025-02-06 19:44:17,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:17,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:17,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:17,168 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:17,172 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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:17,172 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet50#1;test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:17,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:17,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1316491502, now seen corresponding path program 1 times [2025-02-06 19:44:17,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:17,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010530280] [2025-02-06 19:44:17,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:17,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:17,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:17,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:17,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:17,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:17,266 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:17,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:17,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:17,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:17,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:17,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:17,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:17,309 INFO L85 PathProgramCache]: Analyzing trace with hash 880500953, now seen corresponding path program 1 times [2025-02-06 19:44:17,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:17,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110839316] [2025-02-06 19:44:17,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:17,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:17,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:44:17,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:44:17,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:17,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:17,324 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:17,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:44:17,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:44:17,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:17,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:17,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:17,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:17,340 INFO L85 PathProgramCache]: Analyzing trace with hash -568985658, now seen corresponding path program 1 times [2025-02-06 19:44:17,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:17,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439210855] [2025-02-06 19:44:17,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:17,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:17,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:44:17,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:44:17,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:17,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:44:17,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:17,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439210855] [2025-02-06 19:44:17,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439210855] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:17,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:17,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:44:17,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695568717] [2025-02-06 19:44:17,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:17,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:17,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 19:44:17,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 19:44:17,756 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.3267326732673268) internal successors, (134), 101 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:17,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:17,904 INFO L93 Difference]: Finished difference Result 246 states and 312 transitions. [2025-02-06 19:44:17,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 246 states and 312 transitions. [2025-02-06 19:44:17,915 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 157 [2025-02-06 19:44:17,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 246 states to 216 states and 282 transitions. [2025-02-06 19:44:17,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 216 [2025-02-06 19:44:17,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 216 [2025-02-06 19:44:17,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 216 states and 282 transitions. [2025-02-06 19:44:17,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:17,933 INFO L218 hiAutomatonCegarLoop]: Abstraction has 216 states and 282 transitions. [2025-02-06 19:44:17,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states and 282 transitions. [2025-02-06 19:44:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 136. [2025-02-06 19:44:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.3088235294117647) internal successors, (178), 135 states have internal predecessors, (178), 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) [2025-02-06 19:44:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 178 transitions. [2025-02-06 19:44:17,963 INFO L240 hiAutomatonCegarLoop]: Abstraction has 136 states and 178 transitions. [2025-02-06 19:44:17,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 19:44:17,969 INFO L432 stractBuchiCegarLoop]: Abstraction has 136 states and 178 transitions. [2025-02-06 19:44:17,971 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:44:17,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 178 transitions. [2025-02-06 19:44:17,973 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 97 [2025-02-06 19:44:17,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:17,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:17,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:17,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:17,974 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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:17,974 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet50#1;test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:17,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:17,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1316491502, now seen corresponding path program 2 times [2025-02-06 19:44:17,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:17,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13279945] [2025-02-06 19:44:17,975 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:44:17,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:17,982 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:17,987 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:17,989 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:44:17,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:17,990 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:17,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:18,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:18,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:18,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:18,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:18,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:18,011 INFO L85 PathProgramCache]: Analyzing trace with hash -2113179257, now seen corresponding path program 1 times [2025-02-06 19:44:18,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:18,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504801694] [2025-02-06 19:44:18,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:18,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:18,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:44:18,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:44:18,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:18,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:18,022 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:18,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:44:18,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:44:18,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:18,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:18,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:18,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:18,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2127353722, now seen corresponding path program 1 times [2025-02-06 19:44:18,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:18,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625798494] [2025-02-06 19:44:18,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:18,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 19:44:18,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 19:44:18,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:18,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:18,040 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:18,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 19:44:18,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 19:44:18,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:18,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:18,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:18,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:18,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:18,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:18,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:18,949 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:18,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:18,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:18,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:18,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:19,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:44:19 BoogieIcfgContainer [2025-02-06 19:44:19,015 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:44:19,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:44:19,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:44:19,016 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:44:19,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:17" (3/4) ... [2025-02-06 19:44:19,018 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:44:19,070 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:44:19,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:44:19,073 INFO L158 Benchmark]: Toolchain (without parser) took 3032.12ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 111.7MB in the end (delta: 783.7kB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2025-02-06 19:44:19,073 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:19,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.50ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 94.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:19,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.28ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 92.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:19,074 INFO L158 Benchmark]: Boogie Preprocessor took 49.70ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:44:19,074 INFO L158 Benchmark]: IcfgBuilder took 541.73ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 70.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:19,075 INFO L158 Benchmark]: BuchiAutomizer took 1954.91ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 48.9MB in the end (delta: 21.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2025-02-06 19:44:19,075 INFO L158 Benchmark]: Witness Printer took 53.96ms. Allocated memory is still 142.6MB. Free memory was 48.9MB in the beginning and 111.7MB in the end (delta: -62.8MB). Peak memory consumption was 447.7kB. Max. memory is 16.1GB. [2025-02-06 19:44:19,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.50ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 94.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.28ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 92.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.70ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 541.73ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 70.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1954.91ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 48.9MB in the end (delta: 21.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 53.96ms. Allocated memory is still 142.6MB. Free memory was 48.9MB in the beginning and 111.7MB in the end (delta: -62.8MB). Peak memory consumption was 447.7kB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] - GenericResultAtLocation [Line: 163]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [163] - GenericResultAtLocation [Line: 201]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201] - GenericResultAtLocation [Line: 300]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [309] - GenericResultAtLocation [Line: 675]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [675] - GenericResultAtLocation [Line: 852]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [852] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 80 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, 311 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 544 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 418 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 126 mSDtfsCounter, 38 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: 863]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L202] int cleanupTimeShifts = 4; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L278] int retValue_acc ; [L279] int tmp ; [L283] FCALL select_helpers() [L284] FCALL select_features() [L285] CALL, EXPR valid_product() [L193] int retValue_acc ; [L196] retValue_acc = 1 [L197] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L285] RET, EXPR valid_product() [L285] tmp = valid_product() [L287] COND TRUE \read(tmp) [L289] FCALL setup() [L290] CALL runTest() [L272] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L696] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] FCALL processEnvironment__wrappee__methaneQuery() [L696] RET processEnvironment() [L702] CALL __utac_acc__Specification1_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L144] RET, EXPR isMethaneLevelCritical() [L144] tmp = isMethaneLevelCritical() [L146] COND FALSE !(\read(tmp)) [L702] RET __utac_acc__Specification1_spec__1() [L910] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 863]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L202] int cleanupTimeShifts = 4; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L278] int retValue_acc ; [L279] int tmp ; [L283] FCALL select_helpers() [L284] FCALL select_features() [L285] CALL, EXPR valid_product() [L193] int retValue_acc ; [L196] retValue_acc = 1 [L197] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L285] RET, EXPR valid_product() [L285] tmp = valid_product() [L287] COND TRUE \read(tmp) [L289] FCALL setup() [L290] CALL runTest() [L272] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L696] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] FCALL processEnvironment__wrappee__methaneQuery() [L696] RET processEnvironment() [L702] CALL __utac_acc__Specification1_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L144] RET, EXPR isMethaneLevelCritical() [L144] tmp = isMethaneLevelCritical() [L146] COND FALSE !(\read(tmp)) [L702] RET __utac_acc__Specification1_spec__1() [L910] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:44:19,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)