./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product07.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_spec2_product07.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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:15:10,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:15:10,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:15:10,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:15:10,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:15:10,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:15:10,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:15:10,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:15:10,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:15:10,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:15:10,948 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:15:10,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:15:10,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:15:10,948 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:15:10,949 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:15:10,949 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:15:10,949 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:15:10,949 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:15:10,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:15:10,950 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:15:10,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:15:10,951 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:15:10,951 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:15:10,951 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:15:10,951 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:15:10,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:15:10,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:15:10,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:15:10,951 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:15:10,951 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 -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2025-03-04 16:15:11,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:15:11,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:15:11,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:15:11,171 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:15:11,171 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:15:11,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2025-03-04 16:15:12,330 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937a51065/533ab21e98794a2dba79b2f35cc09b37/FLAG387997413 [2025-03-04 16:15:12,550 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:15:12,551 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2025-03-04 16:15:12,558 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937a51065/533ab21e98794a2dba79b2f35cc09b37/FLAG387997413 [2025-03-04 16:15:12,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937a51065/533ab21e98794a2dba79b2f35cc09b37 [2025-03-04 16:15:12,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:15:12,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:15:12,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:15:12,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:15:12,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:15:12,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d42611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12, skipping insertion in model container [2025-03-04 16:15:12,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:15:12,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:15:12,797 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:15:12,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-03-04 16:15:12,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2025-03-04 16:15:12,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] [2025-03-04 16:15:12,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] [2025-03-04 16:15:12,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] [2025-03-04 16:15:12,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] [2025-03-04 16:15:12,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] [2025-03-04 16:15:12,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] [2025-03-04 16:15:12,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:15:12,872 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:15:12,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12 WrapperNode [2025-03-04 16:15:12,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:15:12,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:15:12,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:15:12,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:15:12,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,915 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 53, statements flattened = 326 [2025-03-04 16:15:12,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:15:12,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:15:12,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:15:12,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:15:12,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,936 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 16:15:12,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,940 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:15:12,945 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:15:12,945 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:15:12,945 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:15:12,950 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (1/1) ... [2025-03-04 16:15:12,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:15:12,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:15:12,975 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 16:15:12,978 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 16:15:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:15:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:15:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:15:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:15:13,055 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:15:13,056 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L227-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L227-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L227-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L236-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L236-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L393-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L236-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L866-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-04 16:15:13,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-04 16:15:13,289 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-04 16:15:13,289 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-04 16:15:13,289 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-04 16:15:13,289 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-04 16:15:13,299 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2025-03-04 16:15:13,299 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:15:13,306 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:15:13,306 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:15:13,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:15:13 BoogieIcfgContainer [2025-03-04 16:15:13,307 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:15:13,308 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:15:13,308 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:15:13,311 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:15:13,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:15:13,312 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:15:12" (1/3) ... [2025-03-04 16:15:13,313 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23ca0617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:15:13, skipping insertion in model container [2025-03-04 16:15:13,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:15:13,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:15:12" (2/3) ... [2025-03-04 16:15:13,313 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23ca0617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:15:13, skipping insertion in model container [2025-03-04 16:15:13,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:15:13,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:15:13" (3/3) ... [2025-03-04 16:15:13,314 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2025-03-04 16:15:13,348 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:15:13,348 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:15:13,348 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:15:13,348 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:15:13,349 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:15:13,349 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:15:13,350 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:15:13,350 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:15:13,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3461538461538463) internal successors, (140), 104 states have internal predecessors, (140), 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 16:15:13,369 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2025-03-04 16:15:13,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:15:13,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:15:13,376 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:15:13,376 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:15:13,377 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:15:13,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3461538461538463) internal successors, (140), 104 states have internal predecessors, (140), 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 16:15:13,384 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2025-03-04 16:15:13,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:15:13,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:15:13,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:15:13,384 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:15:13,388 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#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 16:15:13,389 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#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__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#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__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:15:13,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:15:13,392 INFO L85 PathProgramCache]: Analyzing trace with hash 936046746, now seen corresponding path program 1 times [2025-03-04 16:15:13,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:15:13,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081522906] [2025-03-04 16:15:13,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:15:13,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:15:13,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:15:13,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:15:13,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,450 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:15:13,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:15:13,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:15:13,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:15:13,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:15:13,472 INFO L85 PathProgramCache]: Analyzing trace with hash -401674454, now seen corresponding path program 1 times [2025-03-04 16:15:13,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:15:13,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338660011] [2025-03-04 16:15:13,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:15:13,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:15:13,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 16:15:13,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 16:15:13,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,480 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:15:13,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 16:15:13,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 16:15:13,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:15:13,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:15:13,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1932761457, now seen corresponding path program 1 times [2025-03-04 16:15:13,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:15:13,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211075560] [2025-03-04 16:15:13,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:15:13,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:15:13,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 16:15:13,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 16:15:13,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:15:13,597 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 16:15:13,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:15:13,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211075560] [2025-03-04 16:15:13,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211075560] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:15:13,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:15:13,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:15:13,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970491221] [2025-03-04 16:15:13,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:15:13,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:15:13,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:15:13,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:15:13,692 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3461538461538463) internal successors, (140), 104 states have internal predecessors, (140), 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 7.666666666666667) internal successors, (23), 2 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) [2025-03-04 16:15:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:15:13,733 INFO L93 Difference]: Finished difference Result 189 states and 245 transitions. [2025-03-04 16:15:13,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 189 states and 245 transitions. [2025-03-04 16:15:13,737 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 116 [2025-03-04 16:15:13,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 189 states to 169 states and 224 transitions. [2025-03-04 16:15:13,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2025-03-04 16:15:13,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2025-03-04 16:15:13,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 224 transitions. [2025-03-04 16:15:13,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:15:13,752 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 224 transitions. [2025-03-04 16:15:13,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 224 transitions. [2025-03-04 16:15:13,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2025-03-04 16:15:13,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 166 states have (on average 1.3253012048192772) internal successors, (220), 165 states have internal predecessors, (220), 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 16:15:13,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2025-03-04 16:15:13,784 INFO L240 hiAutomatonCegarLoop]: Abstraction has 166 states and 220 transitions. [2025-03-04 16:15:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:15:13,789 INFO L432 stractBuchiCegarLoop]: Abstraction has 166 states and 220 transitions. [2025-03-04 16:15:13,789 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:15:13,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 220 transitions. [2025-03-04 16:15:13,791 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 116 [2025-03-04 16:15:13,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:15:13,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:15:13,792 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:15:13,792 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 16:15:13,792 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#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 16:15:13,792 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#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~0#1;havoc processEnvironment_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#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__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:15:13,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:15:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash 936046746, now seen corresponding path program 2 times [2025-03-04 16:15:13,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:15:13,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203165048] [2025-03-04 16:15:13,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:15:13,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:15:13,797 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:15:13,803 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:15:13,806 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:15:13,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,806 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:15:13,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:15:13,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:15:13,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:15:13,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:15:13,822 INFO L85 PathProgramCache]: Analyzing trace with hash 40313948, now seen corresponding path program 1 times [2025-03-04 16:15:13,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:15:13,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279895473] [2025-03-04 16:15:13,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:15:13,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:15:13,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 16:15:13,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 16:15:13,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,830 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:15:13,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 16:15:13,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 16:15:13,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:15:13,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:15:13,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1110081717, now seen corresponding path program 1 times [2025-03-04 16:15:13,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:15:13,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239318057] [2025-03-04 16:15:13,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:15:13,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:15:13,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 16:15:13,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 16:15:13,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,847 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:15:13,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 16:15:13,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 16:15:13,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:13,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:13,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:15:14,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:15:14,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:15:14,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:14,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:14,547 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:15:14,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:15:14,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:15:14,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:15:14,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:15:14,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:15:14 BoogieIcfgContainer [2025-03-04 16:15:14,596 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:15:14,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:15:14,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:15:14,596 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:15:14,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:15:13" (3/4) ... [2025-03-04 16:15:14,598 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-04 16:15:14,624 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 16:15:14,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:15:14,625 INFO L158 Benchmark]: Toolchain (without parser) took 2053.96ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 91.8MB in the end (delta: 29.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2025-03-04 16:15:14,625 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:15:14,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.05ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 103.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:15:14,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.11ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:15:14,625 INFO L158 Benchmark]: Boogie Preprocessor took 28.66ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 99.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:15:14,626 INFO L158 Benchmark]: IcfgBuilder took 361.95ms. Allocated memory is still 167.8MB. Free memory was 99.3MB in the beginning and 78.6MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:15:14,626 INFO L158 Benchmark]: BuchiAutomizer took 1287.94ms. Allocated memory is still 167.8MB. Free memory was 78.6MB in the beginning and 95.9MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:15:14,626 INFO L158 Benchmark]: Witness Printer took 28.46ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 91.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:15:14,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.05ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 103.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.11ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.66ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 99.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 361.95ms. Allocated memory is still 167.8MB. Free memory was 99.3MB in the beginning and 78.6MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1287.94ms. Allocated memory is still 167.8MB. Free memory was 78.6MB in the beginning and 95.9MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 28.46ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 91.8MB in the end (delta: 4.1MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] - GenericResultAtLocation [Line: 396]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] * 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 166 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 239 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 126 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: 302]: 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; [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L575] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L772] int cleanupTimeShifts = 4; [L870] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L388] int retValue_acc ; [L391] retValue_acc = 1 [L392] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L840] CALL __utac_acc__Specification2_spec__1() [L875] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] RET __utac_acc__Specification2_spec__1() [L841] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L302] COND TRUE 1 [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L150] COND FALSE !(\read(pumpRunning)) [L157] COND TRUE \read(systemActive) [L159] CALL processEnvironment() [L179] int tmp ; [L182] COND FALSE !(\read(pumpRunning)) [L197] FCALL processEnvironment__wrappee__base() [L159] RET processEnvironment() [L165] CALL __utac_acc__Specification2_spec__2() [L880] int tmp ; [L881] int tmp___0 ; [L885] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L885] RET, EXPR isMethaneLevelCritical() [L885] tmp = isMethaneLevelCritical() [L887] COND FALSE !(\read(tmp)) [L903] methAndRunningLastTime = 0 [L165] RET __utac_acc__Specification2_spec__2() [L347] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 302]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L575] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L772] int cleanupTimeShifts = 4; [L870] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L388] int retValue_acc ; [L391] retValue_acc = 1 [L392] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L840] CALL __utac_acc__Specification2_spec__1() [L875] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] RET __utac_acc__Specification2_spec__1() [L841] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L302] COND TRUE 1 [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L150] COND FALSE !(\read(pumpRunning)) [L157] COND TRUE \read(systemActive) [L159] CALL processEnvironment() [L179] int tmp ; [L182] COND FALSE !(\read(pumpRunning)) [L197] FCALL processEnvironment__wrappee__base() [L159] RET processEnvironment() [L165] CALL __utac_acc__Specification2_spec__2() [L880] int tmp ; [L881] int tmp___0 ; [L885] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L885] RET, EXPR isMethaneLevelCritical() [L885] tmp = isMethaneLevelCritical() [L887] COND FALSE !(\read(tmp)) [L903] methAndRunningLastTime = 0 [L165] RET __utac_acc__Specification2_spec__2() [L347] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-04 16:15:14,643 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)