./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product05.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_spec5_product05.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 9a99cd47cb89075c534de557ec34a8319cd4d0f3080d4e7f4d1690c11fbbfbd6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:17:01,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:17:01,768 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:17:01,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:17:01,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:17:01,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:17:01,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:17:01,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:17:01,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:17:01,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:17:01,793 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:17:01,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:17:01,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:17:01,794 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:17:01,794 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:17:01,794 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:17:01,794 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:17:01,794 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:17:01,794 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:17:01,794 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:17:01,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:17:01,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:17:01,796 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:17:01,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:17:01,796 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:17:01,796 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:17:01,796 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:17:01,796 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:17:01,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:17:01,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:17:01,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:17:01,797 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:17:01,797 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 -> 9a99cd47cb89075c534de557ec34a8319cd4d0f3080d4e7f4d1690c11fbbfbd6 [2025-03-04 16:17:02,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:17:02,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:17:02,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:17:02,025 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:17:02,025 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:17:02,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2025-03-04 16:17:03,095 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6e51a2f/30e68072aa744c73af05596988cd2ab3/FLAG437ee9e12 [2025-03-04 16:17:03,366 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:17:03,367 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2025-03-04 16:17:03,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6e51a2f/30e68072aa744c73af05596988cd2ab3/FLAG437ee9e12 [2025-03-04 16:17:03,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6e51a2f/30e68072aa744c73af05596988cd2ab3 [2025-03-04 16:17:03,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:17:03,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:17:03,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:17:03,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:17:03,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:17:03,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:17:03" (1/1) ... [2025-03-04 16:17:03,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1425b6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:03, skipping insertion in model container [2025-03-04 16:17:03,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:17:03" (1/1) ... [2025-03-04 16:17:03,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:17:03,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:17:03,933 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:17:03,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2025-03-04 16:17:03,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] [2025-03-04 16:17:03,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [244] [2025-03-04 16:17:03,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [312] [2025-03-04 16:17:03,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [678] [2025-03-04 16:17:03,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [687] [2025-03-04 16:17:03,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [787] [2025-03-04 16:17:03,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [867] [2025-03-04 16:17:03,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:17:04,008 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:17:04,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04 WrapperNode [2025-03-04 16:17:04,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:17:04,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:17:04,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:17:04,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:17:04,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,044 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 57, statements flattened = 343 [2025-03-04 16:17:04,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:17:04,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:17:04,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:17:04,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:17:04,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,066 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 16:17:04,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,070 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:17:04,075 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:17:04,075 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:17:04,075 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:17:04,076 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (1/1) ... [2025-03-04 16:17:04,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:17:04,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:17:04,098 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 16:17:04,104 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 16:17:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:17:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:17:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:17:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:17:04,164 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:17:04,166 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L864-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L864-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L864-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L899-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-1: main_#res#1 := main_~retValue_acc~5#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L196-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L196-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-04 16:17:04,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L196-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-04 16:17:04,454 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-03-04 16:17:04,454 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:17:04,463 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:17:04,464 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:17:04,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:17:04 BoogieIcfgContainer [2025-03-04 16:17:04,464 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:17:04,465 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:17:04,465 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:17:04,468 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:17:04,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:17:04,469 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:17:03" (1/3) ... [2025-03-04 16:17:04,469 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c0d3e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:17:04, skipping insertion in model container [2025-03-04 16:17:04,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:17:04,469 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:04" (2/3) ... [2025-03-04 16:17:04,470 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c0d3e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:17:04, skipping insertion in model container [2025-03-04 16:17:04,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:17:04,470 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:17:04" (3/3) ... [2025-03-04 16:17:04,471 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product05.cil.c [2025-03-04 16:17:04,507 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:17:04,507 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:17:04,508 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:17:04,509 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:17:04,509 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:17:04,509 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:17:04,509 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:17:04,509 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:17:04,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.330188679245283) internal successors, (141), 106 states have internal predecessors, (141), 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 16:17:04,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2025-03-04 16:17:04,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:04,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:04,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:04,532 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:04,532 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:17:04,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.330188679245283) internal successors, (141), 106 states have internal predecessors, (141), 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 16:17:04,537 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2025-03-04 16:17:04,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:04,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:04,538 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:04,538 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:04,541 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:17:04,541 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:17:04,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:04,545 INFO L85 PathProgramCache]: Analyzing trace with hash 130147866, now seen corresponding path program 1 times [2025-03-04 16:17:04,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:04,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178701233] [2025-03-04 16:17:04,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:04,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:04,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:04,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:04,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:04,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:04,610 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:04,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:04,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:04,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:04,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:04,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:04,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:04,640 INFO L85 PathProgramCache]: Analyzing trace with hash -329374159, now seen corresponding path program 1 times [2025-03-04 16:17:04,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:04,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5896685] [2025-03-04 16:17:04,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:04,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:04,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 16:17:04,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 16:17:04,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:04,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:04,651 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:04,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 16:17:04,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 16:17:04,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:04,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:04,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:04,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:04,664 INFO L85 PathProgramCache]: Analyzing trace with hash -2111564488, now seen corresponding path program 1 times [2025-03-04 16:17:04,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:04,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515575328] [2025-03-04 16:17:04,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:04,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:04,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 16:17:04,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 16:17:04,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:04,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:17:04,875 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 16:17:04,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:17:04,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515575328] [2025-03-04 16:17:04,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515575328] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:17:04,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:17:04,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 16:17:04,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336257315] [2025-03-04 16:17:04,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:17:04,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:17:05,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 16:17:05,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 16:17:05,008 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.330188679245283) internal successors, (141), 106 states have internal predecessors, (141), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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 16:17:05,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:17:05,070 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2025-03-04 16:17:05,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 126 transitions. [2025-03-04 16:17:05,074 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2025-03-04 16:17:05,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 116 transitions. [2025-03-04 16:17:05,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2025-03-04 16:17:05,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2025-03-04 16:17:05,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2025-03-04 16:17:05,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:17:05,080 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 116 transitions. [2025-03-04 16:17:05,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2025-03-04 16:17:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-03-04 16:17:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 90 states have internal predecessors, (116), 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 16:17:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2025-03-04 16:17:05,101 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 116 transitions. [2025-03-04 16:17:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 16:17:05,104 INFO L432 stractBuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2025-03-04 16:17:05,104 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:17:05,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 116 transitions. [2025-03-04 16:17:05,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2025-03-04 16:17:05,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:05,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:05,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:05,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:05,105 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:17:05,105 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:17:05,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:05,106 INFO L85 PathProgramCache]: Analyzing trace with hash 130147866, now seen corresponding path program 2 times [2025-03-04 16:17:05,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:05,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692204193] [2025-03-04 16:17:05,106 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:17:05,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:05,110 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:05,117 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:05,121 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:17:05,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,122 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:05,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:05,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:05,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:05,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:05,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2135168383, now seen corresponding path program 1 times [2025-03-04 16:17:05,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:05,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656079247] [2025-03-04 16:17:05,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:05,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:05,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 16:17:05,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 16:17:05,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,151 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:05,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 16:17:05,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 16:17:05,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:05,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:05,155 INFO L85 PathProgramCache]: Analyzing trace with hash -981546470, now seen corresponding path program 1 times [2025-03-04 16:17:05,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:05,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002503730] [2025-03-04 16:17:05,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:05,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:05,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 16:17:05,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 16:17:05,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:17:05,226 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 16:17:05,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:17:05,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002503730] [2025-03-04 16:17:05,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002503730] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:17:05,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:17:05,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 16:17:05,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103226053] [2025-03-04 16:17:05,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:17:05,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:17:05,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 16:17:05,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 16:17:05,272 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 16:17:05,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:17:05,340 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2025-03-04 16:17:05,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 213 transitions. [2025-03-04 16:17:05,345 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 114 [2025-03-04 16:17:05,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 170 states and 213 transitions. [2025-03-04 16:17:05,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2025-03-04 16:17:05,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 170 [2025-03-04 16:17:05,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 170 states and 213 transitions. [2025-03-04 16:17:05,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:17:05,347 INFO L218 hiAutomatonCegarLoop]: Abstraction has 170 states and 213 transitions. [2025-03-04 16:17:05,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states and 213 transitions. [2025-03-04 16:17:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2025-03-04 16:17:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 170 states have (on average 1.2529411764705882) internal successors, (213), 169 states have internal predecessors, (213), 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 16:17:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 213 transitions. [2025-03-04 16:17:05,352 INFO L240 hiAutomatonCegarLoop]: Abstraction has 170 states and 213 transitions. [2025-03-04 16:17:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 16:17:05,353 INFO L432 stractBuchiCegarLoop]: Abstraction has 170 states and 213 transitions. [2025-03-04 16:17:05,353 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 16:17:05,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 170 states and 213 transitions. [2025-03-04 16:17:05,354 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 114 [2025-03-04 16:17:05,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:05,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:05,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:05,354 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:05,355 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:17:05,355 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:17:05,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:05,355 INFO L85 PathProgramCache]: Analyzing trace with hash 130147866, now seen corresponding path program 3 times [2025-03-04 16:17:05,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:05,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610005888] [2025-03-04 16:17:05,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 16:17:05,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:05,359 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:05,360 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:05,361 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 16:17:05,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,361 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:05,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:05,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:05,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:05,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:05,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1096940735, now seen corresponding path program 1 times [2025-03-04 16:17:05,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:05,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394684056] [2025-03-04 16:17:05,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:05,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:05,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 16:17:05,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 16:17:05,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,368 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:05,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 16:17:05,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 16:17:05,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:05,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:05,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1626036760, now seen corresponding path program 1 times [2025-03-04 16:17:05,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:05,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015897944] [2025-03-04 16:17:05,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:05,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:05,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-04 16:17:05,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-04 16:17:05,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,377 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:05,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-04 16:17:05,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-04 16:17:05,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:05,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:05,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:06,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:06,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:06,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:06,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:06,105 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:06,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:06,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:06,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:06,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:06,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:17:06 BoogieIcfgContainer [2025-03-04 16:17:06,159 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:17:06,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:17:06,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:17:06,160 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:17:06,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:17:04" (3/4) ... [2025-03-04 16:17:06,161 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-04 16:17:06,198 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 16:17:06,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:17:06,200 INFO L158 Benchmark]: Toolchain (without parser) took 2518.64ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 80.5MB in the end (delta: 24.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2025-03-04 16:17:06,200 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:17:06,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.55ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 88.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:17:06,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.65ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 85.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:17:06,200 INFO L158 Benchmark]: Boogie Preprocessor took 29.04ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 83.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:17:06,201 INFO L158 Benchmark]: IcfgBuilder took 389.24ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 62.8MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:17:06,201 INFO L158 Benchmark]: BuchiAutomizer took 1694.42ms. Allocated memory is still 142.6MB. Free memory was 62.8MB in the beginning and 84.3MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:17:06,201 INFO L158 Benchmark]: Witness Printer took 38.82ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 80.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:17:06,202 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 115.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.55ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 88.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.65ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 85.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.04ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 83.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 389.24ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 62.8MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1694.42ms. Allocated memory is still 142.6MB. Free memory was 62.8MB in the beginning and 84.3MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.82ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 80.5MB in the end (delta: 3.8MB). 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] - GenericResultAtLocation [Line: 244]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [244] - GenericResultAtLocation [Line: 312]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [312] - GenericResultAtLocation [Line: 678]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [678] - GenericResultAtLocation [Line: 687]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [687] - GenericResultAtLocation [Line: 787]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [787] - GenericResultAtLocation [Line: 867]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [867] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 170 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 312 mSDsluCounter, 846 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 590 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 256 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 258]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L109] int pumpRunning = 0; [L110] int systemActive = 1; [L482] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L688] int cleanupTimeShifts = 4; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L765] int retValue_acc ; [L766] int tmp ; [L770] FCALL select_helpers() [L771] FCALL select_features() [L772] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L772] RET, EXPR valid_product() [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) [L776] FCALL setup() [L777] CALL runTest() [L755] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L755] RET __utac_acc__Specification5_spec__1() [L756] CALL test() [L249] int splverifierCounter ; [L250] int tmp ; [L251] int tmp___0 ; [L252] int tmp___1 ; [L253] int tmp___2 ; [L256] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L258] COND TRUE 1 [L260] COND TRUE splverifierCounter < 4 [L266] tmp = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp)) [L276] tmp___0 = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp___0)) [L286] tmp___2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp___2) [L301] CALL timeShift() [L117] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L117] RET __utac_acc__Specification5_spec__2() [L119] COND FALSE !(\read(pumpRunning)) [L126] COND TRUE \read(systemActive) [L128] CALL processEnvironment() [L148] int tmp ; [L151] COND FALSE !(\read(pumpRunning)) [L166] FCALL processEnvironment__wrappee__base() [L128] RET processEnvironment() [L134] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L134] RET __utac_acc__Specification5_spec__3() [L301] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 258]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L109] int pumpRunning = 0; [L110] int systemActive = 1; [L482] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L688] int cleanupTimeShifts = 4; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L765] int retValue_acc ; [L766] int tmp ; [L770] FCALL select_helpers() [L771] FCALL select_features() [L772] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L772] RET, EXPR valid_product() [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) [L776] FCALL setup() [L777] CALL runTest() [L755] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L755] RET __utac_acc__Specification5_spec__1() [L756] CALL test() [L249] int splverifierCounter ; [L250] int tmp ; [L251] int tmp___0 ; [L252] int tmp___1 ; [L253] int tmp___2 ; [L256] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L258] COND TRUE 1 [L260] COND TRUE splverifierCounter < 4 [L266] tmp = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp)) [L276] tmp___0 = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp___0)) [L286] tmp___2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp___2) [L301] CALL timeShift() [L117] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L117] RET __utac_acc__Specification5_spec__2() [L119] COND FALSE !(\read(pumpRunning)) [L126] COND TRUE \read(systemActive) [L128] CALL processEnvironment() [L148] int tmp ; [L151] COND FALSE !(\read(pumpRunning)) [L166] FCALL processEnvironment__wrappee__base() [L128] RET processEnvironment() [L134] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L134] RET __utac_acc__Specification5_spec__3() [L301] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-04 16:17:06,217 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)