./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product62.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_spec3_product62.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 4d13ffd2557e7d7902d8a5eac414f9fb7393252d85c14855e86000741be6847f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:16:19,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:16:19,464 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:16:19,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:16:19,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:16:19,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:16:19,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:16:19,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:16:19,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:16:19,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:16:19,499 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:16:19,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:16:19,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:16:19,500 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:16:19,500 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:16:19,500 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:16:19,500 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:16:19,500 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:16:19,500 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:16:19,500 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:16:19,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:16:19,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:16:19,501 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:16:19,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:16:19,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:16:19,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:16:19,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:16:19,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:16:19,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:16:19,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:16:19,502 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:16:19,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:16:19,502 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:16:19,502 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:16:19,502 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:16:19,502 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:16:19,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:16:19,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:16:19,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:16:19,503 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:16:19,503 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 -> 4d13ffd2557e7d7902d8a5eac414f9fb7393252d85c14855e86000741be6847f [2025-03-04 16:16:19,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:16:19,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:16:19,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:16:19,765 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:16:19,765 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:16:19,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c [2025-03-04 16:16:20,961 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e0e01d4/c651365914fb4246835c62a398d996bd/FLAGe1ce91a39 [2025-03-04 16:16:21,234 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:16:21,234 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c [2025-03-04 16:16:21,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e0e01d4/c651365914fb4246835c62a398d996bd/FLAGe1ce91a39 [2025-03-04 16:16:21,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e0e01d4/c651365914fb4246835c62a398d996bd [2025-03-04 16:16:21,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:16:21,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:16:21,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:16:21,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:16:21,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:16:21,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77dc2ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21, skipping insertion in model container [2025-03-04 16:16:21,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:16:21,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:16:21,807 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:16:21,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-03-04 16:16:21,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [58] [2025-03-04 16:16:21,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [95] [2025-03-04 16:16:21,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [461] [2025-03-04 16:16:21,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [570] [2025-03-04 16:16:21,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [608] [2025-03-04 16:16:21,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [861] [2025-03-04 16:16:21,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [929] [2025-03-04 16:16:21,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:16:21,862 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:16:21,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21 WrapperNode [2025-03-04 16:16:21,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:16:21,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:16:21,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:16:21,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:16:21,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,914 INFO L138 Inliner]: procedures = 58, calls = 107, calls flagged for inlining = 60, calls inlined = 180, statements flattened = 1233 [2025-03-04 16:16:21,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:16:21,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:16:21,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:16:21,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:16:21,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,941 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 16:16:21,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,954 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:16:21,962 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:16:21,962 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:16:21,962 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:16:21,963 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (1/1) ... [2025-03-04 16:16:21,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:16:21,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:16:22,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:16:22,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-04 16:16:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:16:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:16:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:16:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:16:22,080 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:16:22,081 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L831-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2025-03-04 16:16:22,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L605-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,820 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,820 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,820 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,820 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,820 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,821 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,821 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L512-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2025-03-04 16:16:22,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-03-04 16:16:22,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1022-1: main_#res#1 := main_~retValue_acc~13#1; [2025-03-04 16:16:22,851 INFO L? ?]: Removed 319 outVars from TransFormulas that were not future-live. [2025-03-04 16:16:22,851 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:16:22,861 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:16:22,862 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:16:22,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:22 BoogieIcfgContainer [2025-03-04 16:16:22,862 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:16:22,863 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:16:22,863 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:16:22,867 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:16:22,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:22,867 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:16:21" (1/3) ... [2025-03-04 16:16:22,868 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e48957f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:16:22, skipping insertion in model container [2025-03-04 16:16:22,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:22,868 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:21" (2/3) ... [2025-03-04 16:16:22,868 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e48957f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:16:22, skipping insertion in model container [2025-03-04 16:16:22,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:22,869 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:22" (3/3) ... [2025-03-04 16:16:22,869 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product62.cil.c [2025-03-04 16:16:22,905 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:16:22,905 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:16:22,905 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:16:22,905 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:16:22,905 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:16:22,905 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:16:22,905 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:16:22,905 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:16:22,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:22,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 213 [2025-03-04 16:16:22,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:22,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:22,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:22,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:22,937 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:16:22,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:22,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 213 [2025-03-04 16:16:22,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:22,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:22,947 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:22,947 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:22,951 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret55#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret55#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret55#1;havoc main_#t~ret55#1;" "assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:22,951 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:16:22,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:22,955 INFO L85 PathProgramCache]: Analyzing trace with hash -846937657, now seen corresponding path program 1 times [2025-03-04 16:16:22,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:22,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305400427] [2025-03-04 16:16:22,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:22,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:23,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:23,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,028 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:23,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:23,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:23,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:23,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,055 INFO L85 PathProgramCache]: Analyzing trace with hash 2128800510, now seen corresponding path program 1 times [2025-03-04 16:16:23,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266688642] [2025-03-04 16:16:23,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:23,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 16:16:23,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 16:16:23,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:16:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:16:23,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:16:23,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266688642] [2025-03-04 16:16:23,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266688642] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:16:23,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:16:23,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:16:23,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53892879] [2025-03-04 16:16:23,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:16:23,125 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:16:23,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:16:23,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:16:23,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:16:23,147 INFO L87 Difference]: Start difference. First operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:23,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:16:23,191 INFO L93 Difference]: Finished difference Result 320 states and 424 transitions. [2025-03-04 16:16:23,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 320 states and 424 transitions. [2025-03-04 16:16:23,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 207 [2025-03-04 16:16:23,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 320 states to 310 states and 413 transitions. [2025-03-04 16:16:23,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 310 [2025-03-04 16:16:23,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 310 [2025-03-04 16:16:23,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 310 states and 413 transitions. [2025-03-04 16:16:23,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:16:23,214 INFO L218 hiAutomatonCegarLoop]: Abstraction has 310 states and 413 transitions. [2025-03-04 16:16:23,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states and 413 transitions. [2025-03-04 16:16:23,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2025-03-04 16:16:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 310 states have (on average 1.332258064516129) internal successors, (413), 309 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 413 transitions. [2025-03-04 16:16:23,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 310 states and 413 transitions. [2025-03-04 16:16:23,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:16:23,246 INFO L432 stractBuchiCegarLoop]: Abstraction has 310 states and 413 transitions. [2025-03-04 16:16:23,246 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:16:23,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 310 states and 413 transitions. [2025-03-04 16:16:23,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 207 [2025-03-04 16:16:23,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:23,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:23,250 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:23,250 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 16:16:23,250 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret55#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret55#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret55#1;havoc main_#t~ret55#1;" "assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:23,251 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret40#1, isMethaneAlarm_~retValue_acc~9#1;havoc isMethaneAlarm_~retValue_acc~9#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "isMethaneAlarm_#t~ret40#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~9#1 := isMethaneAlarm_#t~ret40#1;havoc isMethaneAlarm_#t~ret40#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1;" "processEnvironment_#t~ret38#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret40#1, isMethaneAlarm_~retValue_acc~9#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret38#1;havoc processEnvironment_#t~ret38#1;" "assume 0 != processEnvironment_~tmp~6#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:16:23,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,252 INFO L85 PathProgramCache]: Analyzing trace with hash -846937657, now seen corresponding path program 2 times [2025-03-04 16:16:23,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568114140] [2025-03-04 16:16:23,252 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:16:23,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,258 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:23,270 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:23,270 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:16:23,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,271 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:23,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:23,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:23,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:23,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,283 INFO L85 PathProgramCache]: Analyzing trace with hash -2046336570, now seen corresponding path program 1 times [2025-03-04 16:16:23,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555064097] [2025-03-04 16:16:23,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:23,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 16:16:23,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 16:16:23,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:16:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:16:23,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:16:23,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555064097] [2025-03-04 16:16:23,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555064097] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:16:23,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:16:23,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:16:23,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315357837] [2025-03-04 16:16:23,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:16:23,328 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:16:23,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:16:23,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:16:23,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:16:23,329 INFO L87 Difference]: Start difference. First operand 310 states and 413 transitions. cyclomatic complexity: 105 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:23,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:16:23,423 INFO L93 Difference]: Finished difference Result 322 states and 408 transitions. [2025-03-04 16:16:23,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 408 transitions. [2025-03-04 16:16:23,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 220 [2025-03-04 16:16:23,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 322 states and 408 transitions. [2025-03-04 16:16:23,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 322 [2025-03-04 16:16:23,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 322 [2025-03-04 16:16:23,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 322 states and 408 transitions. [2025-03-04 16:16:23,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:16:23,430 INFO L218 hiAutomatonCegarLoop]: Abstraction has 322 states and 408 transitions. [2025-03-04 16:16:23,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states and 408 transitions. [2025-03-04 16:16:23,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2025-03-04 16:16:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 322 states have (on average 1.2670807453416149) internal successors, (408), 321 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 408 transitions. [2025-03-04 16:16:23,439 INFO L240 hiAutomatonCegarLoop]: Abstraction has 322 states and 408 transitions. [2025-03-04 16:16:23,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:16:23,440 INFO L432 stractBuchiCegarLoop]: Abstraction has 322 states and 408 transitions. [2025-03-04 16:16:23,440 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 16:16:23,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 322 states and 408 transitions. [2025-03-04 16:16:23,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 220 [2025-03-04 16:16:23,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:23,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:23,442 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:23,442 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:23,442 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret55#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret55#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret55#1;havoc main_#t~ret55#1;" "assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:23,442 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet54#1;test_~tmp___1~1#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1;" "assume 0 != test_~tmp___1~1#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret49#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret49#1;havoc isHighWaterLevel_#t~ret49#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:16:23,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,445 INFO L85 PathProgramCache]: Analyzing trace with hash -846937657, now seen corresponding path program 3 times [2025-03-04 16:16:23,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370711873] [2025-03-04 16:16:23,445 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 16:16:23,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,451 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:23,455 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:23,455 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 16:16:23,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,455 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:23,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:23,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:23,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:23,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,469 INFO L85 PathProgramCache]: Analyzing trace with hash -107393338, now seen corresponding path program 1 times [2025-03-04 16:16:23,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430764929] [2025-03-04 16:16:23,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:23,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-04 16:16:23,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 16:16:23,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,479 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:23,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-04 16:16:23,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 16:16:23,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:23,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2105862848, now seen corresponding path program 1 times [2025-03-04 16:16:23,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373279129] [2025-03-04 16:16:23,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:23,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-04 16:16:23,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-04 16:16:23,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:16:23,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:16:23,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:16:23,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373279129] [2025-03-04 16:16:23,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373279129] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:16:23,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:16:23,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 16:16:23,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824378837] [2025-03-04 16:16:23,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:16:23,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:16:23,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 16:16:23,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 16:16:23,717 INFO L87 Difference]: Start difference. First operand 322 states and 408 transitions. cyclomatic complexity: 88 Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:23,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:16:23,833 INFO L93 Difference]: Finished difference Result 637 states and 801 transitions. [2025-03-04 16:16:23,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 637 states and 801 transitions. [2025-03-04 16:16:23,837 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 440 [2025-03-04 16:16:23,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 637 states to 637 states and 801 transitions. [2025-03-04 16:16:23,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 637 [2025-03-04 16:16:23,840 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 637 [2025-03-04 16:16:23,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 637 states and 801 transitions. [2025-03-04 16:16:23,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:16:23,842 INFO L218 hiAutomatonCegarLoop]: Abstraction has 637 states and 801 transitions. [2025-03-04 16:16:23,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states and 801 transitions. [2025-03-04 16:16:23,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2025-03-04 16:16:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 637 states have (on average 1.2574568288854002) internal successors, (801), 636 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 801 transitions. [2025-03-04 16:16:23,865 INFO L240 hiAutomatonCegarLoop]: Abstraction has 637 states and 801 transitions. [2025-03-04 16:16:23,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 16:16:23,866 INFO L432 stractBuchiCegarLoop]: Abstraction has 637 states and 801 transitions. [2025-03-04 16:16:23,867 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-04 16:16:23,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 637 states and 801 transitions. [2025-03-04 16:16:23,869 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 440 [2025-03-04 16:16:23,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:23,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:23,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:23,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:23,871 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret55#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret55#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret55#1;havoc main_#t~ret55#1;" "assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:23,871 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret49#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret49#1;havoc isHighWaterLevel_#t~ret49#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:16:23,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,871 INFO L85 PathProgramCache]: Analyzing trace with hash -846937657, now seen corresponding path program 4 times [2025-03-04 16:16:23,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461313032] [2025-03-04 16:16:23,871 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 16:16:23,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,876 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 7 statements into 2 equivalence classes. [2025-03-04 16:16:23,884 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:23,884 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 16:16:23,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,885 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:23,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:23,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:23,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:23,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2011422372, now seen corresponding path program 1 times [2025-03-04 16:16:23,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043464073] [2025-03-04 16:16:23,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:23,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 16:16:23,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 16:16:23,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,897 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:23,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 16:16:23,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 16:16:23,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:23,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1353161698, now seen corresponding path program 1 times [2025-03-04 16:16:23,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:23,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972986821] [2025-03-04 16:16:23,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:23,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:23,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 16:16:23,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 16:16:23,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,919 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:23,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 16:16:23,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 16:16:23,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:23,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:23,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:24,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:24,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:24,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:24,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:24,656 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:24,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:24,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:24,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:24,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:24,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:16:24 BoogieIcfgContainer [2025-03-04 16:16:24,695 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:16:24,695 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:16:24,695 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:16:24,695 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:16:24,696 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:22" (3/4) ... [2025-03-04 16:16:24,697 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-04 16:16:24,728 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 16:16:24,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:16:24,733 INFO L158 Benchmark]: Toolchain (without parser) took 3196.46ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 113.5MB in the beginning and 253.1MB in the end (delta: -139.6MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2025-03-04 16:16:24,733 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:24,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.12ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 94.8MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:16:24,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.58ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 90.1MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:16:24,734 INFO L158 Benchmark]: Boogie Preprocessor took 47.30ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 86.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:24,734 INFO L158 Benchmark]: IcfgBuilder took 899.90ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 100.2MB in the end (delta: -14.7MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2025-03-04 16:16:24,734 INFO L158 Benchmark]: BuchiAutomizer took 1831.79ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 100.2MB in the beginning and 256.6MB in the end (delta: -156.3MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2025-03-04 16:16:24,735 INFO L158 Benchmark]: Witness Printer took 36.05ms. Allocated memory is still 385.9MB. Free memory was 256.6MB in the beginning and 253.1MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:24,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.12ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 94.8MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.58ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 90.1MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.30ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 86.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 899.90ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 100.2MB in the end (delta: -14.7MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1831.79ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 100.2MB in the beginning and 256.6MB in the end (delta: -156.3MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. * Witness Printer took 36.05ms. Allocated memory is still 385.9MB. Free memory was 256.6MB in the beginning and 253.1MB in the end (delta: 3.4MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [58] - GenericResultAtLocation [Line: 95]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [95] - GenericResultAtLocation [Line: 461]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [461] - GenericResultAtLocation [Line: 570]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [570] - GenericResultAtLocation [Line: 608]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [608] - GenericResultAtLocation [Line: 861]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [861] - GenericResultAtLocation [Line: 929]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [929] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 637 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 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, 927 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 927 mSDsluCounter, 2327 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1206 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 1121 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 873]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L265] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L468] int waterLevel = 1; [L469] int methaneLevelCritical = 0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L930] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1003] int retValue_acc ; [L1004] int tmp ; [L1008] FCALL select_helpers() [L1009] FCALL select_features() [L1010] CALL, EXPR valid_product() [L600] int retValue_acc ; [L603] retValue_acc = 1 [L604] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1010] RET, EXPR valid_product() [L1010] tmp = valid_product() [L1012] COND TRUE \read(tmp) [L1014] FCALL setup() [L1015] CALL runTest() [L997] CALL test() [L864] int splverifierCounter ; [L865] int tmp ; [L866] int tmp___0 ; [L867] int tmp___1 ; [L868] int tmp___2 ; [L871] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L873] COND TRUE 1 [L875] COND TRUE splverifierCounter < 4 [L881] tmp = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp)) [L891] tmp___0 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___0)) [L901] tmp___2 = __VERIFIER_nondet_int() [L903] COND TRUE \read(tmp___2) [L905] CALL startSystem() [L857] systemActive = 1 [L905] RET startSystem() [L918] CALL timeShift() [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L630] CALL processEnvironment() [L702] int tmp ; [L705] COND FALSE !(\read(pumpRunning)) [L720] CALL processEnvironment__wrappee__methaneQuery() [L676] int tmp ; [L679] COND FALSE !(\read(pumpRunning)) [L694] CALL processEnvironment__wrappee__highWaterSensor() [L650] int tmp ; [L653] COND TRUE ! pumpRunning [L655] CALL, EXPR isHighWaterLevel() [L816] int retValue_acc ; [L817] int tmp ; [L818] int tmp___0 ; [L822] CALL, EXPR isHighWaterSensorDry() [L548] int retValue_acc ; [L551] COND TRUE waterLevel < 2 [L552] retValue_acc = 1 [L553] return (retValue_acc); [L822] RET, EXPR isHighWaterSensorDry() [L822] tmp = isHighWaterSensorDry() [L824] COND TRUE \read(tmp) [L825] tmp___0 = 0 [L829] retValue_acc = tmp___0 [L830] return (retValue_acc); [L655] RET, EXPR isHighWaterLevel() [L655] tmp = isHighWaterLevel() [L657] COND FALSE !(\read(tmp)) [L663] FCALL processEnvironment__wrappee__base() [L694] RET processEnvironment__wrappee__highWaterSensor() [L720] RET processEnvironment__wrappee__methaneQuery() [L630] RET processEnvironment() [L636] CALL __utac_acc__Specification3_spec__1() [L63] int tmp ; [L64] int tmp___0 ; [L65] int tmp___1 ; [L69] CALL, EXPR isMethaneLevelCritical() [L507] int retValue_acc ; [L510] retValue_acc = methaneLevelCritical [L511] return (retValue_acc); [L69] RET, EXPR isMethaneLevelCritical() [L69] tmp = isMethaneLevelCritical() [L71] COND FALSE !(\read(tmp)) [L75] CALL, EXPR getWaterLevel() [L539] int retValue_acc ; [L542] retValue_acc = waterLevel [L543] return (retValue_acc); [L75] RET, EXPR getWaterLevel() [L75] tmp___0 = getWaterLevel() [L77] COND FALSE !(tmp___0 == 2) [L636] RET __utac_acc__Specification3_spec__1() [L918] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 873]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L265] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L468] int waterLevel = 1; [L469] int methaneLevelCritical = 0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L930] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1003] int retValue_acc ; [L1004] int tmp ; [L1008] FCALL select_helpers() [L1009] FCALL select_features() [L1010] CALL, EXPR valid_product() [L600] int retValue_acc ; [L603] retValue_acc = 1 [L604] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1010] RET, EXPR valid_product() [L1010] tmp = valid_product() [L1012] COND TRUE \read(tmp) [L1014] FCALL setup() [L1015] CALL runTest() [L997] CALL test() [L864] int splverifierCounter ; [L865] int tmp ; [L866] int tmp___0 ; [L867] int tmp___1 ; [L868] int tmp___2 ; [L871] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L873] COND TRUE 1 [L875] COND TRUE splverifierCounter < 4 [L881] tmp = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp)) [L891] tmp___0 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___0)) [L901] tmp___2 = __VERIFIER_nondet_int() [L903] COND TRUE \read(tmp___2) [L905] CALL startSystem() [L857] systemActive = 1 [L905] RET startSystem() [L918] CALL timeShift() [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L630] CALL processEnvironment() [L702] int tmp ; [L705] COND FALSE !(\read(pumpRunning)) [L720] CALL processEnvironment__wrappee__methaneQuery() [L676] int tmp ; [L679] COND FALSE !(\read(pumpRunning)) [L694] CALL processEnvironment__wrappee__highWaterSensor() [L650] int tmp ; [L653] COND TRUE ! pumpRunning [L655] CALL, EXPR isHighWaterLevel() [L816] int retValue_acc ; [L817] int tmp ; [L818] int tmp___0 ; [L822] CALL, EXPR isHighWaterSensorDry() [L548] int retValue_acc ; [L551] COND TRUE waterLevel < 2 [L552] retValue_acc = 1 [L553] return (retValue_acc); [L822] RET, EXPR isHighWaterSensorDry() [L822] tmp = isHighWaterSensorDry() [L824] COND TRUE \read(tmp) [L825] tmp___0 = 0 [L829] retValue_acc = tmp___0 [L830] return (retValue_acc); [L655] RET, EXPR isHighWaterLevel() [L655] tmp = isHighWaterLevel() [L657] COND FALSE !(\read(tmp)) [L663] FCALL processEnvironment__wrappee__base() [L694] RET processEnvironment__wrappee__highWaterSensor() [L720] RET processEnvironment__wrappee__methaneQuery() [L630] RET processEnvironment() [L636] CALL __utac_acc__Specification3_spec__1() [L63] int tmp ; [L64] int tmp___0 ; [L65] int tmp___1 ; [L69] CALL, EXPR isMethaneLevelCritical() [L507] int retValue_acc ; [L510] retValue_acc = methaneLevelCritical [L511] return (retValue_acc); [L69] RET, EXPR isMethaneLevelCritical() [L69] tmp = isMethaneLevelCritical() [L71] COND FALSE !(\read(tmp)) [L75] CALL, EXPR getWaterLevel() [L539] int retValue_acc ; [L542] retValue_acc = waterLevel [L543] return (retValue_acc); [L75] RET, EXPR getWaterLevel() [L75] tmp___0 = getWaterLevel() [L77] COND FALSE !(tmp___0 == 2) [L636] RET __utac_acc__Specification3_spec__1() [L918] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-04 16:16:24,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)