./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed 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_spec1_product56.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 a24146f0f51336ad73890bbd928f5403b02b7d1c9a9c70cce136ffcb124619cc --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:29:19,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:29:19,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:29:19,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:29:19,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:29:19,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:29:19,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:29:19,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:29:19,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:29:19,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:29:19,669 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:29:19,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:29:19,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:29:19,670 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:29:19,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:29:19,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:29:19,671 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:29:19,671 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:29:19,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:29:19,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:29:19,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:29:19,672 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:29:19,672 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 -> a24146f0f51336ad73890bbd928f5403b02b7d1c9a9c70cce136ffcb124619cc [2025-03-09 07:29:19,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:29:19,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:29:19,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:29:19,978 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:29:19,979 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:29:19,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2025-03-09 07:29:21,142 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6399cad/eded2828effd4f18810232cbcb702459/FLAG03fb8f012 [2025-03-09 07:29:21,367 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:29:21,368 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2025-03-09 07:29:21,378 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6399cad/eded2828effd4f18810232cbcb702459/FLAG03fb8f012 [2025-03-09 07:29:21,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6399cad/eded2828effd4f18810232cbcb702459 [2025-03-09 07:29:21,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:29:21,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:29:21,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:21,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:29:21,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:29:21,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:21,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d9d22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21, skipping insertion in model container [2025-03-09 07:29:21,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:21,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:29:21,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:21,923 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:29:21,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2025-03-09 07:29:21,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] [2025-03-09 07:29:21,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] [2025-03-09 07:29:21,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [746] [2025-03-09 07:29:21,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [784] [2025-03-09 07:29:21,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [811] [2025-03-09 07:29:21,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [820] [2025-03-09 07:29:21,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916] [2025-03-09 07:29:21,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:21,991 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:29:21,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21 WrapperNode [2025-03-09 07:29:21,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:21,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:21,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:29:21,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:29:21,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,039 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 59, calls inlined = 143, statements flattened = 955 [2025-03-09 07:29:22,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:22,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:29:22,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:29:22,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:29:22,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,064 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]. [2025-03-09 07:29:22,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:29:22,086 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:29:22,088 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:29:22,088 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:29:22,090 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (1/1) ... [2025-03-09 07:29:22,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:29:22,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:29:22,118 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) [2025-03-09 07:29:22,120 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 [2025-03-09 07:29:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:29:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:29:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:29:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:29:22,196 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:29:22,201 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:29:22,804 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L962-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:22,804 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L962-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:22,805 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L962-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:22,805 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L962-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:22,805 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L962-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:22,805 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L962-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:22,805 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,805 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,805 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,805 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L637-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L637-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L637-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,806 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,807 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1008-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:22,807 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L646-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-09 07:29:22,807 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L646-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-09 07:29:22,807 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L646-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-09 07:29:22,807 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L913-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-09 07:29:22,807 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L781-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2025-03-09 07:29:22,808 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:22,808 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:22,808 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:22,808 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:22,808 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:22,808 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-09 07:29:22,808 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:22,808 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-09 07:29:22,809 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-09 07:29:22,809 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-09 07:29:22,809 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-09 07:29:22,809 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-09 07:29:22,839 INFO L? ?]: Removed 235 outVars from TransFormulas that were not future-live. [2025-03-09 07:29:22,839 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:29:22,854 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:29:22,857 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:29:22,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:22 BoogieIcfgContainer [2025-03-09 07:29:22,858 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:29:22,859 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:29:22,859 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:29:22,863 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:29:22,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:22,863 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:29:21" (1/3) ... [2025-03-09 07:29:22,864 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48b3a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:22, skipping insertion in model container [2025-03-09 07:29:22,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:22,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:21" (2/3) ... [2025-03-09 07:29:22,865 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48b3a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:22, skipping insertion in model container [2025-03-09 07:29:22,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:22,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:22" (3/3) ... [2025-03-09 07:29:22,866 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product56.cil.c [2025-03-09 07:29:22,911 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:29:22,912 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:29:22,912 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:29:22,912 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:29:22,912 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:29:22,913 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:29:22,913 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:29:22,913 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:29:22,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 274 states, 273 states have (on average 1.3626373626373627) internal successors, (372), 273 states have internal predecessors, (372), 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) [2025-03-09 07:29:22,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 179 [2025-03-09 07:29:22,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:22,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:22,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:22,952 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:22,952 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:29:22,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 274 states, 273 states have (on average 1.3626373626373627) internal successors, (372), 273 states have internal predecessors, (372), 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) [2025-03-09 07:29:22,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 179 [2025-03-09 07:29:22,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:22,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:22,967 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:22,967 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:22,972 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#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~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:22,972 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~9#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~9#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~9#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~9#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~9#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:22,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:22,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1199269898, now seen corresponding path program 1 times [2025-03-09 07:29:22,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:22,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557477351] [2025-03-09 07:29:22,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:22,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:23,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:23,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:23,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,046 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:23,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:23,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:23,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:23,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:23,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1478482098, now seen corresponding path program 1 times [2025-03-09 07:29:23,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:23,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749869574] [2025-03-09 07:29:23,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:23,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:29:23,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:29:23,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,076 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:23,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:29:23,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:29:23,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:23,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:23,083 INFO L85 PathProgramCache]: Analyzing trace with hash -74957431, now seen corresponding path program 1 times [2025-03-09 07:29:23,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:23,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148261748] [2025-03-09 07:29:23,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:23,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:23,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 07:29:23,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 07:29:23,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:29:23,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:23,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148261748] [2025-03-09 07:29:23,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148261748] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:23,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:23,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 07:29:23,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250777295] [2025-03-09 07:29:23,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:23,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:23,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 07:29:23,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 07:29:23,338 INFO L87 Difference]: Start difference. First operand has 274 states, 273 states have (on average 1.3626373626373627) internal successors, (372), 273 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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) [2025-03-09 07:29:23,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:23,470 INFO L93 Difference]: Finished difference Result 588 states and 786 transitions. [2025-03-09 07:29:23,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 588 states and 786 transitions. [2025-03-09 07:29:23,480 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 383 [2025-03-09 07:29:23,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 588 states to 558 states and 756 transitions. [2025-03-09 07:29:23,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 558 [2025-03-09 07:29:23,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 558 [2025-03-09 07:29:23,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 558 states and 756 transitions. [2025-03-09 07:29:23,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:23,500 INFO L218 hiAutomatonCegarLoop]: Abstraction has 558 states and 756 transitions. [2025-03-09 07:29:23,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states and 756 transitions. [2025-03-09 07:29:23,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 306. [2025-03-09 07:29:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 306 states have (on average 1.3529411764705883) internal successors, (414), 305 states have internal predecessors, (414), 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) [2025-03-09 07:29:23,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 414 transitions. [2025-03-09 07:29:23,527 INFO L240 hiAutomatonCegarLoop]: Abstraction has 306 states and 414 transitions. [2025-03-09 07:29:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 07:29:23,532 INFO L432 stractBuchiCegarLoop]: Abstraction has 306 states and 414 transitions. [2025-03-09 07:29:23,532 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:29:23,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 306 states and 414 transitions. [2025-03-09 07:29:23,536 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2025-03-09 07:29:23,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:23,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:23,536 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:23,536 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] [2025-03-09 07:29:23,536 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#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~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:23,536 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#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~ret34#1, isMethaneAlarm_~retValue_acc~3#1;havoc isMethaneAlarm_~retValue_acc~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "isMethaneAlarm_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3#1 := isMethaneAlarm_#t~ret34#1;havoc isMethaneAlarm_#t~ret34#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1;" "processEnvironment_#t~ret33#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret34#1, isMethaneAlarm_~retValue_acc~3#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret33#1;havoc processEnvironment_#t~ret33#1;" "assume 0 != processEnvironment_~tmp~6#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~9#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~9#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~9#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~9#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~9#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:23,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:23,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1199269898, now seen corresponding path program 2 times [2025-03-09 07:29:23,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:23,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112419458] [2025-03-09 07:29:23,538 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:29:23,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:23,542 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:23,545 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:23,546 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:29:23,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,546 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:23,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:23,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:23,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:23,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:23,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1630658494, now seen corresponding path program 1 times [2025-03-09 07:29:23,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:23,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943938961] [2025-03-09 07:29:23,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:23,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:23,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 07:29:23,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 07:29:23,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:29:23,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:23,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943938961] [2025-03-09 07:29:23,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943938961] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:23,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:23,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:29:23,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008166957] [2025-03-09 07:29:23,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:23,583 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:29:23,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:23,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:29:23,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:29:23,584 INFO L87 Difference]: Start difference. First operand 306 states and 414 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-09 07:29:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:23,666 INFO L93 Difference]: Finished difference Result 308 states and 393 transitions. [2025-03-09 07:29:23,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 308 states and 393 transitions. [2025-03-09 07:29:23,668 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 215 [2025-03-09 07:29:23,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 308 states to 308 states and 393 transitions. [2025-03-09 07:29:23,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 308 [2025-03-09 07:29:23,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 308 [2025-03-09 07:29:23,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 393 transitions. [2025-03-09 07:29:23,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:23,675 INFO L218 hiAutomatonCegarLoop]: Abstraction has 308 states and 393 transitions. [2025-03-09 07:29:23,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 393 transitions. [2025-03-09 07:29:23,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2025-03-09 07:29:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 308 states have (on average 1.275974025974026) internal successors, (393), 307 states have internal predecessors, (393), 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) [2025-03-09 07:29:23,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 393 transitions. [2025-03-09 07:29:23,688 INFO L240 hiAutomatonCegarLoop]: Abstraction has 308 states and 393 transitions. [2025-03-09 07:29:23,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:29:23,689 INFO L432 stractBuchiCegarLoop]: Abstraction has 308 states and 393 transitions. [2025-03-09 07:29:23,689 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 07:29:23,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 393 transitions. [2025-03-09 07:29:23,690 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 215 [2025-03-09 07:29:23,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:23,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:23,691 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:23,691 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] [2025-03-09 07:29:23,691 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#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~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:23,691 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret32#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#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~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#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~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret32#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~9#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~9#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~9#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~9#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~9#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:23,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:23,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1199269898, now seen corresponding path program 3 times [2025-03-09 07:29:23,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:23,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5926213] [2025-03-09 07:29:23,694 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:29:23,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:23,698 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:23,702 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:23,702 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 07:29:23,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,702 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:23,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:23,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:23,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:23,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:23,711 INFO L85 PathProgramCache]: Analyzing trace with hash -2036711989, now seen corresponding path program 1 times [2025-03-09 07:29:23,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:23,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848473938] [2025-03-09 07:29:23,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:23,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:23,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:29:23,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:29:23,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,722 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:23,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:29:23,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:29:23,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:23,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:23,735 INFO L85 PathProgramCache]: Analyzing trace with hash 3714644, now seen corresponding path program 1 times [2025-03-09 07:29:23,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:23,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649402899] [2025-03-09 07:29:23,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:23,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:23,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 07:29:23,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 07:29:23,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,746 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:23,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 07:29:23,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 07:29:23,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:23,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:23,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:24,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:24,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:24,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:24,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:24,394 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:24,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:24,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:24,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:24,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:24,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:29:24 BoogieIcfgContainer [2025-03-09 07:29:24,443 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:29:24,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:29:24,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:29:24,443 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:29:24,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:22" (3/4) ... [2025-03-09 07:29:24,446 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:29:24,481 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:29:24,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:29:24,483 INFO L158 Benchmark]: Toolchain (without parser) took 2781.92ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 112.7MB in the end (delta: 8.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2025-03-09 07:29:24,483 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:24,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.82ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 102.3MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:29:24,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.03ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 98.4MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:29:24,484 INFO L158 Benchmark]: Boogie Preprocessor took 44.17ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 95.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:24,484 INFO L158 Benchmark]: IcfgBuilder took 771.89ms. Allocated memory is still 167.8MB. Free memory was 94.8MB in the beginning and 51.1MB in the end (delta: 43.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-09 07:29:24,484 INFO L158 Benchmark]: BuchiAutomizer took 1583.91ms. Allocated memory is still 167.8MB. Free memory was 50.6MB in the beginning and 115.6MB in the end (delta: -65.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:24,484 INFO L158 Benchmark]: Witness Printer took 37.76ms. Allocated memory is still 167.8MB. Free memory was 115.6MB in the beginning and 112.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:24,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.82ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 102.3MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.03ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 98.4MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.17ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 95.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 771.89ms. Allocated memory is still 167.8MB. Free memory was 94.8MB in the beginning and 51.1MB in the end (delta: 43.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1583.91ms. Allocated memory is still 167.8MB. Free memory was 50.6MB in the beginning and 115.6MB in the end (delta: -65.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.76ms. Allocated memory is still 167.8MB. Free memory was 115.6MB in the beginning and 112.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] - GenericResultAtLocation [Line: 746]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [746] - GenericResultAtLocation [Line: 784]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [784] - GenericResultAtLocation [Line: 811]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [811] - GenericResultAtLocation [Line: 820]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [820] - GenericResultAtLocation [Line: 916]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 308 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 252 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 867 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 867 mSDsluCounter, 1953 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1317 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 636 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 432]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L821] int cleanupTimeShifts = 4; [L918] int waterLevel = 1; [L919] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L894] int retValue_acc ; [L895] int tmp ; [L899] FCALL select_helpers() [L900] FCALL select_features() [L901] CALL, EXPR valid_product() [L776] int retValue_acc ; [L779] retValue_acc = 1 [L780] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] RET, EXPR valid_product() [L901] tmp = valid_product() [L903] COND TRUE \read(tmp) [L905] FCALL setup() [L906] CALL runTest() [L888] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___2)) [L468] tmp___1 = __VERIFIER_nondet_int() [L470] COND FALSE !(\read(tmp___1)) [L479] CALL timeShift() [L508] COND FALSE !(\read(pumpRunning)) [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L589] int tmp ; [L592] COND FALSE !(\read(pumpRunning)) [L607] CALL processEnvironment__wrappee__lowWaterSensor() [L563] int tmp ; [L566] COND FALSE !(\read(pumpRunning)) [L581] CALL processEnvironment__wrappee__highWaterSensor() [L537] int tmp ; [L540] COND TRUE ! pumpRunning [L542] CALL, EXPR isHighWaterLevel() [L686] int retValue_acc ; [L687] int tmp ; [L688] int tmp___0 ; [L692] CALL, EXPR isHighWaterSensorDry() [L998] int retValue_acc ; [L1001] COND TRUE waterLevel < 2 [L1002] retValue_acc = 1 [L1003] return (retValue_acc); [L692] RET, EXPR isHighWaterSensorDry() [L692] tmp = isHighWaterSensorDry() [L694] COND TRUE \read(tmp) [L695] tmp___0 = 0 [L699] retValue_acc = tmp___0 [L700] return (retValue_acc); [L542] RET, EXPR isHighWaterLevel() [L542] tmp = isHighWaterLevel() [L544] COND FALSE !(\read(tmp)) [L550] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment__wrappee__highWaterSensor() [L607] RET processEnvironment__wrappee__lowWaterSensor() [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification1_spec__1() [L787] int tmp ; [L788] int tmp___0 ; [L792] CALL, EXPR isMethaneLevelCritical() [L957] int retValue_acc ; [L960] retValue_acc = methaneLevelCritical [L961] return (retValue_acc); [L792] RET, EXPR isMethaneLevelCritical() [L792] tmp = isMethaneLevelCritical() [L794] COND FALSE !(\read(tmp)) [L523] RET __utac_acc__Specification1_spec__1() [L479] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 432]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L821] int cleanupTimeShifts = 4; [L918] int waterLevel = 1; [L919] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L894] int retValue_acc ; [L895] int tmp ; [L899] FCALL select_helpers() [L900] FCALL select_features() [L901] CALL, EXPR valid_product() [L776] int retValue_acc ; [L779] retValue_acc = 1 [L780] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] RET, EXPR valid_product() [L901] tmp = valid_product() [L903] COND TRUE \read(tmp) [L905] FCALL setup() [L906] CALL runTest() [L888] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___2)) [L468] tmp___1 = __VERIFIER_nondet_int() [L470] COND FALSE !(\read(tmp___1)) [L479] CALL timeShift() [L508] COND FALSE !(\read(pumpRunning)) [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L589] int tmp ; [L592] COND FALSE !(\read(pumpRunning)) [L607] CALL processEnvironment__wrappee__lowWaterSensor() [L563] int tmp ; [L566] COND FALSE !(\read(pumpRunning)) [L581] CALL processEnvironment__wrappee__highWaterSensor() [L537] int tmp ; [L540] COND TRUE ! pumpRunning [L542] CALL, EXPR isHighWaterLevel() [L686] int retValue_acc ; [L687] int tmp ; [L688] int tmp___0 ; [L692] CALL, EXPR isHighWaterSensorDry() [L998] int retValue_acc ; [L1001] COND TRUE waterLevel < 2 [L1002] retValue_acc = 1 [L1003] return (retValue_acc); [L692] RET, EXPR isHighWaterSensorDry() [L692] tmp = isHighWaterSensorDry() [L694] COND TRUE \read(tmp) [L695] tmp___0 = 0 [L699] retValue_acc = tmp___0 [L700] return (retValue_acc); [L542] RET, EXPR isHighWaterLevel() [L542] tmp = isHighWaterLevel() [L544] COND FALSE !(\read(tmp)) [L550] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment__wrappee__highWaterSensor() [L607] RET processEnvironment__wrappee__lowWaterSensor() [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification1_spec__1() [L787] int tmp ; [L788] int tmp___0 ; [L792] CALL, EXPR isMethaneLevelCritical() [L957] int retValue_acc ; [L960] retValue_acc = methaneLevelCritical [L961] return (retValue_acc); [L792] RET, EXPR isMethaneLevelCritical() [L792] tmp = isMethaneLevelCritical() [L794] COND FALSE !(\read(tmp)) [L523] RET __utac_acc__Specification1_spec__1() [L479] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:29:24,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)