./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product30.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_spec1_product30.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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:14:44,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:14:44,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:14:44,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:14:44,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:14:44,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:14:44,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:14:44,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:14:44,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:14:44,202 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:14:44,203 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:14:44,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:14:44,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:14:44,203 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:14:44,204 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:14:44,204 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:14:44,204 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:14:44,204 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:14:44,204 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:14:44,204 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:14:44,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:14:44,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:14:44,204 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:14:44,205 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:14:44,206 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:14:44,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:14:44,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:14:44,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:14:44,206 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:14:44,206 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 -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2025-03-04 16:14:44,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:14:44,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:14:44,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:14:44,463 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:14:44,463 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:14:44,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2025-03-04 16:14:45,606 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6c91d259/17dfc34eac194736a83b0e5f70252342/FLAG9b02cf9d1 [2025-03-04 16:14:45,862 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:14:45,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2025-03-04 16:14:45,882 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6c91d259/17dfc34eac194736a83b0e5f70252342/FLAG9b02cf9d1 [2025-03-04 16:14:45,903 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6c91d259/17dfc34eac194736a83b0e5f70252342 [2025-03-04 16:14:45,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:14:45,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:14:45,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:14:45,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:14:45,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:14:45,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:14:45" (1/1) ... [2025-03-04 16:14:45,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aba40af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:45, skipping insertion in model container [2025-03-04 16:14:45,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:14:45" (1/1) ... [2025-03-04 16:14:45,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:14:46,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:14:46,164 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:14:46,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2025-03-04 16:14:46,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2025-03-04 16:14:46,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] [2025-03-04 16:14:46,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [554] [2025-03-04 16:14:46,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] [2025-03-04 16:14:46,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] [2025-03-04 16:14:46,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [865] [2025-03-04 16:14:46,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [891] [2025-03-04 16:14:46,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:14:46,257 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:14:46,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46 WrapperNode [2025-03-04 16:14:46,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:14:46,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:14:46,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:14:46,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:14:46,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,296 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 81, statements flattened = 504 [2025-03-04 16:14:46,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:14:46,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:14:46,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:14:46,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:14:46,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,307 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,321 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 16:14:46,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,330 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:14:46,336 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:14:46,336 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:14:46,336 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:14:46,337 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (1/1) ... [2025-03-04 16:14:46,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:14:46,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:14:46,368 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 16:14:46,373 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 16:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:14:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:14:46,434 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:14:46,435 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:14:46,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L551-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2025-03-04 16:14:46,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L799-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2025-03-04 16:14:46,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L799-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L799-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L604-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L604-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L604-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L604-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L604-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L604-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L854-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L854-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L854-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L854-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L854-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L854-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L645-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L645-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L645-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L645-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2025-03-04 16:14:46,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L645-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2025-03-04 16:14:46,837 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L645-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2025-03-04 16:14:46,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2025-03-04 16:14:46,861 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-03-04 16:14:46,861 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:14:46,870 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:14:46,872 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:14:46,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:14:46 BoogieIcfgContainer [2025-03-04 16:14:46,872 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:14:46,873 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:14:46,873 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:14:46,878 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:14:46,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:14:46,879 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:14:45" (1/3) ... [2025-03-04 16:14:46,880 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74b797cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:14:46, skipping insertion in model container [2025-03-04 16:14:46,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:14:46,880 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:46" (2/3) ... [2025-03-04 16:14:46,880 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74b797cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:14:46, skipping insertion in model container [2025-03-04 16:14:46,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:14:46,880 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:14:46" (3/3) ... [2025-03-04 16:14:46,881 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2025-03-04 16:14:46,924 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:14:46,924 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:14:46,925 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:14:46,925 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:14:46,925 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:14:46,925 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:14:46,925 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:14:46,925 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:14:46,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 152 states, 151 states have (on average 1.3311258278145695) internal successors, (201), 151 states have internal predecessors, (201), 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 16:14:46,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2025-03-04 16:14:46,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:14:46,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:14:46,956 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:14:46,956 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 16:14:46,957 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:14:46,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 152 states, 151 states have (on average 1.3311258278145695) internal successors, (201), 151 states have internal predecessors, (201), 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 16:14:46,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2025-03-04 16:14:46,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:14:46,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:14:46,964 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:14:46,964 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 16:14:46,971 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:14:46,971 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~9#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet52#1;test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#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~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:14:46,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:14:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1219288891, now seen corresponding path program 1 times [2025-03-04 16:14:46,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:14:46,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986901072] [2025-03-04 16:14:46,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:14:46,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:14:47,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:14:47,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:14:47,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,050 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:14:47,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:14:47,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:14:47,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:14:47,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:14:47,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1724475054, now seen corresponding path program 1 times [2025-03-04 16:14:47,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:14:47,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132119475] [2025-03-04 16:14:47,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:14:47,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:14:47,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 16:14:47,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 16:14:47,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,091 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:14:47,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 16:14:47,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 16:14:47,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:14:47,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:14:47,102 INFO L85 PathProgramCache]: Analyzing trace with hash 367689586, now seen corresponding path program 1 times [2025-03-04 16:14:47,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:14:47,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470443309] [2025-03-04 16:14:47,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:14:47,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:14:47,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 16:14:47,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 16:14:47,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:14:47,238 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 16:14:47,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:14:47,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470443309] [2025-03-04 16:14:47,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470443309] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:14:47,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:14:47,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:14:47,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571474777] [2025-03-04 16:14:47,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:14:47,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:14:47,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:14:47,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:14:47,340 INFO L87 Difference]: Start difference. First operand has 152 states, 151 states have (on average 1.3311258278145695) internal successors, (201), 151 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:14:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:14:47,369 INFO L93 Difference]: Finished difference Result 146 states and 187 transitions. [2025-03-04 16:14:47,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 187 transitions. [2025-03-04 16:14:47,374 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2025-03-04 16:14:47,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 136 states and 176 transitions. [2025-03-04 16:14:47,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2025-03-04 16:14:47,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2025-03-04 16:14:47,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 176 transitions. [2025-03-04 16:14:47,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:14:47,384 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 176 transitions. [2025-03-04 16:14:47,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 176 transitions. [2025-03-04 16:14:47,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2025-03-04 16:14:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.2941176470588236) internal successors, (176), 135 states have internal predecessors, (176), 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 16:14:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 176 transitions. [2025-03-04 16:14:47,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 136 states and 176 transitions. [2025-03-04 16:14:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:14:47,414 INFO L432 stractBuchiCegarLoop]: Abstraction has 136 states and 176 transitions. [2025-03-04 16:14:47,414 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:14:47,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 176 transitions. [2025-03-04 16:14:47,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2025-03-04 16:14:47,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:14:47,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:14:47,421 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:14:47,421 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] [2025-03-04 16:14:47,421 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:14:47,421 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~9#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#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~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret34#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret34#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:14:47,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:14:47,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1219288891, now seen corresponding path program 2 times [2025-03-04 16:14:47,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:14:47,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59810120] [2025-03-04 16:14:47,422 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:14:47,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:14:47,428 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:14:47,433 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:14:47,433 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:14:47,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,433 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:14:47,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:14:47,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:14:47,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:14:47,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:14:47,448 INFO L85 PathProgramCache]: Analyzing trace with hash 489541011, now seen corresponding path program 1 times [2025-03-04 16:14:47,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:14:47,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131948856] [2025-03-04 16:14:47,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:14:47,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:14:47,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 16:14:47,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 16:14:47,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,463 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:14:47,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 16:14:47,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 16:14:47,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:14:47,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:14:47,471 INFO L85 PathProgramCache]: Analyzing trace with hash -42889393, now seen corresponding path program 1 times [2025-03-04 16:14:47,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:14:47,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683134520] [2025-03-04 16:14:47,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:14:47,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:14:47,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 16:14:47,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 16:14:47,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,501 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:14:47,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 16:14:47,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 16:14:47,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:47,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:47,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:14:48,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:14:48,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:14:48,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:48,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:48,178 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:14:48,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:14:48,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:14:48,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:14:48,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:14:48,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:14:48 BoogieIcfgContainer [2025-03-04 16:14:48,221 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:14:48,221 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:14:48,221 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:14:48,221 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:14:48,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:14:46" (3/4) ... [2025-03-04 16:14:48,225 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-04 16:14:48,260 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 16:14:48,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:14:48,261 INFO L158 Benchmark]: Toolchain (without parser) took 2354.47ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 95.5MB in the end (delta: 37.7MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2025-03-04 16:14:48,261 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:14:48,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.86ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 114.5MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:14:48,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.31ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 112.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:14:48,262 INFO L158 Benchmark]: Boogie Preprocessor took 37.61ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 109.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:14:48,262 INFO L158 Benchmark]: IcfgBuilder took 536.31ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 81.9MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 16:14:48,262 INFO L158 Benchmark]: BuchiAutomizer took 1348.06ms. Allocated memory is still 167.8MB. Free memory was 81.9MB in the beginning and 98.7MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:14:48,262 INFO L158 Benchmark]: Witness Printer took 39.38ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 95.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:14:48,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.86ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 114.5MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.31ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 112.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.61ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 109.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 536.31ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 81.9MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1348.06ms. Allocated memory is still 167.8MB. Free memory was 81.9MB in the beginning and 98.7MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.38ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 95.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [554] - GenericResultAtLocation [Line: 648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] - GenericResultAtLocation [Line: 657]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [865] - GenericResultAtLocation [Line: 891]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [891] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 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, 169 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 184 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 184 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 902]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L560] int waterLevel = 1; [L561] int methaneLevelCritical = 0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L893] int splverifierCounter ; [L894] int tmp ; [L895] int tmp___0 ; [L896] int tmp___1 ; [L897] int tmp___2 ; [L900] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L902] COND TRUE 1 [L904] COND TRUE splverifierCounter < 4 [L910] tmp = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp)) [L920] tmp___0 = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp___0)) [L930] tmp___2 = __VERIFIER_nondet_int() [L932] COND TRUE \read(tmp___2) [L934] CALL startSystem() [L861] systemActive = 1 [L934] RET startSystem() [L947] CALL timeShift() [L670] COND FALSE !(\read(pumpRunning)) [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] CALL processEnvironment__wrappee__methaneQuery() [L699] int tmp ; [L702] COND FALSE !(\read(pumpRunning)) [L717] FCALL processEnvironment__wrappee__base() [L743] RET processEnvironment__wrappee__methaneQuery() [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification1_spec__1() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR isMethaneLevelCritical() [L599] int retValue_acc ; [L602] retValue_acc = methaneLevelCritical [L603] return (retValue_acc); [L872] RET, EXPR isMethaneLevelCritical() [L872] tmp = isMethaneLevelCritical() [L874] COND FALSE !(\read(tmp)) [L685] RET __utac_acc__Specification1_spec__1() [L947] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 902]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L560] int waterLevel = 1; [L561] int methaneLevelCritical = 0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L893] int splverifierCounter ; [L894] int tmp ; [L895] int tmp___0 ; [L896] int tmp___1 ; [L897] int tmp___2 ; [L900] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L902] COND TRUE 1 [L904] COND TRUE splverifierCounter < 4 [L910] tmp = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp)) [L920] tmp___0 = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp___0)) [L930] tmp___2 = __VERIFIER_nondet_int() [L932] COND TRUE \read(tmp___2) [L934] CALL startSystem() [L861] systemActive = 1 [L934] RET startSystem() [L947] CALL timeShift() [L670] COND FALSE !(\read(pumpRunning)) [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] CALL processEnvironment__wrappee__methaneQuery() [L699] int tmp ; [L702] COND FALSE !(\read(pumpRunning)) [L717] FCALL processEnvironment__wrappee__base() [L743] RET processEnvironment__wrappee__methaneQuery() [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification1_spec__1() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR isMethaneLevelCritical() [L599] int retValue_acc ; [L602] retValue_acc = methaneLevelCritical [L603] return (retValue_acc); [L872] RET, EXPR isMethaneLevelCritical() [L872] tmp = isMethaneLevelCritical() [L874] COND FALSE !(\read(tmp)) [L685] RET __utac_acc__Specification1_spec__1() [L947] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-04 16:14:48,283 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)