./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product48.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 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:46,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:46,253 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:46,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:46,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:46,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:46,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:46,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:46,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:46,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:46,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:46,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:46,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:46,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:46,279 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:46,279 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:46,279 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:46,279 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:46,280 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:46,280 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:46,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:46,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:46,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:46,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:46,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:46,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:46,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:46,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:46,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:46,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:46,284 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:46,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:46,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:46,285 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:46,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:46,285 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:46,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:46,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:46,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:46,287 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:46,287 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 [2024-11-17 08:48:46,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:46,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:46,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:46,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:46,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:46,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2024-11-17 08:48:47,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:47,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:47,955 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2024-11-17 08:48:47,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3137132e/f9749ecba0634df4b4d529a7c984d41e/FLAGf916eb611 [2024-11-17 08:48:47,979 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3137132e/f9749ecba0634df4b4d529a7c984d41e [2024-11-17 08:48:47,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:47,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:47,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:47,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:47,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:47,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:47" (1/1) ... [2024-11-17 08:48:47,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e86c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:47, skipping insertion in model container [2024-11-17 08:48:47,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:47" (1/1) ... [2024-11-17 08:48:48,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:48,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:48,265 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:48,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-17 08:48:48,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2024-11-17 08:48:48,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] [2024-11-17 08:48:48,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] [2024-11-17 08:48:48,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [730] [2024-11-17 08:48:48,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] [2024-11-17 08:48:48,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [926] [2024-11-17 08:48:48,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [975] [2024-11-17 08:48:48,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:48,358 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:48,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48 WrapperNode [2024-11-17 08:48:48,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:48,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:48,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:48,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:48,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,448 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 59, calls inlined = 108, statements flattened = 705 [2024-11-17 08:48:48,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:48,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:48,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:48,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:48,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,467 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,487 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]. [2024-11-17 08:48:48,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,495 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:48,507 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:48,507 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:48,507 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:48,508 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:48,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:48,540 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) [2024-11-17 08:48:48,553 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 [2024-11-17 08:48:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:48,655 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:48,657 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:49,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L704-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-17 08:48:49,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L704-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-17 08:48:49,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L704-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-17 08:48:49,078 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L704-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L704-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L704-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L808-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L808-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L808-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:49,079 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L649-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L649-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L649-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L649-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:48:49,080 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L649-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:48:49,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L649-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:48:49,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L822-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:49,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L822-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:49,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L822-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:49,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L822-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:49,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L822-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:49,081 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L822-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:49,085 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L923-1: main_#res#1 := main_~retValue_acc~9#1; [2024-11-17 08:48:49,108 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:49,108 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:49,121 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:49,121 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:49,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:49 BoogieIcfgContainer [2024-11-17 08:48:49,121 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:49,122 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:49,122 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:49,125 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:49,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:49,126 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:47" (1/3) ... [2024-11-17 08:48:49,127 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d84ef76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:49, skipping insertion in model container [2024-11-17 08:48:49,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:49,127 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (2/3) ... [2024-11-17 08:48:49,127 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d84ef76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:49, skipping insertion in model container [2024-11-17 08:48:49,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:49,127 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:49" (3/3) ... [2024-11-17 08:48:49,128 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2024-11-17 08:48:49,170 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:49,170 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:49,171 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:49,171 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:49,171 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:49,171 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:49,171 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:49,171 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:49,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 200 states, 199 states have (on average 1.3417085427135678) internal successors, (267), 199 states have internal predecessors, (267), 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) [2024-11-17 08:48:49,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2024-11-17 08:48:49,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:49,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:49,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:49,197 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] [2024-11-17 08:48:49,197 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:49,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 200 states, 199 states have (on average 1.3417085427135678) internal successors, (267), 199 states have internal predecessors, (267), 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) [2024-11-17 08:48:49,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2024-11-17 08:48:49,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:49,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:49,203 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:49,203 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] [2024-11-17 08:48:49,208 INFO L745 eck$LassoCheckResult]: Stem: 191#ULTIMATE.startENTRYtrue 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 23#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 146#L998true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 10#L991true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 96#L1006true assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 89#L913true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 43#L885true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 111#L933true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 17#L441true [2024-11-17 08:48:49,208 INFO L747 eck$LassoCheckResult]: Loop: 17#L441true assume true; 95#L441-1true assume !false; 101#test_while_3_continue#1true assume true; 48#L443true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 98#L451true assume !(0 != test_~tmp~3#1); 7#L459true havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 3#L461true assume !(0 != test_~tmp___0~0#1); 11#L469true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 22#L471true 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; 145#L479true assume !(0 != test_~tmp___1~0#1); 52#L488true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 38#L648-5true assume true;__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 68#L943-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 153#L520-2true assume !(0 != ~pumpRunning~0); 84#L527-2true assume !(0 != ~systemActive~0); 93#L535-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 149#L807-2true assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 161#L954-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 197#L972-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 172#L537-2true assume true;assume { :end_inline_timeShift } true; 17#L441true [2024-11-17 08:48:49,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:49,214 INFO L85 PathProgramCache]: Analyzing trace with hash 386140570, now seen corresponding path program 1 times [2024-11-17 08:48:49,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:49,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015570089] [2024-11-17 08:48:49,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:49,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:49,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:49,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1081251188, now seen corresponding path program 1 times [2024-11-17 08:48:49,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:49,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563495727] [2024-11-17 08:48:49,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:49,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:49,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:49,355 INFO L85 PathProgramCache]: Analyzing trace with hash 345877925, now seen corresponding path program 1 times [2024-11-17 08:48:49,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:49,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397723614] [2024-11-17 08:48:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:49,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:49,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397723614] [2024-11-17 08:48:49,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397723614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:49,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:49,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:48:49,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095561738] [2024-11-17 08:48:49,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:49,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:49,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:48:49,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:48:49,679 INFO L87 Difference]: Start difference. First operand has 200 states, 199 states have (on average 1.3417085427135678) internal successors, (267), 199 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:49,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:49,813 INFO L93 Difference]: Finished difference Result 454 states and 589 transitions. [2024-11-17 08:48:49,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 454 states and 589 transitions. [2024-11-17 08:48:49,823 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 296 [2024-11-17 08:48:49,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 454 states to 421 states and 556 transitions. [2024-11-17 08:48:49,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 421 [2024-11-17 08:48:49,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 421 [2024-11-17 08:48:49,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 421 states and 556 transitions. [2024-11-17 08:48:49,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:49,834 INFO L218 hiAutomatonCegarLoop]: Abstraction has 421 states and 556 transitions. [2024-11-17 08:48:49,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states and 556 transitions. [2024-11-17 08:48:49,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 245. [2024-11-17 08:48:49,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 245 states have (on average 1.3183673469387756) internal successors, (323), 244 states have internal predecessors, (323), 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) [2024-11-17 08:48:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 323 transitions. [2024-11-17 08:48:49,865 INFO L240 hiAutomatonCegarLoop]: Abstraction has 245 states and 323 transitions. [2024-11-17 08:48:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 08:48:49,870 INFO L425 stractBuchiCegarLoop]: Abstraction has 245 states and 323 transitions. [2024-11-17 08:48:49,870 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:49,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 245 states and 323 transitions. [2024-11-17 08:48:49,871 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 171 [2024-11-17 08:48:49,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:49,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:49,874 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:49,874 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] [2024-11-17 08:48:49,875 INFO L745 eck$LassoCheckResult]: Stem: 854#ULTIMATE.startENTRY 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 741#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 742#L998 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 695#L991 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 696#L1006 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 853#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 799#L885 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 720#L933 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 721#L441 [2024-11-17 08:48:49,875 INFO L747 eck$LassoCheckResult]: Loop: 721#L441 assume true; 722#L441-1 assume !false; 682#test_while_3_continue#1 assume true; 683#L443 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 810#L451 assume !(0 != test_~tmp~3#1); 690#L459 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 676#L461 assume !(0 != test_~tmp___0~0#1); 678#L469 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 697#L471 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; 736#L479 assume !(0 != test_~tmp___1~0#1); 706#L488 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 792#L648-5 assume true;__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 793#L943-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 823#L520-2 assume !(0 != ~pumpRunning~0); 815#L527-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 850#L578-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 812#L552-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 769#L544-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 770#L570-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 728#L596-2 assume true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 851#L535-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 818#L807-2 assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 819#L954-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 734#L972-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 840#L537-2 assume true;assume { :end_inline_timeShift } true; 721#L441 [2024-11-17 08:48:49,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:49,875 INFO L85 PathProgramCache]: Analyzing trace with hash 386140570, now seen corresponding path program 2 times [2024-11-17 08:48:49,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:49,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975707955] [2024-11-17 08:48:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:49,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:49,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:49,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1547320745, now seen corresponding path program 1 times [2024-11-17 08:48:49,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:49,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151075836] [2024-11-17 08:48:49,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:49,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:49,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:49,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151075836] [2024-11-17 08:48:49,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151075836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:49,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:49,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:48:49,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612157265] [2024-11-17 08:48:49,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:49,936 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:49,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:49,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:49,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:49,937 INFO L87 Difference]: Start difference. First operand 245 states and 323 transitions. cyclomatic complexity: 81 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:50,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:50,039 INFO L93 Difference]: Finished difference Result 312 states and 394 transitions. [2024-11-17 08:48:50,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 394 transitions. [2024-11-17 08:48:50,041 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 222 [2024-11-17 08:48:50,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 394 transitions. [2024-11-17 08:48:50,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 312 [2024-11-17 08:48:50,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 312 [2024-11-17 08:48:50,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 394 transitions. [2024-11-17 08:48:50,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:50,047 INFO L218 hiAutomatonCegarLoop]: Abstraction has 312 states and 394 transitions. [2024-11-17 08:48:50,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 394 transitions. [2024-11-17 08:48:50,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2024-11-17 08:48:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 312 states have (on average 1.2628205128205128) internal successors, (394), 311 states have internal predecessors, (394), 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) [2024-11-17 08:48:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 394 transitions. [2024-11-17 08:48:50,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 312 states and 394 transitions. [2024-11-17 08:48:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:50,062 INFO L425 stractBuchiCegarLoop]: Abstraction has 312 states and 394 transitions. [2024-11-17 08:48:50,062 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:50,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 312 states and 394 transitions. [2024-11-17 08:48:50,063 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 222 [2024-11-17 08:48:50,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:50,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:50,064 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:50,064 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:50,064 INFO L745 eck$LassoCheckResult]: Stem: 1433#ULTIMATE.startENTRY 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 1303#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1304#L998 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1257#L991 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1258#L1006 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 1432#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1360#L885 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1281#L933 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 1282#L441 [2024-11-17 08:48:50,064 INFO L747 eck$LassoCheckResult]: Loop: 1282#L441 assume true; 1509#L441-1 assume !false; 1508#test_while_3_continue#1 assume true; 1507#L443 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1438#L451 assume !(0 != test_~tmp~3#1); 1252#L459 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1237#L461 assume !(0 != test_~tmp___0~0#1); 1239#L469 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1259#L471 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; 1298#L479 assume !(0 != test_~tmp___1~0#1); 1269#L488 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1352#L648-5 assume true;__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 1353#L943-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1387#L520-2 assume !(0 != ~pumpRunning~0); 1388#L527-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1427#L578-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1375#L552-5 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~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1376#L815-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1386#L820-5 assume true;isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 1426#L697-5 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1389#L702-5 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1390#L703-5 assume true;processEnvironment__wrappee__methaneQuery_#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__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret31#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1; 1407#L556-5 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1394#L544-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1395#L570-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1288#L596-2 assume true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1429#L535-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1435#L807-2 assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1514#L954-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 1511#L972-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1510#L537-2 assume true;assume { :end_inline_timeShift } true; 1282#L441 [2024-11-17 08:48:50,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,066 INFO L85 PathProgramCache]: Analyzing trace with hash 386140570, now seen corresponding path program 3 times [2024-11-17 08:48:50,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466979449] [2024-11-17 08:48:50,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:50,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,086 INFO L85 PathProgramCache]: Analyzing trace with hash 207345920, now seen corresponding path program 1 times [2024-11-17 08:48:50,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801461109] [2024-11-17 08:48:50,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:50,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:50,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801461109] [2024-11-17 08:48:50,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801461109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:50,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:50,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:48:50,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490916832] [2024-11-17 08:48:50,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:50,157 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:50,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:50,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:48:50,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:48:50,158 INFO L87 Difference]: Start difference. First operand 312 states and 394 transitions. cyclomatic complexity: 85 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-17 08:48:50,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:50,257 INFO L93 Difference]: Finished difference Result 616 states and 771 transitions. [2024-11-17 08:48:50,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 616 states and 771 transitions. [2024-11-17 08:48:50,261 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 444 [2024-11-17 08:48:50,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 616 states to 616 states and 771 transitions. [2024-11-17 08:48:50,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 616 [2024-11-17 08:48:50,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 616 [2024-11-17 08:48:50,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 616 states and 771 transitions. [2024-11-17 08:48:50,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:50,268 INFO L218 hiAutomatonCegarLoop]: Abstraction has 616 states and 771 transitions. [2024-11-17 08:48:50,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states and 771 transitions. [2024-11-17 08:48:50,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 613. [2024-11-17 08:48:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 613 states have (on average 1.2479608482871125) internal successors, (765), 612 states have internal predecessors, (765), 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) [2024-11-17 08:48:50,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 765 transitions. [2024-11-17 08:48:50,280 INFO L240 hiAutomatonCegarLoop]: Abstraction has 613 states and 765 transitions. [2024-11-17 08:48:50,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:50,283 INFO L425 stractBuchiCegarLoop]: Abstraction has 613 states and 765 transitions. [2024-11-17 08:48:50,283 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:48:50,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 613 states and 765 transitions. [2024-11-17 08:48:50,285 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 442 [2024-11-17 08:48:50,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:50,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:50,288 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:50,288 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:50,288 INFO L745 eck$LassoCheckResult]: Stem: 2409#ULTIMATE.startENTRY 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 2244#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2245#L998 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2197#L991 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 2198#L1006 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 2407#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2308#L885 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2221#L933 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 2222#L441 [2024-11-17 08:48:50,288 INFO L747 eck$LassoCheckResult]: Loop: 2222#L441 assume true; 2696#L441-1 assume !false; 2694#test_while_3_continue#1 assume true; 2691#L443 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 2692#L451 assume !(0 != test_~tmp~3#1); 2192#L459 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 2177#L461 assume !(0 != test_~tmp___0~0#1); 2179#L469 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 2199#L471 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; 2238#L479 assume !(0 != test_~tmp___1~0#1); 2207#L488 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2300#L648-5 assume true;__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 2301#L943-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2346#L520-2 assume !(0 != ~pumpRunning~0); 2347#L527-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2629#L578-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 2597#L552-5 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~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 2628#L815-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 2343#L820-5 assume true;isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 2627#L697-5 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2626#L702-5 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 2625#L703-5 assume true;processEnvironment__wrappee__methaneQuery_#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__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret31#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1; 2623#L556-5 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2624#L544-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2729#L570-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2724#L596-2 assume true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 2719#L535-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 2715#L807-2 assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 2710#L954-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2705#L648-4 assume true;__utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 2702#L958-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 2699#L972-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2697#L537-2 assume true;assume { :end_inline_timeShift } true; 2222#L441 [2024-11-17 08:48:50,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,289 INFO L85 PathProgramCache]: Analyzing trace with hash 386140570, now seen corresponding path program 4 times [2024-11-17 08:48:50,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940190393] [2024-11-17 08:48:50,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:50,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1690327518, now seen corresponding path program 1 times [2024-11-17 08:48:50,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967951402] [2024-11-17 08:48:50,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:50,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,323 INFO L85 PathProgramCache]: Analyzing trace with hash -467818651, now seen corresponding path program 1 times [2024-11-17 08:48:50,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507382241] [2024-11-17 08:48:50,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:51,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:51,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:51 BoogieIcfgContainer [2024-11-17 08:48:51,141 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:51,141 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:51,141 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:51,142 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:51,142 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:49" (3/4) ... [2024-11-17 08:48:51,143 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:51,187 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:51,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:51,188 INFO L158 Benchmark]: Toolchain (without parser) took 3205.73ms. Allocated memory was 192.9MB in the beginning and 285.2MB in the end (delta: 92.3MB). Free memory was 122.6MB in the beginning and 164.9MB in the end (delta: -42.2MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:51,188 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:51,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.86ms. Allocated memory is still 192.9MB. Free memory was 122.6MB in the beginning and 100.9MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:51,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.15ms. Allocated memory is still 192.9MB. Free memory was 100.9MB in the beginning and 160.5MB in the end (delta: -59.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:51,189 INFO L158 Benchmark]: Boogie Preprocessor took 57.18ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 157.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:51,189 INFO L158 Benchmark]: IcfgBuilder took 614.49ms. Allocated memory is still 192.9MB. Free memory was 157.3MB in the beginning and 118.6MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-17 08:48:51,189 INFO L158 Benchmark]: BuchiAutomizer took 2018.82ms. Allocated memory was 192.9MB in the beginning and 285.2MB in the end (delta: 92.3MB). Free memory was 118.6MB in the beginning and 168.0MB in the end (delta: -49.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-17 08:48:51,190 INFO L158 Benchmark]: Witness Printer took 46.11ms. Allocated memory is still 285.2MB. Free memory was 168.0MB in the beginning and 164.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:51,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.86ms. Allocated memory is still 192.9MB. Free memory was 122.6MB in the beginning and 100.9MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.15ms. Allocated memory is still 192.9MB. Free memory was 100.9MB in the beginning and 160.5MB in the end (delta: -59.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.18ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 157.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 614.49ms. Allocated memory is still 192.9MB. Free memory was 157.3MB in the beginning and 118.6MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2018.82ms. Allocated memory was 192.9MB in the beginning and 285.2MB in the end (delta: 92.3MB). Free memory was 118.6MB in the beginning and 168.0MB in the end (delta: -49.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Witness Printer took 46.11ms. Allocated memory is still 285.2MB. Free memory was 168.0MB in the beginning and 164.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [499] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [730] - GenericResultAtLocation [Line: 825]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [825] - GenericResultAtLocation [Line: 926]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [926] - GenericResultAtLocation [Line: 975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [975] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 613 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 179 StatesRemovedByMinimization, 2 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, 864 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 864 mSDsluCounter, 2487 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1744 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 743 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 441]: 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; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L732] int waterLevel = 1; [L733] int methaneLevelCritical = 0; [L826] int cleanupTimeShifts = 4; [L927] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L904] int retValue_acc ; [L905] int tmp ; [L909] FCALL select_helpers() [L910] FCALL select_features() [L911] CALL, EXPR valid_product() [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L911] RET, EXPR valid_product() [L911] tmp = valid_product() [L913] COND TRUE \read(tmp) [L915] FCALL setup() [L916] CALL runTest() [L894] CALL __utac_acc__Specification5_spec__1() [L932] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L894] RET __utac_acc__Specification5_spec__1() [L895] CALL test() [L432] int splverifierCounter ; [L433] int tmp ; [L434] int tmp___0 ; [L435] int tmp___1 ; [L436] int tmp___2 ; [L439] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L441] COND TRUE 1 [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp)) [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___0)) [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___2)) [L477] tmp___1 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___1)) [L488] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L941] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L941] RET, EXPR isPumpRunning() [L941] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] CALL processEnvironment() [L575] int tmp ; [L578] COND FALSE !(\read(pumpRunning)) [L593] CALL processEnvironment__wrappee__methaneQuery() [L549] int tmp ; [L552] COND TRUE ! pumpRunning [L554] CALL, EXPR isHighWaterLevel() [L689] int retValue_acc ; [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR isHighWaterSensorDry() [L812] int retValue_acc ; [L815] COND TRUE waterLevel < 2 [L816] retValue_acc = 1 [L817] return (retValue_acc); [L695] RET, EXPR isHighWaterSensorDry() [L695] tmp = isHighWaterSensorDry() [L697] COND TRUE \read(tmp) [L698] tmp___0 = 0 [L702] retValue_acc = tmp___0 [L703] return (retValue_acc); [L554] RET, EXPR isHighWaterLevel() [L554] tmp = isHighWaterLevel() [L556] COND FALSE !(\read(tmp)) [L562] FCALL processEnvironment__wrappee__base() [L593] RET processEnvironment__wrappee__methaneQuery() [L529] RET processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L947] int tmp ; [L948] int tmp___0 ; [L952] CALL, EXPR getWaterLevel() [L803] int retValue_acc ; [L806] retValue_acc = waterLevel [L807] return (retValue_acc); [L952] RET, EXPR getWaterLevel() [L952] tmp = getWaterLevel() [L954] COND TRUE tmp != 2 [L956] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L956] RET, EXPR isPumpRunning() [L956] tmp___0 = isPumpRunning() [L958] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L488] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 441]: 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; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L732] int waterLevel = 1; [L733] int methaneLevelCritical = 0; [L826] int cleanupTimeShifts = 4; [L927] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L904] int retValue_acc ; [L905] int tmp ; [L909] FCALL select_helpers() [L910] FCALL select_features() [L911] CALL, EXPR valid_product() [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L911] RET, EXPR valid_product() [L911] tmp = valid_product() [L913] COND TRUE \read(tmp) [L915] FCALL setup() [L916] CALL runTest() [L894] CALL __utac_acc__Specification5_spec__1() [L932] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L894] RET __utac_acc__Specification5_spec__1() [L895] CALL test() [L432] int splverifierCounter ; [L433] int tmp ; [L434] int tmp___0 ; [L435] int tmp___1 ; [L436] int tmp___2 ; [L439] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L441] COND TRUE 1 [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp)) [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___0)) [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___2)) [L477] tmp___1 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___1)) [L488] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L941] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L941] RET, EXPR isPumpRunning() [L941] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] CALL processEnvironment() [L575] int tmp ; [L578] COND FALSE !(\read(pumpRunning)) [L593] CALL processEnvironment__wrappee__methaneQuery() [L549] int tmp ; [L552] COND TRUE ! pumpRunning [L554] CALL, EXPR isHighWaterLevel() [L689] int retValue_acc ; [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR isHighWaterSensorDry() [L812] int retValue_acc ; [L815] COND TRUE waterLevel < 2 [L816] retValue_acc = 1 [L817] return (retValue_acc); [L695] RET, EXPR isHighWaterSensorDry() [L695] tmp = isHighWaterSensorDry() [L697] COND TRUE \read(tmp) [L698] tmp___0 = 0 [L702] retValue_acc = tmp___0 [L703] return (retValue_acc); [L554] RET, EXPR isHighWaterLevel() [L554] tmp = isHighWaterLevel() [L556] COND FALSE !(\read(tmp)) [L562] FCALL processEnvironment__wrappee__base() [L593] RET processEnvironment__wrappee__methaneQuery() [L529] RET processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L947] int tmp ; [L948] int tmp___0 ; [L952] CALL, EXPR getWaterLevel() [L803] int retValue_acc ; [L806] retValue_acc = waterLevel [L807] return (retValue_acc); [L952] RET, EXPR getWaterLevel() [L952] tmp = getWaterLevel() [L954] COND TRUE tmp != 2 [L956] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L956] RET, EXPR isPumpRunning() [L956] tmp___0 = isPumpRunning() [L958] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L488] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:51,222 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)