./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:44:45,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:44:45,306 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:44:45,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:44:45,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:44:45,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:44:45,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:44:45,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:44:45,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:44:45,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:44:45,340 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:44:45,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:44:45,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:44:45,341 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:44:45,341 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:44:45,341 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:44:45,341 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:44:45,341 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:44:45,341 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:44:45,341 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:44:45,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:44:45,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:44:45,343 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:44:45,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:44:45,343 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:44:45,343 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:44:45,343 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:44:45,343 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:44:45,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:44:45,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:44:45,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:44:45,344 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:44:45,344 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c [2025-02-06 19:44:45,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:44:45,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:44:45,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:44:45,561 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:44:45,562 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:44:45,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2025-02-06 19:44:46,763 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/442f1a947/c5b41315f087481487e138a3252aed4a/FLAGa28a9825f [2025-02-06 19:44:47,077 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:44:47,077 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2025-02-06 19:44:47,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/442f1a947/c5b41315f087481487e138a3252aed4a/FLAGa28a9825f [2025-02-06 19:44:47,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/442f1a947/c5b41315f087481487e138a3252aed4a [2025-02-06 19:44:47,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:44:47,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:44:47,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:47,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:44:47,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:44:47,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c41030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47, skipping insertion in model container [2025-02-06 19:44:47,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:44:47,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:47,610 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:44:47,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-02-06 19:44:47,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] [2025-02-06 19:44:47,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2025-02-06 19:44:47,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] [2025-02-06 19:44:47,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [499] [2025-02-06 19:44:47,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [525] [2025-02-06 19:44:47,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [592] [2025-02-06 19:44:47,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [627] [2025-02-06 19:44:47,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:47,690 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:44:47,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47 WrapperNode [2025-02-06 19:44:47,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:47,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:47,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:44:47,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:44:47,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,727 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 99, statements flattened = 672 [2025-02-06 19:44:47,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:47,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:44:47,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:44:47,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:44:47,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,750 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,772 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 19:44:47,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,782 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:44:47,795 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:44:47,795 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:44:47,795 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:44:47,796 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:44:47,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:44:47,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:44:47,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:44:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:44:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:44:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:44:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:44:47,908 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:44:47,910 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:44:48,367 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L268-1: main_#res#1 := main_~retValue_acc~4#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:44:48,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L488-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L488-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L488-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L624-1: valid_product_#res#1 := valid_product_~retValue_acc~10#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L166-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L166-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L166-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:44:48,370 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:44:48,393 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2025-02-06 19:44:48,393 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:44:48,403 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:44:48,403 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:44:48,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:48 BoogieIcfgContainer [2025-02-06 19:44:48,404 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:44:48,405 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:44:48,405 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:44:48,409 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:44:48,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:48,410 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:44:47" (1/3) ... [2025-02-06 19:44:48,411 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c527436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:48, skipping insertion in model container [2025-02-06 19:44:48,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:48,411 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47" (2/3) ... [2025-02-06 19:44:48,411 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c527436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:48, skipping insertion in model container [2025-02-06 19:44:48,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:48,411 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:48" (3/3) ... [2025-02-06 19:44:48,413 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2025-02-06 19:44:48,446 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:44:48,446 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:44:48,446 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:44:48,446 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:44:48,446 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:44:48,447 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:44:48,447 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:44:48,447 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:44:48,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:48,465 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2025-02-06 19:44:48,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:48,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:48,470 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:48,470 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:48,470 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:44:48,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:48,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2025-02-06 19:44:48,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:48,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:48,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:48,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:48,480 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:48,480 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~7#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:48,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:48,484 INFO L85 PathProgramCache]: Analyzing trace with hash -621975544, now seen corresponding path program 1 times [2025-02-06 19:44:48,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:48,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311153320] [2025-02-06 19:44:48,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:48,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:48,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:48,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:48,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,545 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:48,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:48,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:48,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:48,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:48,581 INFO L85 PathProgramCache]: Analyzing trace with hash 144900461, now seen corresponding path program 1 times [2025-02-06 19:44:48,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:48,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033999376] [2025-02-06 19:44:48,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:48,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:48,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:44:48,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:44:48,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:48,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:44:48,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:48,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033999376] [2025-02-06 19:44:48,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033999376] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:48,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:48,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:44:48,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137852047] [2025-02-06 19:44:48,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:48,633 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:44:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:48,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:44:48,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:44:48,651 INFO L87 Difference]: Start difference. First operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:48,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:48,673 INFO L93 Difference]: Finished difference Result 182 states and 238 transitions. [2025-02-06 19:44:48,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 238 transitions. [2025-02-06 19:44:48,677 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2025-02-06 19:44:48,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 172 states and 227 transitions. [2025-02-06 19:44:48,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 172 [2025-02-06 19:44:48,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172 [2025-02-06 19:44:48,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 172 states and 227 transitions. [2025-02-06 19:44:48,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:48,684 INFO L218 hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions. [2025-02-06 19:44:48,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states and 227 transitions. [2025-02-06 19:44:48,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2025-02-06 19:44:48,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 172 states have (on average 1.319767441860465) internal successors, (227), 171 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 227 transitions. [2025-02-06 19:44:48,706 INFO L240 hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions. [2025-02-06 19:44:48,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:44:48,709 INFO L432 stractBuchiCegarLoop]: Abstraction has 172 states and 227 transitions. [2025-02-06 19:44:48,709 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:44:48,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 227 transitions. [2025-02-06 19:44:48,711 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2025-02-06 19:44:48,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:48,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:48,711 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:48,711 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:48,711 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:48,712 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~7#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:48,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:48,712 INFO L85 PathProgramCache]: Analyzing trace with hash -621975544, now seen corresponding path program 2 times [2025-02-06 19:44:48,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:48,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443258404] [2025-02-06 19:44:48,713 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:44:48,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:48,718 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:48,725 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:48,725 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:44:48,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,725 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:48,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:48,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:48,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:48,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:48,734 INFO L85 PathProgramCache]: Analyzing trace with hash 949982471, now seen corresponding path program 1 times [2025-02-06 19:44:48,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:48,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300714078] [2025-02-06 19:44:48,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:48,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:48,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:44:48,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:44:48,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:44:48,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:48,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300714078] [2025-02-06 19:44:48,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300714078] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:48,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:48,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:44:48,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509361850] [2025-02-06 19:44:48,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:48,755 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:44:48,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:48,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:44:48,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:44:48,756 INFO L87 Difference]: Start difference. First operand 172 states and 227 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:48,811 INFO L93 Difference]: Finished difference Result 232 states and 294 transitions. [2025-02-06 19:44:48,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 294 transitions. [2025-02-06 19:44:48,813 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2025-02-06 19:44:48,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 232 states and 294 transitions. [2025-02-06 19:44:48,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 232 [2025-02-06 19:44:48,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2025-02-06 19:44:48,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 232 states and 294 transitions. [2025-02-06 19:44:48,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:48,816 INFO L218 hiAutomatonCegarLoop]: Abstraction has 232 states and 294 transitions. [2025-02-06 19:44:48,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states and 294 transitions. [2025-02-06 19:44:48,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2025-02-06 19:44:48,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 232 states have (on average 1.2672413793103448) internal successors, (294), 231 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 294 transitions. [2025-02-06 19:44:48,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 232 states and 294 transitions. [2025-02-06 19:44:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:44:48,822 INFO L432 stractBuchiCegarLoop]: Abstraction has 232 states and 294 transitions. [2025-02-06 19:44:48,822 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:44:48,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 232 states and 294 transitions. [2025-02-06 19:44:48,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2025-02-06 19:44:48,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:48,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:48,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:48,824 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] [2025-02-06 19:44:48,824 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:48,825 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~7#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet29#1;test_~tmp___1~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret22#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret22#1;havoc isHighWaterLevel_#t~ret22#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret10#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret10#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:48,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:48,825 INFO L85 PathProgramCache]: Analyzing trace with hash -621975544, now seen corresponding path program 3 times [2025-02-06 19:44:48,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:48,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816744420] [2025-02-06 19:44:48,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:44:48,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:48,829 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:48,833 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:48,833 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:44:48,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,833 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:48,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:48,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:48,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:48,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:48,841 INFO L85 PathProgramCache]: Analyzing trace with hash -473284912, now seen corresponding path program 1 times [2025-02-06 19:44:48,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:48,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340702580] [2025-02-06 19:44:48,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:48,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:48,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 19:44:48,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 19:44:48,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,852 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:48,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 19:44:48,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 19:44:48,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:48,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:48,861 INFO L85 PathProgramCache]: Analyzing trace with hash 494078569, now seen corresponding path program 1 times [2025-02-06 19:44:48,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:48,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660971500] [2025-02-06 19:44:48,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:48,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 19:44:48,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:44:48,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,872 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:48,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 19:44:48,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:44:48,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:48,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:48,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:49,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:49,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:49,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,610 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:49,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:49,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:49,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:44:49 BoogieIcfgContainer [2025-02-06 19:44:49,642 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:44:49,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:44:49,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:44:49,643 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:44:49,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:48" (3/4) ... [2025-02-06 19:44:49,648 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:44:49,701 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:44:49,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:44:49,706 INFO L158 Benchmark]: Toolchain (without parser) took 2338.68ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 86.4MB in the end (delta: 26.1MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2025-02-06 19:44:49,706 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:49,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.87ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 93.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:49,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.72ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 90.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:44:49,707 INFO L158 Benchmark]: Boogie Preprocessor took 67.26ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 87.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:49,707 INFO L158 Benchmark]: IcfgBuilder took 608.73ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 53.7MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:44:49,707 INFO L158 Benchmark]: BuchiAutomizer took 1237.79ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 90.0MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:49,707 INFO L158 Benchmark]: Witness Printer took 62.63ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 86.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:49,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.87ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 93.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.72ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 90.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.26ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 87.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 608.73ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 53.7MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1237.79ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 90.0MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.63ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 86.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [499] - GenericResultAtLocation [Line: 525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [525] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [592] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [627] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 232 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 393 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 393 mSDsluCounter, 547 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 447 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 536]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L67] int waterLevel = 1; [L68] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L276] int pumpRunning = 0; [L277] int systemActive = 1; [L797] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L619] int retValue_acc ; [L622] retValue_acc = 1 [L623] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L240] CALL test() [L527] int splverifierCounter ; [L528] int tmp ; [L529] int tmp___0 ; [L530] int tmp___1 ; [L531] int tmp___2 ; [L534] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L536] COND TRUE 1 [L538] COND TRUE splverifierCounter < 4 [L544] tmp = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp)) [L554] tmp___0 = __VERIFIER_nondet_int() [L556] COND FALSE !(\read(tmp___0)) [L564] tmp___2 = __VERIFIER_nondet_int() [L566] COND FALSE !(\read(tmp___2)) [L572] tmp___1 = __VERIFIER_nondet_int() [L574] COND TRUE \read(tmp___1) [L581] CALL timeShift() [L284] COND FALSE !(\read(pumpRunning)) [L291] COND TRUE \read(systemActive) [L293] CALL processEnvironment() [L339] int tmp ; [L342] COND FALSE !(\read(pumpRunning)) [L357] CALL processEnvironment__wrappee__highWaterSensor() [L313] int tmp ; [L316] COND TRUE ! pumpRunning [L318] CALL, EXPR isHighWaterLevel() [L454] int retValue_acc ; [L455] int tmp ; [L456] int tmp___0 ; [L460] CALL, EXPR isHighWaterSensorDry() [L147] int retValue_acc ; [L150] COND TRUE waterLevel < 2 [L151] retValue_acc = 1 [L152] return (retValue_acc); [L460] RET, EXPR isHighWaterSensorDry() [L460] tmp = isHighWaterSensorDry() [L462] COND TRUE \read(tmp) [L463] tmp___0 = 0 [L467] retValue_acc = tmp___0 [L468] return (retValue_acc); [L318] RET, EXPR isHighWaterLevel() [L318] tmp = isHighWaterLevel() [L320] COND FALSE !(\read(tmp)) [L326] FCALL processEnvironment__wrappee__base() [L357] RET processEnvironment__wrappee__highWaterSensor() [L293] RET processEnvironment() [L299] CALL __utac_acc__Specification1_spec__1() [L501] int tmp ; [L502] int tmp___0 ; [L506] CALL, EXPR isMethaneLevelCritical() [L106] int retValue_acc ; [L109] retValue_acc = methaneLevelCritical [L110] return (retValue_acc); [L506] RET, EXPR isMethaneLevelCritical() [L506] tmp = isMethaneLevelCritical() [L508] COND FALSE !(\read(tmp)) [L299] RET __utac_acc__Specification1_spec__1() [L581] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 536]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L67] int waterLevel = 1; [L68] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L276] int pumpRunning = 0; [L277] int systemActive = 1; [L797] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L619] int retValue_acc ; [L622] retValue_acc = 1 [L623] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L240] CALL test() [L527] int splverifierCounter ; [L528] int tmp ; [L529] int tmp___0 ; [L530] int tmp___1 ; [L531] int tmp___2 ; [L534] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L536] COND TRUE 1 [L538] COND TRUE splverifierCounter < 4 [L544] tmp = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp)) [L554] tmp___0 = __VERIFIER_nondet_int() [L556] COND FALSE !(\read(tmp___0)) [L564] tmp___2 = __VERIFIER_nondet_int() [L566] COND FALSE !(\read(tmp___2)) [L572] tmp___1 = __VERIFIER_nondet_int() [L574] COND TRUE \read(tmp___1) [L581] CALL timeShift() [L284] COND FALSE !(\read(pumpRunning)) [L291] COND TRUE \read(systemActive) [L293] CALL processEnvironment() [L339] int tmp ; [L342] COND FALSE !(\read(pumpRunning)) [L357] CALL processEnvironment__wrappee__highWaterSensor() [L313] int tmp ; [L316] COND TRUE ! pumpRunning [L318] CALL, EXPR isHighWaterLevel() [L454] int retValue_acc ; [L455] int tmp ; [L456] int tmp___0 ; [L460] CALL, EXPR isHighWaterSensorDry() [L147] int retValue_acc ; [L150] COND TRUE waterLevel < 2 [L151] retValue_acc = 1 [L152] return (retValue_acc); [L460] RET, EXPR isHighWaterSensorDry() [L460] tmp = isHighWaterSensorDry() [L462] COND TRUE \read(tmp) [L463] tmp___0 = 0 [L467] retValue_acc = tmp___0 [L468] return (retValue_acc); [L318] RET, EXPR isHighWaterLevel() [L318] tmp = isHighWaterLevel() [L320] COND FALSE !(\read(tmp)) [L326] FCALL processEnvironment__wrappee__base() [L357] RET processEnvironment__wrappee__highWaterSensor() [L293] RET processEnvironment() [L299] CALL __utac_acc__Specification1_spec__1() [L501] int tmp ; [L502] int tmp___0 ; [L506] CALL, EXPR isMethaneLevelCritical() [L106] int retValue_acc ; [L109] retValue_acc = methaneLevelCritical [L110] return (retValue_acc); [L506] RET, EXPR isMethaneLevelCritical() [L506] tmp = isMethaneLevelCritical() [L508] COND FALSE !(\read(tmp)) [L299] RET __utac_acc__Specification1_spec__1() [L581] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:44:49,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)