./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product59.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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:16:55,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:16:55,614 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:16:55,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:16:55,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:16:55,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:16:55,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:16:55,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:16:55,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:16:55,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:16:55,642 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:16:55,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:16:55,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:16:55,643 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:16:55,643 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:16:55,643 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:16:55,643 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:16:55,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:16:55,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:16:55,645 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:16:55,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:16:55,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:16:55,645 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:16:55,646 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2025-03-04 16:16:55,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:16:55,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:16:55,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:16:55,906 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:16:55,906 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:16:55,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2025-03-04 16:16:57,099 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15edd445f/6f0525018ebc4f5e97fd2e7400a6997a/FLAGc13526621 [2025-03-04 16:16:57,372 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:16:57,377 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2025-03-04 16:16:57,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15edd445f/6f0525018ebc4f5e97fd2e7400a6997a/FLAGc13526621 [2025-03-04 16:16:57,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15edd445f/6f0525018ebc4f5e97fd2e7400a6997a [2025-03-04 16:16:57,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:16:57,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:16:57,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:16:57,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:16:57,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:16:57,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e3aef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57, skipping insertion in model container [2025-03-04 16:16:57,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:16:57,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:16:57,692 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:16:57,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-03-04 16:16:57,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [87] [2025-03-04 16:16:57,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [116] [2025-03-04 16:16:57,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] [2025-03-04 16:16:57,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [426] [2025-03-04 16:16:57,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [522] [2025-03-04 16:16:57,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [625] [2025-03-04 16:16:57,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] [2025-03-04 16:16:57,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:16:57,767 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:16:57,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57 WrapperNode [2025-03-04 16:16:57,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:16:57,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:16:57,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:16:57,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:16:57,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,801 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 100, statements flattened = 676 [2025-03-04 16:16:57,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:16:57,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:16:57,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:16:57,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:16:57,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,820 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 16:16:57,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:16:57,836 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:16:57,836 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:16:57,836 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:16:57,837 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (1/1) ... [2025-03-04 16:16:57,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:16:57,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:16:57,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-04 16:16:57,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-04 16:16:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:16:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:16:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:16:57,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:16:57,948 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:16:57,950 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:16:58,335 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L334-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L334-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L334-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L599-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L599-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L599-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-03-04 16:16:58,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:58,338 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:58,338 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:58,338 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:58,338 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:58,338 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-03-04 16:16:58,338 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L519-1: main_#res#1 := main_~retValue_acc~6#1; [2025-03-04 16:16:58,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:58,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:58,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:58,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:58,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:58,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2025-03-04 16:16:58,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L622-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-03-04 16:16:58,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L622-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L622-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L408-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L408-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L408-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-03-04 16:16:58,340 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-03-04 16:16:58,359 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2025-03-04 16:16:58,359 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:16:58,367 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:16:58,367 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:16:58,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:58 BoogieIcfgContainer [2025-03-04 16:16:58,368 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:16:58,368 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:16:58,368 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:16:58,372 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:16:58,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:58,372 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:16:57" (1/3) ... [2025-03-04 16:16:58,373 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c69813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:16:58, skipping insertion in model container [2025-03-04 16:16:58,373 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:58,373 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:16:57" (2/3) ... [2025-03-04 16:16:58,373 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c69813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:16:58, skipping insertion in model container [2025-03-04 16:16:58,373 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:16:58,373 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:58" (3/3) ... [2025-03-04 16:16:58,374 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2025-03-04 16:16:58,405 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:16:58,405 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:16:58,405 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:16:58,405 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:16:58,405 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:16:58,405 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:16:58,405 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:16:58,405 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:16:58,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.3473684210526315) internal successors, (256), 190 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:58,425 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2025-03-04 16:16:58,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:58,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:58,430 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:58,431 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:58,431 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:16:58,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.3473684210526315) internal successors, (256), 190 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:58,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2025-03-04 16:16:58,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:58,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:58,438 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:58,438 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:58,443 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:58,443 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:16:58,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:58,448 INFO L85 PathProgramCache]: Analyzing trace with hash -331507155, now seen corresponding path program 1 times [2025-03-04 16:16:58,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:58,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164617387] [2025-03-04 16:16:58,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:58,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:58,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:58,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:58,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:58,520 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:58,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:58,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:58,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:58,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:58,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:58,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:58,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1812807450, now seen corresponding path program 1 times [2025-03-04 16:16:58,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:58,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601644795] [2025-03-04 16:16:58,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:58,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:58,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 16:16:58,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 16:16:58,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:58,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:58,563 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:58,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 16:16:58,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 16:16:58,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:58,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:58,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:58,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:58,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1656391534, now seen corresponding path program 1 times [2025-03-04 16:16:58,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:58,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820977150] [2025-03-04 16:16:58,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:58,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 16:16:58,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 16:16:58,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:58,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:16:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:16:58,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:16:58,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820977150] [2025-03-04 16:16:58,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820977150] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:16:58,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:16:58,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:16:58,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762484677] [2025-03-04 16:16:58,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:16:58,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:16:58,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:16:58,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:16:58,777 INFO L87 Difference]: Start difference. First operand has 191 states, 190 states have (on average 1.3473684210526315) internal successors, (256), 190 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:16:58,821 INFO L93 Difference]: Finished difference Result 362 states and 478 transitions. [2025-03-04 16:16:58,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 362 states and 478 transitions. [2025-03-04 16:16:58,827 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 232 [2025-03-04 16:16:58,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 362 states to 342 states and 457 transitions. [2025-03-04 16:16:58,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 342 [2025-03-04 16:16:58,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 342 [2025-03-04 16:16:58,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 342 states and 457 transitions. [2025-03-04 16:16:58,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:16:58,842 INFO L218 hiAutomatonCegarLoop]: Abstraction has 342 states and 457 transitions. [2025-03-04 16:16:58,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states and 457 transitions. [2025-03-04 16:16:58,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 339. [2025-03-04 16:16:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 339 states have (on average 1.336283185840708) internal successors, (453), 338 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 453 transitions. [2025-03-04 16:16:58,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 339 states and 453 transitions. [2025-03-04 16:16:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:16:58,881 INFO L432 stractBuchiCegarLoop]: Abstraction has 339 states and 453 transitions. [2025-03-04 16:16:58,881 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:16:58,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 339 states and 453 transitions. [2025-03-04 16:16:58,884 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 232 [2025-03-04 16:16:58,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:58,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:58,884 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:58,884 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] [2025-03-04 16:16:58,885 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:58,885 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:16:58,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:58,885 INFO L85 PathProgramCache]: Analyzing trace with hash -331507155, now seen corresponding path program 2 times [2025-03-04 16:16:58,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:58,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433076007] [2025-03-04 16:16:58,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:16:58,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:58,891 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:58,898 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:58,898 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:16:58,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:58,898 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:58,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:58,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:58,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:58,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:58,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:58,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:58,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1505109126, now seen corresponding path program 1 times [2025-03-04 16:16:58,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:58,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017562569] [2025-03-04 16:16:58,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:58,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:58,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 16:16:58,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 16:16:58,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:58,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:16:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:16:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:16:58,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017562569] [2025-03-04 16:16:58,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017562569] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:16:58,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:16:58,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:16:58,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033380756] [2025-03-04 16:16:58,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:16:58,939 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:16:58,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:16:58,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:16:58,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:16:58,940 INFO L87 Difference]: Start difference. First operand 339 states and 453 transitions. cyclomatic complexity: 118 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:59,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:16:59,013 INFO L93 Difference]: Finished difference Result 458 states and 589 transitions. [2025-03-04 16:16:59,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 458 states and 589 transitions. [2025-03-04 16:16:59,017 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 321 [2025-03-04 16:16:59,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 458 states to 458 states and 589 transitions. [2025-03-04 16:16:59,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2025-03-04 16:16:59,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2025-03-04 16:16:59,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 458 states and 589 transitions. [2025-03-04 16:16:59,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:16:59,023 INFO L218 hiAutomatonCegarLoop]: Abstraction has 458 states and 589 transitions. [2025-03-04 16:16:59,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states and 589 transitions. [2025-03-04 16:16:59,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2025-03-04 16:16:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 458 states have (on average 1.2860262008733625) internal successors, (589), 457 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:16:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 589 transitions. [2025-03-04 16:16:59,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 458 states and 589 transitions. [2025-03-04 16:16:59,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:16:59,062 INFO L432 stractBuchiCegarLoop]: Abstraction has 458 states and 589 transitions. [2025-03-04 16:16:59,062 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 16:16:59,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 458 states and 589 transitions. [2025-03-04 16:16:59,064 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 321 [2025-03-04 16:16:59,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:16:59,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:16:59,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:16:59,067 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] [2025-03-04 16:16:59,068 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:16:59,068 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret23#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1;" "isHighWaterLevel_#t~ret23#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret23#1;havoc isHighWaterLevel_#t~ret23#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret23#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:16:59,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:59,069 INFO L85 PathProgramCache]: Analyzing trace with hash -331507155, now seen corresponding path program 3 times [2025-03-04 16:16:59,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:59,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308444137] [2025-03-04 16:16:59,069 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 16:16:59,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:59,074 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:59,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:59,084 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 16:16:59,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:59,084 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:59,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:59,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:59,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:59,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:59,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:59,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:59,093 INFO L85 PathProgramCache]: Analyzing trace with hash -991674525, now seen corresponding path program 1 times [2025-03-04 16:16:59,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:59,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815539920] [2025-03-04 16:16:59,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:59,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:59,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 16:16:59,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 16:16:59,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:59,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:59,104 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:59,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 16:16:59,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 16:16:59,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:59,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:59,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:59,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:16:59,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1290025615, now seen corresponding path program 1 times [2025-03-04 16:16:59,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:16:59,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316419189] [2025-03-04 16:16:59,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:16:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:16:59,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-04 16:16:59,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-04 16:16:59,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:59,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:59,130 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:59,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-04 16:16:59,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-04 16:16:59,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:59,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:59,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:16:59,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:59,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:59,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:59,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:59,856 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:16:59,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 16:16:59,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 16:16:59,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:16:59,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:16:59,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:16:59 BoogieIcfgContainer [2025-03-04 16:16:59,908 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:16:59,908 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:16:59,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:16:59,908 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:16:59,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:16:58" (3/4) ... [2025-03-04 16:16:59,912 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-04 16:16:59,940 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 16:16:59,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:16:59,941 INFO L158 Benchmark]: Toolchain (without parser) took 2530.68ms. Allocated memory is still 201.3MB. Free memory was 158.0MB in the beginning and 116.5MB in the end (delta: 41.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2025-03-04 16:16:59,943 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:59,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.64ms. Allocated memory is still 201.3MB. Free memory was 158.0MB in the beginning and 139.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:16:59,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.86ms. Allocated memory is still 201.3MB. Free memory was 139.4MB in the beginning and 136.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:16:59,943 INFO L158 Benchmark]: Boogie Preprocessor took 32.34ms. Allocated memory is still 201.3MB. Free memory was 136.3MB in the beginning and 133.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:59,943 INFO L158 Benchmark]: IcfgBuilder took 531.63ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 100.0MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-04 16:16:59,944 INFO L158 Benchmark]: BuchiAutomizer took 1539.45ms. Allocated memory is still 201.3MB. Free memory was 100.0MB in the beginning and 121.0MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:16:59,944 INFO L158 Benchmark]: Witness Printer took 32.54ms. Allocated memory is still 201.3MB. Free memory was 121.0MB in the beginning and 116.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:16:59,945 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.64ms. Allocated memory is still 201.3MB. Free memory was 158.0MB in the beginning and 139.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.86ms. Allocated memory is still 201.3MB. Free memory was 139.4MB in the beginning and 136.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.34ms. Allocated memory is still 201.3MB. Free memory was 136.3MB in the beginning and 133.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 531.63ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 100.0MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1539.45ms. Allocated memory is still 201.3MB. Free memory was 100.0MB in the beginning and 121.0MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.54ms. Allocated memory is still 201.3MB. Free memory was 121.0MB in the beginning and 116.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [87] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [116] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] - GenericResultAtLocation [Line: 426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [426] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [522] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [625] - GenericResultAtLocation [Line: 634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] * 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 458 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 390 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 390 mSDsluCounter, 801 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 332 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 469 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 132]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L197] int pumpRunning = 0; [L198] int systemActive = 1; [L427] int cleanupTimeShifts = 4; [L523] int waterLevel = 1; [L524] int methaneLevelCritical = 0; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L494] CALL test() [L123] int splverifierCounter ; [L124] int tmp ; [L125] int tmp___0 ; [L126] int tmp___1 ; [L127] int tmp___2 ; [L130] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L132] COND TRUE 1 [L134] COND TRUE splverifierCounter < 4 [L140] tmp = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp)) [L150] tmp___0 = __VERIFIER_nondet_int() [L152] COND FALSE !(\read(tmp___0)) [L160] tmp___2 = __VERIFIER_nondet_int() [L162] COND TRUE \read(tmp___2) [L177] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] CALL processEnvironment() [L259] int tmp ; [L262] COND FALSE !(\read(pumpRunning)) [L277] CALL processEnvironment__wrappee__highWaterSensor() [L233] int tmp ; [L236] COND TRUE ! pumpRunning [L238] CALL, EXPR isHighWaterLevel() [L374] int retValue_acc ; [L375] int tmp ; [L376] int tmp___0 ; [L380] CALL, EXPR isHighWaterSensorDry() [L603] int retValue_acc ; [L606] COND TRUE waterLevel < 2 [L607] retValue_acc = 1 [L608] return (retValue_acc); [L380] RET, EXPR isHighWaterSensorDry() [L380] tmp = isHighWaterSensorDry() [L382] COND TRUE \read(tmp) [L383] tmp___0 = 0 [L387] retValue_acc = tmp___0 [L388] return (retValue_acc); [L238] RET, EXPR isHighWaterLevel() [L238] tmp = isHighWaterLevel() [L240] COND FALSE !(\read(tmp)) [L246] FCALL processEnvironment__wrappee__base() [L277] RET processEnvironment__wrappee__highWaterSensor() [L213] RET processEnvironment() [L219] CALL __utac_acc__Specification4_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR getWaterLevel() [L594] int retValue_acc ; [L597] retValue_acc = waterLevel [L598] return (retValue_acc); [L97] RET, EXPR getWaterLevel() [L97] tmp = getWaterLevel() [L99] COND FALSE !(tmp == 0) [L219] RET __utac_acc__Specification4_spec__1() [L177] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 132]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L197] int pumpRunning = 0; [L198] int systemActive = 1; [L427] int cleanupTimeShifts = 4; [L523] int waterLevel = 1; [L524] int methaneLevelCritical = 0; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L494] CALL test() [L123] int splverifierCounter ; [L124] int tmp ; [L125] int tmp___0 ; [L126] int tmp___1 ; [L127] int tmp___2 ; [L130] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L132] COND TRUE 1 [L134] COND TRUE splverifierCounter < 4 [L140] tmp = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp)) [L150] tmp___0 = __VERIFIER_nondet_int() [L152] COND FALSE !(\read(tmp___0)) [L160] tmp___2 = __VERIFIER_nondet_int() [L162] COND TRUE \read(tmp___2) [L177] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] CALL processEnvironment() [L259] int tmp ; [L262] COND FALSE !(\read(pumpRunning)) [L277] CALL processEnvironment__wrappee__highWaterSensor() [L233] int tmp ; [L236] COND TRUE ! pumpRunning [L238] CALL, EXPR isHighWaterLevel() [L374] int retValue_acc ; [L375] int tmp ; [L376] int tmp___0 ; [L380] CALL, EXPR isHighWaterSensorDry() [L603] int retValue_acc ; [L606] COND TRUE waterLevel < 2 [L607] retValue_acc = 1 [L608] return (retValue_acc); [L380] RET, EXPR isHighWaterSensorDry() [L380] tmp = isHighWaterSensorDry() [L382] COND TRUE \read(tmp) [L383] tmp___0 = 0 [L387] retValue_acc = tmp___0 [L388] return (retValue_acc); [L238] RET, EXPR isHighWaterLevel() [L238] tmp = isHighWaterLevel() [L240] COND FALSE !(\read(tmp)) [L246] FCALL processEnvironment__wrappee__base() [L277] RET processEnvironment__wrappee__highWaterSensor() [L213] RET processEnvironment() [L219] CALL __utac_acc__Specification4_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR getWaterLevel() [L594] int retValue_acc ; [L597] retValue_acc = waterLevel [L598] return (retValue_acc); [L97] RET, EXPR getWaterLevel() [L97] tmp = getWaterLevel() [L99] COND FALSE !(tmp == 0) [L219] RET __utac_acc__Specification4_spec__1() [L177] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-04 16:16:59,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)