./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product53.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_spec5_product53.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 e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:17:29,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:17:29,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:17:29,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:17:29,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:17:29,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:17:29,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:17:29,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:17:29,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:17:29,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:17:29,721 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:17:29,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:17:29,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:17:29,722 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:17:29,722 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:17:29,723 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:17:29,723 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:17:29,723 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:17:29,723 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:17:29,723 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:17:29,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:17:29,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:17:29,723 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:17:29,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:17:29,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:17:29,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:17:29,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:17:29,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:17:29,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:17:29,724 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:17:29,725 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:17:29,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:17:29,725 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:17:29,725 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:17:29,725 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:17:29,725 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:17:29,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:17:29,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:17:29,725 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:17:29,726 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:17:29,726 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 -> e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 [2025-03-04 16:17:29,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:17:29,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:17:29,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:17:29,981 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:17:29,981 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:17:29,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2025-03-04 16:17:31,098 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36fd03183/08a663f261a64deebabb512d94359514/FLAG733bbe1ed [2025-03-04 16:17:31,387 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:17:31,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2025-03-04 16:17:31,404 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36fd03183/08a663f261a64deebabb512d94359514/FLAG733bbe1ed [2025-03-04 16:17:31,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36fd03183/08a663f261a64deebabb512d94359514 [2025-03-04 16:17:31,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:17:31,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:17:31,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:17:31,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:17:31,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:17:31,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:17:31" (1/1) ... [2025-03-04 16:17:31,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5e6dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:31, skipping insertion in model container [2025-03-04 16:17:31,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:17:31" (1/1) ... [2025-03-04 16:17:31,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:17:31,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:17:31,962 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:17:31,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2025-03-04 16:17:31,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415] [2025-03-04 16:17:31,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [653] [2025-03-04 16:17:31,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] [2025-03-04 16:17:31,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [759] [2025-03-04 16:17:31,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [810] [2025-03-04 16:17:31,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907] [2025-03-04 16:17:31,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916] [2025-03-04 16:17:32,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:17:32,055 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:17:32,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32 WrapperNode [2025-03-04 16:17:32,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:17:32,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:17:32,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:17:32,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:17:32,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,126 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 59, calls inlined = 147, statements flattened = 985 [2025-03-04 16:17:32,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:17:32,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:17:32,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:17:32,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:17:32,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,169 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 16:17:32,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:17:32,185 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:17:32,185 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:17:32,185 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:17:32,186 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (1/1) ... [2025-03-04 16:17:32,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:17:32,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:17:32,228 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 16:17:32,239 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 16:17:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:17:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:17:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:17:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:17:32,313 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:17:32,314 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:17:32,823 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L993-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L993-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L993-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,825 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,825 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L576-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1007-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-04 16:17:32,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L688-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2025-03-04 16:17:32,861 INFO L? ?]: Removed 241 outVars from TransFormulas that were not future-live. [2025-03-04 16:17:32,862 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:17:32,875 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:17:32,878 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:17:32,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:17:32 BoogieIcfgContainer [2025-03-04 16:17:32,878 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:17:32,879 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:17:32,879 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:17:32,883 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:17:32,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:17:32,883 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:17:31" (1/3) ... [2025-03-04 16:17:32,884 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43f049d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:17:32, skipping insertion in model container [2025-03-04 16:17:32,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:17:32,885 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:17:32" (2/3) ... [2025-03-04 16:17:32,886 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43f049d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:17:32, skipping insertion in model container [2025-03-04 16:17:32,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:17:32,886 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:17:32" (3/3) ... [2025-03-04 16:17:32,887 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2025-03-04 16:17:32,923 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:17:32,924 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:17:32,924 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:17:32,924 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:17:32,924 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:17:32,924 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:17:32,924 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:17:32,924 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:17:32,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 281 states, 280 states have (on average 1.3607142857142858) internal successors, (381), 280 states have internal predecessors, (381), 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 16:17:32,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 182 [2025-03-04 16:17:32,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:32,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:32,950 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:32,950 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:32,950 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:17:32,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 281 states, 280 states have (on average 1.3607142857142858) internal successors, (381), 280 states have internal predecessors, (381), 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 16:17:32,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 182 [2025-03-04 16:17:32,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:32,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:32,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:32,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:32,962 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:17:32,963 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:17:32,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:32,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1816073498, now seen corresponding path program 1 times [2025-03-04 16:17:32,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:32,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542309083] [2025-03-04 16:17:32,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:32,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:33,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:33,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,040 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:33,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:33,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:33,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:33,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,062 INFO L85 PathProgramCache]: Analyzing trace with hash -476771387, now seen corresponding path program 1 times [2025-03-04 16:17:33,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465706213] [2025-03-04 16:17:33,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 16:17:33,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 16:17:33,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,077 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:33,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 16:17:33,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 16:17:33,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:33,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,089 INFO L85 PathProgramCache]: Analyzing trace with hash -956191796, now seen corresponding path program 1 times [2025-03-04 16:17:33,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166597480] [2025-03-04 16:17:33,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:33,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 16:17:33,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 16:17:33,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:17:33,307 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 16:17:33,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:17:33,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166597480] [2025-03-04 16:17:33,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166597480] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:17:33,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:17:33,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 16:17:33,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606660632] [2025-03-04 16:17:33,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:17:33,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:17:33,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 16:17:33,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 16:17:33,406 INFO L87 Difference]: Start difference. First operand has 281 states, 280 states have (on average 1.3607142857142858) internal successors, (381), 280 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:17:33,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:17:33,467 INFO L93 Difference]: Finished difference Result 275 states and 366 transitions. [2025-03-04 16:17:33,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 366 transitions. [2025-03-04 16:17:33,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2025-03-04 16:17:33,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 265 states and 356 transitions. [2025-03-04 16:17:33,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 265 [2025-03-04 16:17:33,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 265 [2025-03-04 16:17:33,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 265 states and 356 transitions. [2025-03-04 16:17:33,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:17:33,486 INFO L218 hiAutomatonCegarLoop]: Abstraction has 265 states and 356 transitions. [2025-03-04 16:17:33,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states and 356 transitions. [2025-03-04 16:17:33,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2025-03-04 16:17:33,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 265 states have (on average 1.3433962264150943) internal successors, (356), 264 states have internal predecessors, (356), 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 16:17:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 356 transitions. [2025-03-04 16:17:33,508 INFO L240 hiAutomatonCegarLoop]: Abstraction has 265 states and 356 transitions. [2025-03-04 16:17:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 16:17:33,512 INFO L432 stractBuchiCegarLoop]: Abstraction has 265 states and 356 transitions. [2025-03-04 16:17:33,512 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:17:33,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 265 states and 356 transitions. [2025-03-04 16:17:33,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2025-03-04 16:17:33,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:33,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:33,513 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:33,513 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] [2025-03-04 16:17:33,514 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:17:33,514 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret30#1, isMethaneAlarm_~retValue_acc~3#1;havoc isMethaneAlarm_~retValue_acc~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "isMethaneAlarm_#t~ret30#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3#1 := isMethaneAlarm_#t~ret30#1;havoc isMethaneAlarm_#t~ret30#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1;" "processEnvironment_#t~ret29#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret30#1, isMethaneAlarm_~retValue_acc~3#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret29#1;havoc processEnvironment_#t~ret29#1;" "assume 0 != processEnvironment_~tmp~5#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:17:33,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1816073498, now seen corresponding path program 2 times [2025-03-04 16:17:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782120094] [2025-03-04 16:17:33,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:17:33,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,518 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:33,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:33,524 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:17:33,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,525 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:33,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:33,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:33,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:33,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,534 INFO L85 PathProgramCache]: Analyzing trace with hash 611780661, now seen corresponding path program 1 times [2025-03-04 16:17:33,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755979314] [2025-03-04 16:17:33,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:33,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 16:17:33,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 16:17:33,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:17:33,555 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 16:17:33,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:17:33,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755979314] [2025-03-04 16:17:33,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755979314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:17:33,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:17:33,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:17:33,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705737721] [2025-03-04 16:17:33,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:17:33,557 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:17:33,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:17:33,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:17:33,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:17:33,558 INFO L87 Difference]: Start difference. First operand 265 states and 356 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:17:33,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:17:33,651 INFO L93 Difference]: Finished difference Result 282 states and 359 transitions. [2025-03-04 16:17:33,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 282 states and 359 transitions. [2025-03-04 16:17:33,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 192 [2025-03-04 16:17:33,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 282 states to 282 states and 359 transitions. [2025-03-04 16:17:33,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2025-03-04 16:17:33,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2025-03-04 16:17:33,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 359 transitions. [2025-03-04 16:17:33,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:17:33,658 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 359 transitions. [2025-03-04 16:17:33,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 359 transitions. [2025-03-04 16:17:33,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2025-03-04 16:17:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.2730496453900708) internal successors, (359), 281 states have internal predecessors, (359), 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 16:17:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 359 transitions. [2025-03-04 16:17:33,670 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 359 transitions. [2025-03-04 16:17:33,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:17:33,671 INFO L432 stractBuchiCegarLoop]: Abstraction has 282 states and 359 transitions. [2025-03-04 16:17:33,671 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 16:17:33,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 359 transitions. [2025-03-04 16:17:33,672 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 192 [2025-03-04 16:17:33,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:33,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:33,674 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:33,674 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:33,674 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:17:33,675 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1;" "assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret27#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:17:33,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1816073498, now seen corresponding path program 3 times [2025-03-04 16:17:33,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043194862] [2025-03-04 16:17:33,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 16:17:33,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,681 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:33,686 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:33,686 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 16:17:33,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,686 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:33,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:33,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:33,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:33,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1525716245, now seen corresponding path program 1 times [2025-03-04 16:17:33,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387619649] [2025-03-04 16:17:33,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:33,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-04 16:17:33,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-04 16:17:33,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:17:33,747 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 16:17:33,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:17:33,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387619649] [2025-03-04 16:17:33,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387619649] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:17:33,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:17:33,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 16:17:33,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282397016] [2025-03-04 16:17:33,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:17:33,749 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:17:33,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:17:33,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 16:17:33,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 16:17:33,750 INFO L87 Difference]: Start difference. First operand 282 states and 359 transitions. cyclomatic complexity: 79 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 16:17:33,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:17:33,863 INFO L93 Difference]: Finished difference Result 554 states and 691 transitions. [2025-03-04 16:17:33,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 554 states and 691 transitions. [2025-03-04 16:17:33,866 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 382 [2025-03-04 16:17:33,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 554 states to 554 states and 691 transitions. [2025-03-04 16:17:33,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 554 [2025-03-04 16:17:33,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 554 [2025-03-04 16:17:33,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 554 states and 691 transitions. [2025-03-04 16:17:33,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:17:33,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 554 states and 691 transitions. [2025-03-04 16:17:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states and 691 transitions. [2025-03-04 16:17:33,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2025-03-04 16:17:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 554 states have (on average 1.2472924187725631) internal successors, (691), 553 states have internal predecessors, (691), 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 16:17:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 691 transitions. [2025-03-04 16:17:33,885 INFO L240 hiAutomatonCegarLoop]: Abstraction has 554 states and 691 transitions. [2025-03-04 16:17:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 16:17:33,887 INFO L432 stractBuchiCegarLoop]: Abstraction has 554 states and 691 transitions. [2025-03-04 16:17:33,887 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-04 16:17:33,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 554 states and 691 transitions. [2025-03-04 16:17:33,889 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 382 [2025-03-04 16:17:33,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:17:33,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:17:33,890 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:33,890 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:17:33,890 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret49#1;havoc main_#t~ret49#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-04 16:17:33,890 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet42#1;test_~tmp~8#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet43#1;test_~tmp___0~2#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1;" "assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret27#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret27#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__3_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret48#1;havoc __utac_acc__Specification5_spec__3_#t~ret48#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-04 16:17:33,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1816073498, now seen corresponding path program 4 times [2025-03-04 16:17:33,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207202591] [2025-03-04 16:17:33,891 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 16:17:33,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,895 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 8 statements into 2 equivalence classes. [2025-03-04 16:17:33,897 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:33,899 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 16:17:33,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,899 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:33,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:33,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:33,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:33,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1630065367, now seen corresponding path program 1 times [2025-03-04 16:17:33,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866186563] [2025-03-04 16:17:33,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:33,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 16:17:33,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 16:17:33,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,917 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:33,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 16:17:33,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 16:17:33,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:33,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:17:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1267965506, now seen corresponding path program 1 times [2025-03-04 16:17:33,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:17:33,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271745963] [2025-03-04 16:17:33,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:17:33,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:17:33,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 16:17:33,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 16:17:33,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,935 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:33,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 16:17:33,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 16:17:33,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:33,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:33,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:17:34,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:34,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:34,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:34,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:34,623 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:17:34,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 16:17:34,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 16:17:34,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:17:34,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:17:34,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:17:34 BoogieIcfgContainer [2025-03-04 16:17:34,662 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:17:34,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:17:34,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:17:34,663 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:17:34,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:17:32" (3/4) ... [2025-03-04 16:17:34,667 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-04 16:17:34,701 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 16:17:34,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:17:34,702 INFO L158 Benchmark]: Toolchain (without parser) took 3016.10ms. Allocated memory is still 167.8MB. Free memory was 129.6MB in the beginning and 81.5MB in the end (delta: 48.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2025-03-04 16:17:34,702 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:17:34,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.08ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 110.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:17:34,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.73ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 107.0MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:17:34,703 INFO L158 Benchmark]: Boogie Preprocessor took 57.88ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 103.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:17:34,703 INFO L158 Benchmark]: IcfgBuilder took 693.28ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 57.5MB in the end (delta: 45.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-04 16:17:34,703 INFO L158 Benchmark]: BuchiAutomizer took 1783.48ms. Allocated memory is still 167.8MB. Free memory was 57.1MB in the beginning and 84.4MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:17:34,703 INFO L158 Benchmark]: Witness Printer took 38.66ms. Allocated memory is still 167.8MB. Free memory was 84.4MB in the beginning and 81.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:17:34,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.08ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 110.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.73ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 107.0MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.88ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 103.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 693.28ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 57.5MB in the end (delta: 45.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1783.48ms. Allocated memory is still 167.8MB. Free memory was 57.1MB in the beginning and 84.4MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.66ms. Allocated memory is still 167.8MB. Free memory was 84.4MB in the beginning and 81.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415] - GenericResultAtLocation [Line: 653]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [653] - GenericResultAtLocation [Line: 691]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] - GenericResultAtLocation [Line: 759]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [759] - GenericResultAtLocation [Line: 810]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [810] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [907] - GenericResultAtLocation [Line: 916]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 554 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 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, 791 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 791 mSDsluCounter, 2575 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1637 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 938 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 705]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L762] int switchedOnBeforeTS ; [L811] int cleanupTimeShifts = 4; [L917] int waterLevel = 1; [L918] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L885] int retValue_acc ; [L886] int tmp ; [L890] FCALL select_helpers() [L891] FCALL select_features() [L892] CALL, EXPR valid_product() [L683] int retValue_acc ; [L686] retValue_acc = 1 [L687] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L892] RET, EXPR valid_product() [L892] tmp = valid_product() [L894] COND TRUE \read(tmp) [L896] FCALL setup() [L897] CALL runTest() [L878] CALL __utac_acc__Specification5_spec__1() [L767] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L878] RET __utac_acc__Specification5_spec__1() [L879] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L705] COND TRUE 1 [L707] COND TRUE splverifierCounter < 4 [L713] tmp = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp)) [L723] tmp___0 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___0)) [L733] tmp___2 = __VERIFIER_nondet_int() [L735] COND TRUE \read(tmp___2) [L748] CALL timeShift() [L436] CALL __utac_acc__Specification5_spec__2() [L776] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L776] RET, EXPR isPumpRunning() [L776] switchedOnBeforeTS = isPumpRunning() [L436] RET __utac_acc__Specification5_spec__2() [L438] COND FALSE !(\read(pumpRunning)) [L445] COND TRUE \read(systemActive) [L447] CALL processEnvironment() [L519] int tmp ; [L522] COND FALSE !(\read(pumpRunning)) [L537] CALL processEnvironment__wrappee__lowWaterSensor() [L493] int tmp ; [L496] COND FALSE !(\read(pumpRunning)) [L511] CALL processEnvironment__wrappee__highWaterSensor() [L467] int tmp ; [L470] COND TRUE ! pumpRunning [L472] CALL, EXPR isHighWaterLevel() [L616] int retValue_acc ; [L617] int tmp ; [L618] int tmp___0 ; [L622] CALL, EXPR isHighWaterSensorDry() [L997] int retValue_acc ; [L1000] COND TRUE waterLevel < 2 [L1001] retValue_acc = 1 [L1002] return (retValue_acc); [L622] RET, EXPR isHighWaterSensorDry() [L622] tmp = isHighWaterSensorDry() [L624] COND TRUE \read(tmp) [L625] tmp___0 = 0 [L629] retValue_acc = tmp___0 [L630] return (retValue_acc); [L472] RET, EXPR isHighWaterLevel() [L472] tmp = isHighWaterLevel() [L474] COND FALSE !(\read(tmp)) [L480] FCALL processEnvironment__wrappee__base() [L511] RET processEnvironment__wrappee__highWaterSensor() [L537] RET processEnvironment__wrappee__lowWaterSensor() [L447] RET processEnvironment() [L453] CALL __utac_acc__Specification5_spec__3() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR getWaterLevel() [L988] int retValue_acc ; [L991] retValue_acc = waterLevel [L992] return (retValue_acc); [L787] RET, EXPR getWaterLevel() [L787] tmp = getWaterLevel() [L789] COND TRUE tmp != 2 [L791] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L791] RET, EXPR isPumpRunning() [L791] tmp___0 = isPumpRunning() [L793] COND FALSE !(\read(tmp___0)) [L453] RET __utac_acc__Specification5_spec__3() [L748] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 705]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L762] int switchedOnBeforeTS ; [L811] int cleanupTimeShifts = 4; [L917] int waterLevel = 1; [L918] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L885] int retValue_acc ; [L886] int tmp ; [L890] FCALL select_helpers() [L891] FCALL select_features() [L892] CALL, EXPR valid_product() [L683] int retValue_acc ; [L686] retValue_acc = 1 [L687] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L892] RET, EXPR valid_product() [L892] tmp = valid_product() [L894] COND TRUE \read(tmp) [L896] FCALL setup() [L897] CALL runTest() [L878] CALL __utac_acc__Specification5_spec__1() [L767] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L878] RET __utac_acc__Specification5_spec__1() [L879] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L705] COND TRUE 1 [L707] COND TRUE splverifierCounter < 4 [L713] tmp = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp)) [L723] tmp___0 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___0)) [L733] tmp___2 = __VERIFIER_nondet_int() [L735] COND TRUE \read(tmp___2) [L748] CALL timeShift() [L436] CALL __utac_acc__Specification5_spec__2() [L776] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L776] RET, EXPR isPumpRunning() [L776] switchedOnBeforeTS = isPumpRunning() [L436] RET __utac_acc__Specification5_spec__2() [L438] COND FALSE !(\read(pumpRunning)) [L445] COND TRUE \read(systemActive) [L447] CALL processEnvironment() [L519] int tmp ; [L522] COND FALSE !(\read(pumpRunning)) [L537] CALL processEnvironment__wrappee__lowWaterSensor() [L493] int tmp ; [L496] COND FALSE !(\read(pumpRunning)) [L511] CALL processEnvironment__wrappee__highWaterSensor() [L467] int tmp ; [L470] COND TRUE ! pumpRunning [L472] CALL, EXPR isHighWaterLevel() [L616] int retValue_acc ; [L617] int tmp ; [L618] int tmp___0 ; [L622] CALL, EXPR isHighWaterSensorDry() [L997] int retValue_acc ; [L1000] COND TRUE waterLevel < 2 [L1001] retValue_acc = 1 [L1002] return (retValue_acc); [L622] RET, EXPR isHighWaterSensorDry() [L622] tmp = isHighWaterSensorDry() [L624] COND TRUE \read(tmp) [L625] tmp___0 = 0 [L629] retValue_acc = tmp___0 [L630] return (retValue_acc); [L472] RET, EXPR isHighWaterLevel() [L472] tmp = isHighWaterLevel() [L474] COND FALSE !(\read(tmp)) [L480] FCALL processEnvironment__wrappee__base() [L511] RET processEnvironment__wrappee__highWaterSensor() [L537] RET processEnvironment__wrappee__lowWaterSensor() [L447] RET processEnvironment() [L453] CALL __utac_acc__Specification5_spec__3() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR getWaterLevel() [L988] int retValue_acc ; [L991] retValue_acc = waterLevel [L992] return (retValue_acc); [L787] RET, EXPR getWaterLevel() [L787] tmp = getWaterLevel() [L789] COND TRUE tmp != 2 [L791] CALL, EXPR isPumpRunning() [L571] int retValue_acc ; [L574] retValue_acc = pumpRunning [L575] return (retValue_acc); [L791] RET, EXPR isPumpRunning() [L791] tmp___0 = isPumpRunning() [L793] COND FALSE !(\read(tmp___0)) [L453] RET __utac_acc__Specification5_spec__3() [L748] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-04 16:17:34,724 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)