./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product23.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 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:28:57,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:28:57,921 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:28:57,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:28:57,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:28:57,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:28:57,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:28:57,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:28:57,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:28:57,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:28:57,945 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:28:57,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:28:57,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:28:57,945 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:28:57,946 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:28:57,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:28:57,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:28:57,947 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:28:57,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:28:57,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:28:57,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:28:57,948 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:28:57,948 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 -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2025-03-09 07:28:58,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:28:58,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:28:58,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:28:58,177 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:28:58,177 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:28:58,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2025-03-09 07:28:59,293 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4064e190/a6009c068a334b44b6e1961c0d041986/FLAG14c5b394d [2025-03-09 07:28:59,538 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:28:59,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2025-03-09 07:28:59,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4064e190/a6009c068a334b44b6e1961c0d041986/FLAG14c5b394d [2025-03-09 07:28:59,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4064e190/a6009c068a334b44b6e1961c0d041986 [2025-03-09 07:28:59,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:28:59,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:28:59,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:28:59,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:28:59,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:28:59,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:28:59" (1/1) ... [2025-03-09 07:28:59,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16db9792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:59, skipping insertion in model container [2025-03-09 07:28:59,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:28:59" (1/1) ... [2025-03-09 07:28:59,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:29:00,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:00,066 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:29:00,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2025-03-09 07:29:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2025-03-09 07:29:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] [2025-03-09 07:29:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] [2025-03-09 07:29:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] [2025-03-09 07:29:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] [2025-03-09 07:29:00,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] [2025-03-09 07:29:00,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] [2025-03-09 07:29:00,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:00,138 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:29:00,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00 WrapperNode [2025-03-09 07:29:00,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:00,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:00,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:29:00,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:29:00,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,171 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 508 [2025-03-09 07:29:00,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:00,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:29:00,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:29:00,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:29:00,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,200 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]. [2025-03-09 07:29:00,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:29:00,210 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:29:00,210 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:29:00,210 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:29:00,211 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (1/1) ... [2025-03-09 07:29:00,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:29:00,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:29:00,234 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) [2025-03-09 07:29:00,236 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 [2025-03-09 07:29:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:29:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:29:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:29:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:29:00,308 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:29:00,310 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L937-1: main_#res#1 := main_~retValue_acc~11#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-03-09 07:29:00,606 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-03-09 07:29:00,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L841-1: valid_product_#res#1 := valid_product_~retValue_acc~10#1; [2025-03-09 07:29:00,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:00,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:00,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:00,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:00,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:00,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:00,621 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-03-09 07:29:00,621 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:29:00,632 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:29:00,632 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:29:00,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:00 BoogieIcfgContainer [2025-03-09 07:29:00,633 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:29:00,634 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:29:00,634 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:29:00,637 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:29:00,638 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:00,638 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:28:59" (1/3) ... [2025-03-09 07:29:00,639 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1639a493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:00, skipping insertion in model container [2025-03-09 07:29:00,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:00,639 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:00" (2/3) ... [2025-03-09 07:29:00,639 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1639a493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:00, skipping insertion in model container [2025-03-09 07:29:00,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:00,639 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:00" (3/3) ... [2025-03-09 07:29:00,640 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2025-03-09 07:29:00,673 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:29:00,673 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:29:00,673 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:29:00,674 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:29:00,674 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:29:00,674 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:29:00,674 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:29:00,674 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:29:00,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 153 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 152 states have internal predecessors, (203), 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) [2025-03-09 07:29:00,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2025-03-09 07:29:00,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:00,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:00,702 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:00,702 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:00,702 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:29:00,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 153 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 152 states have internal predecessors, (203), 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) [2025-03-09 07:29:00,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2025-03-09 07:29:00,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:00,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:00,710 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:00,710 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:00,715 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:00,715 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:00,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:00,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1531972520, now seen corresponding path program 1 times [2025-03-09 07:29:00,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:00,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11794863] [2025-03-09 07:29:00,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:00,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:00,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:00,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:00,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:00,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:00,786 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:00,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:00,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:00,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:00,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:00,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:00,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:00,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1770386826, now seen corresponding path program 1 times [2025-03-09 07:29:00,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:00,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578464365] [2025-03-09 07:29:00,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:00,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:00,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 07:29:00,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 07:29:00,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:00,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:00,828 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:00,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 07:29:00,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 07:29:00,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:00,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:00,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:00,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:00,843 INFO L85 PathProgramCache]: Analyzing trace with hash -243456547, now seen corresponding path program 1 times [2025-03-09 07:29:00,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:00,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493603677] [2025-03-09 07:29:00,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:00,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:00,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 07:29:00,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 07:29:00,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:00,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:29:00,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:00,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493603677] [2025-03-09 07:29:00,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493603677] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:00,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:00,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 07:29:00,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234288466] [2025-03-09 07:29:00,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:01,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:01,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:29:01,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:29:01,044 INFO L87 Difference]: Start difference. First operand has 153 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 152 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:29:01,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:01,092 INFO L93 Difference]: Finished difference Result 286 states and 372 transitions. [2025-03-09 07:29:01,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 286 states and 372 transitions. [2025-03-09 07:29:01,100 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 180 [2025-03-09 07:29:01,107 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 286 states to 266 states and 351 transitions. [2025-03-09 07:29:01,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 266 [2025-03-09 07:29:01,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 266 [2025-03-09 07:29:01,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 266 states and 351 transitions. [2025-03-09 07:29:01,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:01,112 INFO L218 hiAutomatonCegarLoop]: Abstraction has 266 states and 351 transitions. [2025-03-09 07:29:01,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states and 351 transitions. [2025-03-09 07:29:01,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 263. [2025-03-09 07:29:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 263 states have (on average 1.3193916349809887) internal successors, (347), 262 states have internal predecessors, (347), 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) [2025-03-09 07:29:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 347 transitions. [2025-03-09 07:29:01,149 INFO L240 hiAutomatonCegarLoop]: Abstraction has 263 states and 347 transitions. [2025-03-09 07:29:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:29:01,152 INFO L432 stractBuchiCegarLoop]: Abstraction has 263 states and 347 transitions. [2025-03-09 07:29:01,152 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:29:01,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 263 states and 347 transitions. [2025-03-09 07:29:01,156 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 180 [2025-03-09 07:29:01,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:01,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:01,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:01,158 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] [2025-03-09 07:29:01,158 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:01,159 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#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~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:01,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:01,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1531972520, now seen corresponding path program 2 times [2025-03-09 07:29:01,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:01,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935348050] [2025-03-09 07:29:01,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:29:01,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:01,166 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:01,173 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:01,173 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:29:01,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:01,173 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:01,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:01,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:01,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:01,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:01,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:01,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:01,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1775325866, now seen corresponding path program 1 times [2025-03-09 07:29:01,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:01,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167657920] [2025-03-09 07:29:01,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:01,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:01,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 07:29:01,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 07:29:01,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:01,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:01,193 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:01,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 07:29:01,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 07:29:01,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:01,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:01,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:01,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:01,203 INFO L85 PathProgramCache]: Analyzing trace with hash 994721699, now seen corresponding path program 1 times [2025-03-09 07:29:01,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:01,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655167861] [2025-03-09 07:29:01,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:01,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:01,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 07:29:01,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 07:29:01,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:01,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:01,223 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:01,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 07:29:01,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 07:29:01,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:01,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:01,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:01,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:01,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:01,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:01,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:01,908 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:01,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:01,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:01,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:01,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:01,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:29:01 BoogieIcfgContainer [2025-03-09 07:29:01,952 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:29:01,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:29:01,952 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:29:01,953 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:29:01,954 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:00" (3/4) ... [2025-03-09 07:29:01,955 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:29:01,986 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:29:01,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:29:01,988 INFO L158 Benchmark]: Toolchain (without parser) took 2129.96ms. Allocated memory is still 201.3MB. Free memory was 153.2MB in the beginning and 150.4MB in the end (delta: 2.8MB). Peak memory consumption was 200.2kB. Max. memory is 16.1GB. [2025-03-09 07:29:01,988 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:01,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.72ms. Allocated memory is still 201.3MB. Free memory was 153.2MB in the beginning and 135.2MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:29:01,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.17ms. Allocated memory is still 201.3MB. Free memory was 135.2MB in the beginning and 132.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:01,989 INFO L158 Benchmark]: Boogie Preprocessor took 37.13ms. Allocated memory is still 201.3MB. Free memory was 132.5MB in the beginning and 130.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:29:01,989 INFO L158 Benchmark]: IcfgBuilder took 423.53ms. Allocated memory is still 201.3MB. Free memory was 129.9MB in the beginning and 102.5MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 07:29:01,989 INFO L158 Benchmark]: BuchiAutomizer took 1317.97ms. Allocated memory is still 201.3MB. Free memory was 102.5MB in the beginning and 154.5MB in the end (delta: -52.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:01,989 INFO L158 Benchmark]: Witness Printer took 34.20ms. Allocated memory is still 201.3MB. Free memory was 154.5MB in the beginning and 150.4MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:01,990 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 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.72ms. Allocated memory is still 201.3MB. Free memory was 153.2MB in the beginning and 135.2MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.17ms. Allocated memory is still 201.3MB. Free memory was 135.2MB in the beginning and 132.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.13ms. Allocated memory is still 201.3MB. Free memory was 132.5MB in the beginning and 130.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 423.53ms. Allocated memory is still 201.3MB. Free memory was 129.9MB in the beginning and 102.5MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1317.97ms. Allocated memory is still 201.3MB. Free memory was 102.5MB in the beginning and 154.5MB in the end (delta: -52.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.20ms. Allocated memory is still 201.3MB. Free memory was 154.5MB in the beginning and 150.4MB in the end (delta: 4.1MB). 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,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] - GenericResultAtLocation [Line: 581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] - GenericResultAtLocation [Line: 806]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] - GenericResultAtLocation [Line: 844]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] - GenericResultAtLocation [Line: 940]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 263 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 375 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 198 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 525]: 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; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L586] int pumpRunning = 0; [L587] int systemActive = 1; [L845] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] int retValue_acc ; [L919] int tmp ; [L923] FCALL select_helpers() [L924] FCALL select_features() [L925] CALL, EXPR valid_product() [L836] int retValue_acc ; [L839] retValue_acc = 1 [L840] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L925] RET, EXPR valid_product() [L925] tmp = valid_product() [L927] COND TRUE \read(tmp) [L929] FCALL setup() [L930] CALL runTest() [L912] CALL test() [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L570] CALL timeShift() [L594] COND FALSE !(\read(pumpRunning)) [L601] COND TRUE \read(systemActive) [L603] CALL processEnvironment() [L649] int tmp ; [L652] COND FALSE !(\read(pumpRunning)) [L667] CALL processEnvironment__wrappee__lowWaterSensor() [L623] int tmp ; [L626] COND FALSE !(\read(pumpRunning)) [L641] FCALL processEnvironment__wrappee__base() [L667] RET processEnvironment__wrappee__lowWaterSensor() [L603] RET processEnvironment() [L609] CALL __utac_acc__Specification1_spec__1() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L787] RET, EXPR isMethaneLevelCritical() [L787] tmp = isMethaneLevelCritical() [L789] COND FALSE !(\read(tmp)) [L609] RET __utac_acc__Specification1_spec__1() [L570] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 525]: 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; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L586] int pumpRunning = 0; [L587] int systemActive = 1; [L845] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] int retValue_acc ; [L919] int tmp ; [L923] FCALL select_helpers() [L924] FCALL select_features() [L925] CALL, EXPR valid_product() [L836] int retValue_acc ; [L839] retValue_acc = 1 [L840] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L925] RET, EXPR valid_product() [L925] tmp = valid_product() [L927] COND TRUE \read(tmp) [L929] FCALL setup() [L930] CALL runTest() [L912] CALL test() [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L570] CALL timeShift() [L594] COND FALSE !(\read(pumpRunning)) [L601] COND TRUE \read(systemActive) [L603] CALL processEnvironment() [L649] int tmp ; [L652] COND FALSE !(\read(pumpRunning)) [L667] CALL processEnvironment__wrappee__lowWaterSensor() [L623] int tmp ; [L626] COND FALSE !(\read(pumpRunning)) [L641] FCALL processEnvironment__wrappee__base() [L667] RET processEnvironment__wrappee__lowWaterSensor() [L603] RET processEnvironment() [L609] CALL __utac_acc__Specification1_spec__1() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L787] RET, EXPR isMethaneLevelCritical() [L787] tmp = isMethaneLevelCritical() [L789] COND FALSE !(\read(tmp)) [L609] RET __utac_acc__Specification1_spec__1() [L570] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:29:02,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)