./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product38.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_product38.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 b77aa0b6bb6bc59dbd8795b5281a5f1c0be2cf01c1e68aab61a4eabad5ef322b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:29:06,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:29:06,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:29:06,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:29:06,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:29:06,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:29:07,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:29:07,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:29:07,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:29:07,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:29:07,015 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:29:07,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:29:07,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:29:07,015 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:29:07,016 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:29:07,016 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:29:07,016 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:29:07,016 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:29:07,016 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:29:07,016 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:29:07,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:29:07,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:29:07,017 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:29:07,018 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:29:07,018 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:29:07,018 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:29:07,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:29:07,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:29:07,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:29:07,018 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:29:07,019 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 -> b77aa0b6bb6bc59dbd8795b5281a5f1c0be2cf01c1e68aab61a4eabad5ef322b [2025-03-09 07:29:07,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:29:07,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:29:07,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:29:07,258 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:29:07,258 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:29:07,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product38.cil.c [2025-03-09 07:29:08,486 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb3c8141/702ae3ccb32e4db09d78be824e121389/FLAG65b039ff8 [2025-03-09 07:29:08,739 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:29:08,740 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product38.cil.c [2025-03-09 07:29:08,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb3c8141/702ae3ccb32e4db09d78be824e121389/FLAG65b039ff8 [2025-03-09 07:29:08,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb3c8141/702ae3ccb32e4db09d78be824e121389 [2025-03-09 07:29:08,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:29:08,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:29:08,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:08,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:29:08,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:29:08,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:08" (1/1) ... [2025-03-09 07:29:08,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4969a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:08, skipping insertion in model container [2025-03-09 07:29:08,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:08" (1/1) ... [2025-03-09 07:29:08,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:29:09,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:09,017 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:29:09,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2025-03-09 07:29:09,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2025-03-09 07:29:09,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [188] [2025-03-09 07:29:09,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [217] [2025-03-09 07:29:09,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [583] [2025-03-09 07:29:09,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [775] [2025-03-09 07:29:09,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [842] [2025-03-09 07:29:09,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [851] [2025-03-09 07:29:09,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:09,086 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:29:09,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09 WrapperNode [2025-03-09 07:29:09,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:09,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:09,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:29:09,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:29:09,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,138 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 81, statements flattened = 528 [2025-03-09 07:29:09,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:09,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:29:09,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:29:09,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:29:09,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,153 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,187 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 07:29:09,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,192 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:29:09,198 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:29:09,198 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:29:09,198 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:29:09,199 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (1/1) ... [2025-03-09 07:29:09,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:29:09,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:29:09,237 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 07:29:09,241 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 07:29:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:29:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:29:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:29:09,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:29:09,328 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:29:09,329 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:29:09,786 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-1: valid_product_#res#1 := valid_product_~retValue_acc~2#1; [2025-03-09 07:29:09,787 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:09,787 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:09,787 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:09,787 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:09,787 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:09,789 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L897-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L700-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L700-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L700-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:29:09,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:29:09,791 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:29:09,791 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:29:09,791 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:29:09,791 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2025-03-09 07:29:09,814 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2025-03-09 07:29:09,815 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:29:09,831 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:29:09,833 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:29:09,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:09 BoogieIcfgContainer [2025-03-09 07:29:09,834 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:29:09,835 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:29:09,835 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:29:09,840 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:29:09,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:09,841 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:29:08" (1/3) ... [2025-03-09 07:29:09,842 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2da2d956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:09, skipping insertion in model container [2025-03-09 07:29:09,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:09,842 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:09" (2/3) ... [2025-03-09 07:29:09,842 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2da2d956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:09, skipping insertion in model container [2025-03-09 07:29:09,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:09,842 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:09" (3/3) ... [2025-03-09 07:29:09,843 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product38.cil.c [2025-03-09 07:29:09,884 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:29:09,885 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:29:09,885 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:29:09,885 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:29:09,885 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:29:09,885 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:29:09,885 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:29:09,885 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:29:09,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3612903225806452) internal successors, (211), 155 states have internal predecessors, (211), 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 07:29:09,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2025-03-09 07:29:09,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:09,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:09,925 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:09,925 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:09,925 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:29:09,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3612903225806452) internal successors, (211), 155 states have internal predecessors, (211), 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 07:29:09,935 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2025-03-09 07:29:09,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:09,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:09,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:09,940 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:09,946 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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;" [2025-03-09 07:29:09,946 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet43#1;test_~tmp~8#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet44#1;test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_#t~ret7#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification1_spec__1_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret6#1;havoc __utac_acc__Specification1_spec__1_#t~ret6#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_#t~ret7#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:09,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:09,952 INFO L85 PathProgramCache]: Analyzing trace with hash 569203413, now seen corresponding path program 1 times [2025-03-09 07:29:09,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:09,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360209350] [2025-03-09 07:29:09,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:09,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:10,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:10,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:10,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,045 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:10,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:10,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:10,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:10,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:10,074 INFO L85 PathProgramCache]: Analyzing trace with hash 361522166, now seen corresponding path program 1 times [2025-03-09 07:29:10,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:10,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905170949] [2025-03-09 07:29:10,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:10,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:10,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:29:10,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:29:10,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:10,147 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 07:29:10,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:10,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905170949] [2025-03-09 07:29:10,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905170949] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:10,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:10,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:29:10,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657027935] [2025-03-09 07:29:10,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:10,153 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:29:10,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:10,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:29:10,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:29:10,178 INFO L87 Difference]: Start difference. First operand has 156 states, 155 states have (on average 1.3612903225806452) internal successors, (211), 155 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 07:29:10,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:10,213 INFO L93 Difference]: Finished difference Result 150 states and 197 transitions. [2025-03-09 07:29:10,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 197 transitions. [2025-03-09 07:29:10,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2025-03-09 07:29:10,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 140 states and 186 transitions. [2025-03-09 07:29:10,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140 [2025-03-09 07:29:10,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 140 [2025-03-09 07:29:10,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 186 transitions. [2025-03-09 07:29:10,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:10,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 140 states and 186 transitions. [2025-03-09 07:29:10,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 186 transitions. [2025-03-09 07:29:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2025-03-09 07:29:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 140 states have (on average 1.3285714285714285) internal successors, (186), 139 states have internal predecessors, (186), 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 07:29:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 186 transitions. [2025-03-09 07:29:10,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 140 states and 186 transitions. [2025-03-09 07:29:10,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:29:10,282 INFO L432 stractBuchiCegarLoop]: Abstraction has 140 states and 186 transitions. [2025-03-09 07:29:10,283 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:29:10,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 186 transitions. [2025-03-09 07:29:10,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2025-03-09 07:29:10,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:10,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:10,285 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:10,285 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:10,285 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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;" [2025-03-09 07:29:10,286 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet43#1;test_~tmp~8#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet44#1;test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_#t~ret7#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification1_spec__1_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret6#1;havoc __utac_acc__Specification1_spec__1_#t~ret6#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_#t~ret7#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:10,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:10,287 INFO L85 PathProgramCache]: Analyzing trace with hash 569203413, now seen corresponding path program 2 times [2025-03-09 07:29:10,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:10,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546349796] [2025-03-09 07:29:10,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:29:10,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:10,292 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:10,303 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:10,304 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:29:10,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,304 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:10,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:10,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:10,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:10,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:10,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2118736397, now seen corresponding path program 1 times [2025-03-09 07:29:10,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:10,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903832195] [2025-03-09 07:29:10,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:10,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:10,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 07:29:10,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 07:29:10,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:10,341 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 07:29:10,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:10,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903832195] [2025-03-09 07:29:10,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903832195] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:10,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:10,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:29:10,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088620937] [2025-03-09 07:29:10,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:10,342 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:29:10,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:10,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:29:10,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:29:10,343 INFO L87 Difference]: Start difference. First operand 140 states and 186 transitions. cyclomatic complexity: 48 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:29:10,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:10,431 INFO L93 Difference]: Finished difference Result 192 states and 245 transitions. [2025-03-09 07:29:10,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 245 transitions. [2025-03-09 07:29:10,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 132 [2025-03-09 07:29:10,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 192 states and 245 transitions. [2025-03-09 07:29:10,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 192 [2025-03-09 07:29:10,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 192 [2025-03-09 07:29:10,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192 states and 245 transitions. [2025-03-09 07:29:10,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:10,435 INFO L218 hiAutomatonCegarLoop]: Abstraction has 192 states and 245 transitions. [2025-03-09 07:29:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states and 245 transitions. [2025-03-09 07:29:10,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2025-03-09 07:29:10,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 192 states have (on average 1.2760416666666667) internal successors, (245), 191 states have internal predecessors, (245), 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 07:29:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 245 transitions. [2025-03-09 07:29:10,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 192 states and 245 transitions. [2025-03-09 07:29:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:29:10,445 INFO L432 stractBuchiCegarLoop]: Abstraction has 192 states and 245 transitions. [2025-03-09 07:29:10,445 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 07:29:10,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states and 245 transitions. [2025-03-09 07:29:10,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 132 [2025-03-09 07:29:10,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:10,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:10,447 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:10,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:10,448 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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;" [2025-03-09 07:29:10,448 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet43#1;test_~tmp~8#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet44#1;test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret42#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret42#1;havoc isHighWaterLevel_#t~ret42#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_#t~ret7#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification1_spec__1_#t~ret6#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret6#1;havoc __utac_acc__Specification1_spec__1_#t~ret6#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_#t~ret7#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:10,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:10,449 INFO L85 PathProgramCache]: Analyzing trace with hash 569203413, now seen corresponding path program 3 times [2025-03-09 07:29:10,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:10,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100424350] [2025-03-09 07:29:10,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:29:10,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:10,456 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:10,463 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:10,467 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 07:29:10,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,467 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:10,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:10,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:10,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:10,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:10,483 INFO L85 PathProgramCache]: Analyzing trace with hash -2102088356, now seen corresponding path program 1 times [2025-03-09 07:29:10,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:10,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982339016] [2025-03-09 07:29:10,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:10,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:10,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 07:29:10,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 07:29:10,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,501 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:10,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 07:29:10,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 07:29:10,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:10,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:10,515 INFO L85 PathProgramCache]: Analyzing trace with hash -580425936, now seen corresponding path program 1 times [2025-03-09 07:29:10,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:10,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894907545] [2025-03-09 07:29:10,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:10,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:10,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-09 07:29:10,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-09 07:29:10,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,540 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:10,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-09 07:29:10,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-09 07:29:10,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:10,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:10,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:11,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:11,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:11,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:11,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:11,414 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:11,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:11,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:11,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:11,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:11,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:29:11 BoogieIcfgContainer [2025-03-09 07:29:11,469 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:29:11,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:29:11,470 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:29:11,470 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:29:11,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:09" (3/4) ... [2025-03-09 07:29:11,471 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:29:11,508 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:29:11,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:29:11,509 INFO L158 Benchmark]: Toolchain (without parser) took 2743.70ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.7MB in the end (delta: 12.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2025-03-09 07:29:11,509 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:11,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.11ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 87.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:29:11,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.87ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 84.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:29:11,510 INFO L158 Benchmark]: Boogie Preprocessor took 58.24ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 82.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:11,510 INFO L158 Benchmark]: IcfgBuilder took 636.06ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 54.2MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 07:29:11,510 INFO L158 Benchmark]: BuchiAutomizer took 1634.34ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 96.1MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:11,510 INFO L158 Benchmark]: Witness Printer took 38.75ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 92.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:11,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.11ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 87.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.87ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 84.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.24ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 82.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 636.06ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 54.2MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1634.34ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 96.1MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.75ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 92.7MB in the end (delta: 3.4MB). 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [188] - GenericResultAtLocation [Line: 217]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [217] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [583] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [775] - GenericResultAtLocation [Line: 842]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [842] - GenericResultAtLocation [Line: 851]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [851] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 192 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 319 mSDsluCounter, 471 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 388 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 786]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L387] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L853] int waterLevel = 1; [L854] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L777] int splverifierCounter ; [L778] int tmp ; [L779] int tmp___0 ; [L780] int tmp___1 ; [L781] int tmp___2 ; [L784] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L788] COND TRUE splverifierCounter < 4 [L794] tmp = __VERIFIER_nondet_int() [L796] COND FALSE !(\read(tmp)) [L804] tmp___0 = __VERIFIER_nondet_int() [L806] COND FALSE !(\read(tmp___0)) [L814] tmp___2 = __VERIFIER_nondet_int() [L816] COND TRUE \read(tmp___2) [L818] CALL startSystem() [L771] systemActive = 1 [L818] RET startSystem() [L831] CALL timeShift() [L597] COND FALSE !(\read(pumpRunning)) [L604] COND TRUE \read(systemActive) [L606] CALL processEnvironment() [L652] int tmp ; [L655] COND FALSE !(\read(pumpRunning)) [L670] CALL processEnvironment__wrappee__highWaterSensor() [L626] int tmp ; [L629] COND TRUE ! pumpRunning [L631] CALL, EXPR isHighWaterLevel() [L749] int retValue_acc ; [L750] int tmp ; [L751] int tmp___0 ; [L755] CALL, EXPR isHighWaterSensorDry() [L933] int retValue_acc ; [L936] COND TRUE waterLevel < 2 [L937] retValue_acc = 1 [L938] return (retValue_acc); [L755] RET, EXPR isHighWaterSensorDry() [L755] tmp = isHighWaterSensorDry() [L757] COND TRUE \read(tmp) [L758] tmp___0 = 0 [L762] retValue_acc = tmp___0 [L763] return (retValue_acc); [L631] RET, EXPR isHighWaterLevel() [L631] tmp = isHighWaterLevel() [L633] COND FALSE !(\read(tmp)) [L639] FCALL processEnvironment__wrappee__base() [L670] RET processEnvironment__wrappee__highWaterSensor() [L606] RET processEnvironment() [L612] CALL __utac_acc__Specification1_spec__1() [L193] int tmp ; [L194] int tmp___0 ; [L198] CALL, EXPR isMethaneLevelCritical() [L892] int retValue_acc ; [L895] retValue_acc = methaneLevelCritical [L896] return (retValue_acc); [L198] RET, EXPR isMethaneLevelCritical() [L198] tmp = isMethaneLevelCritical() [L200] COND FALSE !(\read(tmp)) [L612] RET __utac_acc__Specification1_spec__1() [L831] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 786]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L387] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L853] int waterLevel = 1; [L854] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L777] int splverifierCounter ; [L778] int tmp ; [L779] int tmp___0 ; [L780] int tmp___1 ; [L781] int tmp___2 ; [L784] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L788] COND TRUE splverifierCounter < 4 [L794] tmp = __VERIFIER_nondet_int() [L796] COND FALSE !(\read(tmp)) [L804] tmp___0 = __VERIFIER_nondet_int() [L806] COND FALSE !(\read(tmp___0)) [L814] tmp___2 = __VERIFIER_nondet_int() [L816] COND TRUE \read(tmp___2) [L818] CALL startSystem() [L771] systemActive = 1 [L818] RET startSystem() [L831] CALL timeShift() [L597] COND FALSE !(\read(pumpRunning)) [L604] COND TRUE \read(systemActive) [L606] CALL processEnvironment() [L652] int tmp ; [L655] COND FALSE !(\read(pumpRunning)) [L670] CALL processEnvironment__wrappee__highWaterSensor() [L626] int tmp ; [L629] COND TRUE ! pumpRunning [L631] CALL, EXPR isHighWaterLevel() [L749] int retValue_acc ; [L750] int tmp ; [L751] int tmp___0 ; [L755] CALL, EXPR isHighWaterSensorDry() [L933] int retValue_acc ; [L936] COND TRUE waterLevel < 2 [L937] retValue_acc = 1 [L938] return (retValue_acc); [L755] RET, EXPR isHighWaterSensorDry() [L755] tmp = isHighWaterSensorDry() [L757] COND TRUE \read(tmp) [L758] tmp___0 = 0 [L762] retValue_acc = tmp___0 [L763] return (retValue_acc); [L631] RET, EXPR isHighWaterLevel() [L631] tmp = isHighWaterLevel() [L633] COND FALSE !(\read(tmp)) [L639] FCALL processEnvironment__wrappee__base() [L670] RET processEnvironment__wrappee__highWaterSensor() [L606] RET processEnvironment() [L612] CALL __utac_acc__Specification1_spec__1() [L193] int tmp ; [L194] int tmp___0 ; [L198] CALL, EXPR isMethaneLevelCritical() [L892] int retValue_acc ; [L895] retValue_acc = methaneLevelCritical [L896] return (retValue_acc); [L198] RET, EXPR isMethaneLevelCritical() [L198] tmp = isMethaneLevelCritical() [L200] COND FALSE !(\read(tmp)) [L612] RET __utac_acc__Specification1_spec__1() [L831] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:29:11,531 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)