./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baaf7bc14db82105b5843c6fd2fd917eb756a5c6e86ff33e83c3b3f08cca23ae --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:46:03,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:46:03,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:46:03,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:46:03,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:46:03,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:46:03,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:46:03,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:46:03,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:46:03,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:46:03,964 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:46:03,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:46:03,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:46:03,964 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:46:03,964 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:46:03,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:46:03,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:46:03,966 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:46:03,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:46:03,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:46:03,967 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:46:03,967 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:46:03,967 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baaf7bc14db82105b5843c6fd2fd917eb756a5c6e86ff33e83c3b3f08cca23ae [2025-02-06 19:46:04,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:46:04,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:46:04,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:46:04,207 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:46:04,208 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:46:04,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c [2025-02-06 19:46:05,471 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a22d441a/23815fac82284a0d8b684d073e56428d/FLAG4ae4ef3b0 [2025-02-06 19:46:05,794 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:46:05,795 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c [2025-02-06 19:46:05,812 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a22d441a/23815fac82284a0d8b684d073e56428d/FLAG4ae4ef3b0 [2025-02-06 19:46:05,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a22d441a/23815fac82284a0d8b684d073e56428d [2025-02-06 19:46:05,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:46:05,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:46:05,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:46:05,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:46:05,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:46:05,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:46:05" (1/1) ... [2025-02-06 19:46:05,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62345bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:05, skipping insertion in model container [2025-02-06 19:46:05,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:46:05" (1/1) ... [2025-02-06 19:46:05,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:46:06,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:46:06,084 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:46:06,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-02-06 19:46:06,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2025-02-06 19:46:06,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] [2025-02-06 19:46:06,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [133] [2025-02-06 19:46:06,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [232] [2025-02-06 19:46:06,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [456] [2025-02-06 19:46:06,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [553] [2025-02-06 19:46:06,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [622] [2025-02-06 19:46:06,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:46:06,171 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:46:06,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06 WrapperNode [2025-02-06 19:46:06,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:46:06,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:46:06,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:46:06,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:46:06,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,235 INFO L138 Inliner]: procedures = 56, calls = 104, calls flagged for inlining = 57, calls inlined = 104, statements flattened = 694 [2025-02-06 19:46:06,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:46:06,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:46:06,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:46:06,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:46:06,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,247 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,269 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 19:46:06,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,275 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:46:06,280 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:46:06,280 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:46:06,280 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:46:06,281 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (1/1) ... [2025-02-06 19:46:06,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:46:06,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:46:06,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:46:06,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:46:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:46:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:46:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:46:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:46:06,395 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:46:06,401 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:46:06,868 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L366-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:46:06,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L550-1: main_#res#1 := main_~retValue_acc~8#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L93-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L375-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L375-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L375-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:46:06,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,872 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L183-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:46:06,909 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live. [2025-02-06 19:46:06,909 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:46:06,920 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:46:06,921 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:46:06,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:46:06 BoogieIcfgContainer [2025-02-06 19:46:06,922 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:46:06,923 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:46:06,923 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:46:06,926 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:46:06,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:46:06,927 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:46:05" (1/3) ... [2025-02-06 19:46:06,929 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50ed9b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:46:06, skipping insertion in model container [2025-02-06 19:46:06,929 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:46:06,929 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:06" (2/3) ... [2025-02-06 19:46:06,930 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50ed9b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:46:06, skipping insertion in model container [2025-02-06 19:46:06,930 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:46:06,930 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:46:06" (3/3) ... [2025-02-06 19:46:06,931 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product48.cil.c [2025-02-06 19:46:06,978 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:46:06,978 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:46:06,978 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:46:06,978 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:46:06,978 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:46:06,979 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:46:06,979 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:46:06,979 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:46:06,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.3455497382198953) internal successors, (257), 191 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:07,007 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2025-02-06 19:46:07,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:07,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:07,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:07,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:07,013 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:46:07,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.3455497382198953) internal successors, (257), 191 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:07,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2025-02-06 19:46:07,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:07,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:07,025 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:07,025 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:07,030 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:46:07,030 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~6#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet28#1;test_~tmp___0~2#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~1#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:46:07,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:07,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1166516760, now seen corresponding path program 1 times [2025-02-06 19:46:07,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:07,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739771857] [2025-02-06 19:46:07,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:07,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:07,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:07,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:07,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,169 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:07,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:07,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:07,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:07,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:07,233 INFO L85 PathProgramCache]: Analyzing trace with hash -658301999, now seen corresponding path program 1 times [2025-02-06 19:46:07,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:07,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674780173] [2025-02-06 19:46:07,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:07,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:07,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:46:07,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:46:07,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,284 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:07,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:46:07,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:46:07,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:07,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:07,307 INFO L85 PathProgramCache]: Analyzing trace with hash -301355032, now seen corresponding path program 1 times [2025-02-06 19:46:07,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:07,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298966355] [2025-02-06 19:46:07,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:07,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:07,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:46:07,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:46:07,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:46:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:46:07,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:46:07,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298966355] [2025-02-06 19:46:07,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298966355] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:46:07,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:46:07,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:46:07,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715905243] [2025-02-06 19:46:07,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:46:07,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:46:07,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 19:46:07,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 19:46:07,636 INFO L87 Difference]: Start difference. First operand has 192 states, 191 states have (on average 1.3455497382198953) internal successors, (257), 191 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:07,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:46:07,742 INFO L93 Difference]: Finished difference Result 432 states and 567 transitions. [2025-02-06 19:46:07,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 432 states and 567 transitions. [2025-02-06 19:46:07,751 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 281 [2025-02-06 19:46:07,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 432 states to 402 states and 537 transitions. [2025-02-06 19:46:07,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 402 [2025-02-06 19:46:07,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 402 [2025-02-06 19:46:07,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 402 states and 537 transitions. [2025-02-06 19:46:07,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:46:07,767 INFO L218 hiAutomatonCegarLoop]: Abstraction has 402 states and 537 transitions. [2025-02-06 19:46:07,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states and 537 transitions. [2025-02-06 19:46:07,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 232. [2025-02-06 19:46:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 232 states have (on average 1.3362068965517242) internal successors, (310), 231 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 310 transitions. [2025-02-06 19:46:07,801 INFO L240 hiAutomatonCegarLoop]: Abstraction has 232 states and 310 transitions. [2025-02-06 19:46:07,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 19:46:07,806 INFO L432 stractBuchiCegarLoop]: Abstraction has 232 states and 310 transitions. [2025-02-06 19:46:07,806 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:46:07,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 232 states and 310 transitions. [2025-02-06 19:46:07,807 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 161 [2025-02-06 19:46:07,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:07,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:07,808 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:07,808 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:07,808 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:46:07,808 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~6#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet28#1;test_~tmp___0~2#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet30#1;test_~tmp___1~1#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:46:07,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:07,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1166516760, now seen corresponding path program 2 times [2025-02-06 19:46:07,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:07,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850055023] [2025-02-06 19:46:07,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:46:07,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:07,819 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:07,823 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:07,823 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:46:07,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,823 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:07,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:07,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:07,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:07,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:07,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1567994863, now seen corresponding path program 1 times [2025-02-06 19:46:07,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:07,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056766902] [2025-02-06 19:46:07,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:07,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:07,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:46:07,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:46:07,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:46:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:46:07,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:46:07,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056766902] [2025-02-06 19:46:07,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056766902] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:46:07,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:46:07,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:46:07,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501393349] [2025-02-06 19:46:07,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:46:07,845 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:46:07,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:46:07,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:46:07,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:46:07,846 INFO L87 Difference]: Start difference. First operand 232 states and 310 transitions. cyclomatic complexity: 81 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:46:07,910 INFO L93 Difference]: Finished difference Result 293 states and 375 transitions. [2025-02-06 19:46:07,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 375 transitions. [2025-02-06 19:46:07,912 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2025-02-06 19:46:07,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 293 states and 375 transitions. [2025-02-06 19:46:07,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 293 [2025-02-06 19:46:07,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 293 [2025-02-06 19:46:07,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 293 states and 375 transitions. [2025-02-06 19:46:07,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:46:07,917 INFO L218 hiAutomatonCegarLoop]: Abstraction has 293 states and 375 transitions. [2025-02-06 19:46:07,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 375 transitions. [2025-02-06 19:46:07,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2025-02-06 19:46:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 293 states have (on average 1.2798634812286689) internal successors, (375), 292 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 375 transitions. [2025-02-06 19:46:07,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 293 states and 375 transitions. [2025-02-06 19:46:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:46:07,931 INFO L432 stractBuchiCegarLoop]: Abstraction has 293 states and 375 transitions. [2025-02-06 19:46:07,931 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:46:07,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 293 states and 375 transitions. [2025-02-06 19:46:07,932 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2025-02-06 19:46:07,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:07,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:07,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:07,933 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:07,933 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:46:07,933 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~6#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet28#1;test_~tmp___0~2#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#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~ret14#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1;" "isHighWaterLevel_#t~ret25#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret25#1;havoc isHighWaterLevel_#t~ret25#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment__wrappee__methaneQuery_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1#1 := processEnvironment__wrappee__methaneQuery_#t~ret13#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1;" "assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:46:07,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:07,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1166516760, now seen corresponding path program 3 times [2025-02-06 19:46:07,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:07,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8479683] [2025-02-06 19:46:07,934 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:46:07,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:07,940 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:07,946 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:07,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:46:07,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,946 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:07,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:07,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:07,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:07,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:07,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1456745895, now seen corresponding path program 1 times [2025-02-06 19:46:07,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:07,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846818979] [2025-02-06 19:46:07,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:07,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:07,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 19:46:07,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 19:46:07,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,974 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:07,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 19:46:07,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 19:46:07,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:07,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:07,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:07,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:07,989 INFO L85 PathProgramCache]: Analyzing trace with hash 280402402, now seen corresponding path program 1 times [2025-02-06 19:46:07,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:07,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115914763] [2025-02-06 19:46:07,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:07,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:07,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 19:46:08,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:46:08,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:08,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:46:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:46:08,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:46:08,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115914763] [2025-02-06 19:46:08,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115914763] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:46:08,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:46:08,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:46:08,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16221333] [2025-02-06 19:46:08,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:46:08,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:46:08,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:46:08,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:46:08,273 INFO L87 Difference]: Start difference. First operand 293 states and 375 transitions. cyclomatic complexity: 85 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:08,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:46:08,378 INFO L93 Difference]: Finished difference Result 579 states and 731 transitions. [2025-02-06 19:46:08,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 579 states and 731 transitions. [2025-02-06 19:46:08,381 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 414 [2025-02-06 19:46:08,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 579 states to 579 states and 731 transitions. [2025-02-06 19:46:08,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 579 [2025-02-06 19:46:08,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 579 [2025-02-06 19:46:08,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 579 states and 731 transitions. [2025-02-06 19:46:08,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:46:08,389 INFO L218 hiAutomatonCegarLoop]: Abstraction has 579 states and 731 transitions. [2025-02-06 19:46:08,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states and 731 transitions. [2025-02-06 19:46:08,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2025-02-06 19:46:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 579 states have (on average 1.2625215889464594) internal successors, (731), 578 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 731 transitions. [2025-02-06 19:46:08,403 INFO L240 hiAutomatonCegarLoop]: Abstraction has 579 states and 731 transitions. [2025-02-06 19:46:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:46:08,404 INFO L432 stractBuchiCegarLoop]: Abstraction has 579 states and 731 transitions. [2025-02-06 19:46:08,404 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:46:08,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 579 states and 731 transitions. [2025-02-06 19:46:08,406 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 414 [2025-02-06 19:46:08,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:08,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:08,407 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:08,407 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:08,407 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:46:08,408 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~6#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet28#1;test_~tmp___0~2#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#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~ret14#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1;" "isHighWaterLevel_#t~ret25#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret25#1;havoc isHighWaterLevel_#t~ret25#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment__wrappee__methaneQuery_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1#1 := processEnvironment__wrappee__methaneQuery_#t~ret13#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1;" "assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret13#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:46:08,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:08,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1166516760, now seen corresponding path program 4 times [2025-02-06 19:46:08,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:08,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493272059] [2025-02-06 19:46:08,408 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:46:08,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:08,412 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 7 statements into 2 equivalence classes. [2025-02-06 19:46:08,414 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:08,414 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:46:08,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:08,415 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:08,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:08,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:08,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:08,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:08,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:08,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:08,419 INFO L85 PathProgramCache]: Analyzing trace with hash 226050199, now seen corresponding path program 1 times [2025-02-06 19:46:08,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:08,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919992477] [2025-02-06 19:46:08,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:08,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:08,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 19:46:08,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 19:46:08,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:08,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:08,425 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:08,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 19:46:08,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 19:46:08,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:08,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:08,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:08,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:08,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1116714528, now seen corresponding path program 1 times [2025-02-06 19:46:08,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:08,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953768279] [2025-02-06 19:46:08,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:08,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:08,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 19:46:08,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 19:46:08,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:08,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:08,438 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:08,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 19:46:08,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 19:46:08,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:08,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:08,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:09,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:09,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:09,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:09,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:09,171 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:09,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:09,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:09,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:09,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:09,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:46:09 BoogieIcfgContainer [2025-02-06 19:46:09,235 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:46:09,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:46:09,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:46:09,236 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:46:09,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:46:06" (3/4) ... [2025-02-06 19:46:09,238 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:46:09,277 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:46:09,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:46:09,282 INFO L158 Benchmark]: Toolchain (without parser) took 3455.98ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 106.6MB in the beginning and 289.4MB in the end (delta: -182.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2025-02-06 19:46:09,282 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:46:09,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.16ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 87.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:46:09,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.23ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 84.0MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:46:09,283 INFO L158 Benchmark]: Boogie Preprocessor took 43.26ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 82.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:46:09,283 INFO L158 Benchmark]: IcfgBuilder took 641.92ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 47.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:46:09,284 INFO L158 Benchmark]: BuchiAutomizer took 2312.91ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 47.4MB in the beginning and 293.9MB in the end (delta: -246.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:46:09,284 INFO L158 Benchmark]: Witness Printer took 43.61ms. Allocated memory is still 335.5MB. Free memory was 293.9MB in the beginning and 289.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:46:09,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.16ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 87.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.23ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 84.0MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.26ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 82.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 641.92ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 47.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2312.91ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 47.4MB in the beginning and 293.9MB in the end (delta: -246.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.61ms. Allocated memory is still 335.5MB. Free memory was 293.9MB in the beginning and 289.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [133] - GenericResultAtLocation [Line: 232]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [232] - GenericResultAtLocation [Line: 456]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [456] - GenericResultAtLocation [Line: 553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [553] - GenericResultAtLocation [Line: 622]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [622] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 579 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 170 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, 1051 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1051 mSDsluCounter, 2394 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1645 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 749 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L139] int waterLevel = 1; [L140] int methaneLevelCritical = 0; [L239] int pumpRunning = 0; [L240] int systemActive = 1; [L457] int cleanupTimeShifts = 4; [L792] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] int retValue_acc ; [L532] int tmp ; [L536] FCALL select_helpers() [L537] FCALL select_features() [L538] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] RET, EXPR valid_product() [L538] tmp = valid_product() [L540] COND TRUE \read(tmp) [L542] FCALL setup() [L543] CALL runTest() [L525] CALL test() [L555] int splverifierCounter ; [L556] int tmp ; [L557] int tmp___0 ; [L558] int tmp___1 ; [L559] int tmp___2 ; [L562] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L564] COND TRUE 1 [L566] COND TRUE splverifierCounter < 4 [L572] tmp = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp)) [L582] tmp___0 = __VERIFIER_nondet_int() [L584] COND FALSE !(\read(tmp___0)) [L592] tmp___2 = __VERIFIER_nondet_int() [L594] COND TRUE \read(tmp___2) [L596] CALL startSystem() [L452] systemActive = 1 [L596] RET startSystem() [L611] CALL timeShift() [L246] COND FALSE !(\read(pumpRunning)) [L253] COND TRUE \read(systemActive) [L255] CALL processEnvironment() [L301] int tmp ; [L304] COND FALSE !(\read(pumpRunning)) [L319] CALL processEnvironment__wrappee__methaneQuery() [L275] int tmp ; [L278] COND TRUE ! pumpRunning [L280] CALL, EXPR isHighWaterLevel() [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L421] CALL, EXPR isHighWaterSensorDry() [L219] int retValue_acc ; [L222] COND TRUE waterLevel < 2 [L223] retValue_acc = 1 [L224] return (retValue_acc); [L421] RET, EXPR isHighWaterSensorDry() [L421] tmp = isHighWaterSensorDry() [L423] COND TRUE \read(tmp) [L424] tmp___0 = 0 [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); [L280] RET, EXPR isHighWaterLevel() [L280] tmp = isHighWaterLevel() [L282] COND FALSE !(\read(tmp)) [L288] FCALL processEnvironment__wrappee__base() [L319] RET processEnvironment__wrappee__methaneQuery() [L255] RET processEnvironment() [L261] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L178] int retValue_acc ; [L181] retValue_acc = methaneLevelCritical [L182] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L210] int retValue_acc ; [L213] retValue_acc = waterLevel [L214] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L261] RET __utac_acc__Specification3_spec__1() [L611] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L139] int waterLevel = 1; [L140] int methaneLevelCritical = 0; [L239] int pumpRunning = 0; [L240] int systemActive = 1; [L457] int cleanupTimeShifts = 4; [L792] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] int retValue_acc ; [L532] int tmp ; [L536] FCALL select_helpers() [L537] FCALL select_features() [L538] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] RET, EXPR valid_product() [L538] tmp = valid_product() [L540] COND TRUE \read(tmp) [L542] FCALL setup() [L543] CALL runTest() [L525] CALL test() [L555] int splverifierCounter ; [L556] int tmp ; [L557] int tmp___0 ; [L558] int tmp___1 ; [L559] int tmp___2 ; [L562] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L564] COND TRUE 1 [L566] COND TRUE splverifierCounter < 4 [L572] tmp = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp)) [L582] tmp___0 = __VERIFIER_nondet_int() [L584] COND FALSE !(\read(tmp___0)) [L592] tmp___2 = __VERIFIER_nondet_int() [L594] COND TRUE \read(tmp___2) [L596] CALL startSystem() [L452] systemActive = 1 [L596] RET startSystem() [L611] CALL timeShift() [L246] COND FALSE !(\read(pumpRunning)) [L253] COND TRUE \read(systemActive) [L255] CALL processEnvironment() [L301] int tmp ; [L304] COND FALSE !(\read(pumpRunning)) [L319] CALL processEnvironment__wrappee__methaneQuery() [L275] int tmp ; [L278] COND TRUE ! pumpRunning [L280] CALL, EXPR isHighWaterLevel() [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L421] CALL, EXPR isHighWaterSensorDry() [L219] int retValue_acc ; [L222] COND TRUE waterLevel < 2 [L223] retValue_acc = 1 [L224] return (retValue_acc); [L421] RET, EXPR isHighWaterSensorDry() [L421] tmp = isHighWaterSensorDry() [L423] COND TRUE \read(tmp) [L424] tmp___0 = 0 [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); [L280] RET, EXPR isHighWaterLevel() [L280] tmp = isHighWaterLevel() [L282] COND FALSE !(\read(tmp)) [L288] FCALL processEnvironment__wrappee__base() [L319] RET processEnvironment__wrappee__methaneQuery() [L255] RET processEnvironment() [L261] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L178] int retValue_acc ; [L181] retValue_acc = methaneLevelCritical [L182] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L210] int retValue_acc ; [L213] retValue_acc = waterLevel [L214] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L261] RET __utac_acc__Specification3_spec__1() [L611] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:46:09,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)