./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_spec1_product17.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 aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:44:13,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:44:13,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:44:13,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:44:13,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:44:13,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:44:13,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:44:13,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:44:13,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:44:13,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:44:13,439 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:44:13,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:44:13,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:44:13,440 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:44:13,440 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:44:13,440 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:44:13,440 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:44:13,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:44:13,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:44:13,442 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:44:13,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:44:13,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:44:13,442 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:44:13,442 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 -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2025-02-06 19:44:13,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:44:13,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:44:13,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:44:13,690 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:44:13,690 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:44:13,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2025-02-06 19:44:14,854 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1879927bc/a9713ebcbc684063a9db8f082aeaaf93/FLAGe4e28181a [2025-02-06 19:44:15,174 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:44:15,175 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2025-02-06 19:44:15,182 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1879927bc/a9713ebcbc684063a9db8f082aeaaf93/FLAGe4e28181a [2025-02-06 19:44:15,434 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1879927bc/a9713ebcbc684063a9db8f082aeaaf93 [2025-02-06 19:44:15,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:44:15,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:44:15,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:15,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:44:15,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:44:15,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b91a4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15, skipping insertion in model container [2025-02-06 19:44:15,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:44:15,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:15,674 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:44:15,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2025-02-06 19:44:15,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] [2025-02-06 19:44:15,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] [2025-02-06 19:44:15,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] [2025-02-06 19:44:15,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2025-02-06 19:44:15,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [714] [2025-02-06 19:44:15,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [804] [2025-02-06 19:44:15,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [869] [2025-02-06 19:44:15,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:15,758 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:44:15,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15 WrapperNode [2025-02-06 19:44:15,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:15,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:15,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:44:15,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:44:15,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,790 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 321 [2025-02-06 19:44:15,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:15,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:44:15,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:44:15,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:44:15,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,809 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 19:44:15,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,816 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:44:15,826 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:44:15,826 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:44:15,826 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:44:15,827 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (1/1) ... [2025-02-06 19:44:15,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:44:15,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:44:15,871 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 19:44:15,878 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 19:44:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:44:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:44:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:44:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:44:15,981 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:44:15,982 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:44:16,220 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L656-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:44:16,220 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L656-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:44:16,220 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L656-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:44:16,220 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L545-1: main_#res#1 := main_~retValue_acc~3#1; [2025-02-06 19:44:16,220 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:44:16,220 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:44:16,220 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:44:16,221 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L760-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:44:16,221 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L760-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:44:16,221 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L760-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:44:16,221 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L711-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:44:16,221 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L711-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:44:16,221 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2025-02-06 19:44:16,221 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L711-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:44:16,235 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2025-02-06 19:44:16,235 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:44:16,246 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:44:16,246 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:44:16,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:16 BoogieIcfgContainer [2025-02-06 19:44:16,246 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:44:16,247 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:44:16,247 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:44:16,251 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:44:16,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:16,251 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:44:15" (1/3) ... [2025-02-06 19:44:16,252 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26667f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:16, skipping insertion in model container [2025-02-06 19:44:16,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:16,254 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:15" (2/3) ... [2025-02-06 19:44:16,254 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26667f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:16, skipping insertion in model container [2025-02-06 19:44:16,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:16,254 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:16" (3/3) ... [2025-02-06 19:44:16,255 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2025-02-06 19:44:16,294 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:44:16,294 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:44:16,295 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:44:16,295 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:44:16,295 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:44:16,295 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:44:16,295 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:44:16,295 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:44:16,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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 19:44:16,310 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-02-06 19:44:16,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:16,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:16,314 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:16,314 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:16,314 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:44:16,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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 19:44:16,317 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-02-06 19:44:16,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:16,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:16,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:16,318 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:16,321 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:16,322 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:16,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:16,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1316491502, now seen corresponding path program 1 times [2025-02-06 19:44:16,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:16,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951930223] [2025-02-06 19:44:16,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:16,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:16,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:16,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:16,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,387 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:16,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:16,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:16,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:16,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:16,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2046695645, now seen corresponding path program 1 times [2025-02-06 19:44:16,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:16,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338344809] [2025-02-06 19:44:16,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:16,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:44:16,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:44:16,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,437 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:16,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:44:16,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:44:16,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:16,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:16,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1785872022, now seen corresponding path program 1 times [2025-02-06 19:44:16,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:16,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369354727] [2025-02-06 19:44:16,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:16,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:16,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:44:16,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:44:16,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:16,596 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 19:44:16,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:16,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369354727] [2025-02-06 19:44:16,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369354727] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:16,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:16,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:44:16,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952762194] [2025-02-06 19:44:16,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:16,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:16,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 19:44:16,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 19:44:16,717 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:16,784 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2025-02-06 19:44:16,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 122 transitions. [2025-02-06 19:44:16,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2025-02-06 19:44:16,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 87 states and 112 transitions. [2025-02-06 19:44:16,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2025-02-06 19:44:16,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2025-02-06 19:44:16,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 112 transitions. [2025-02-06 19:44:16,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:16,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-02-06 19:44:16,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 112 transitions. [2025-02-06 19:44:16,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-02-06 19:44:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 86 states have internal predecessors, (112), 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 19:44:16,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2025-02-06 19:44:16,825 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-02-06 19:44:16,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:44:16,828 INFO L432 stractBuchiCegarLoop]: Abstraction has 87 states and 112 transitions. [2025-02-06 19:44:16,828 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:44:16,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 112 transitions. [2025-02-06 19:44:16,829 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2025-02-06 19:44:16,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:16,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:16,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:16,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:16,829 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:16,829 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:16,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:16,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1316491502, now seen corresponding path program 2 times [2025-02-06 19:44:16,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:16,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890172531] [2025-02-06 19:44:16,830 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:44:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:16,844 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:16,847 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:16,847 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:44:16,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,847 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:16,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:16,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:16,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:16,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:16,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1910038877, now seen corresponding path program 1 times [2025-02-06 19:44:16,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:16,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121928790] [2025-02-06 19:44:16,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:16,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:16,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:44:16,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:44:16,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,870 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:16,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:44:16,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:44:16,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:16,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:16,881 INFO L85 PathProgramCache]: Analyzing trace with hash 997699152, now seen corresponding path program 1 times [2025-02-06 19:44:16,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:16,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267586894] [2025-02-06 19:44:16,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:16,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:44:16,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:44:16,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,897 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:16,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:44:16,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:44:16,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:16,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:16,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:17,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:17,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:17,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:17,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:17,510 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:17,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:17,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:17,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:17,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:17,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:44:17 BoogieIcfgContainer [2025-02-06 19:44:17,554 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:44:17,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:44:17,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:44:17,555 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:44:17,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:16" (3/4) ... [2025-02-06 19:44:17,557 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:44:17,590 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:44:17,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:44:17,592 INFO L158 Benchmark]: Toolchain (without parser) took 2153.08ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 52.6MB in the end (delta: 52.8MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2025-02-06 19:44:17,592 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:17,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.53ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 87.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:17,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.12ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 85.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:17,593 INFO L158 Benchmark]: Boogie Preprocessor took 34.63ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 83.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:44:17,593 INFO L158 Benchmark]: IcfgBuilder took 420.72ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 62.4MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:17,594 INFO L158 Benchmark]: BuchiAutomizer took 1307.43ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 56.2MB in the end (delta: 6.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2025-02-06 19:44:17,594 INFO L158 Benchmark]: Witness Printer took 35.51ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 52.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:17,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.53ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 87.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.12ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 85.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.63ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 83.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 420.72ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 62.4MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1307.43ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 56.2MB in the end (delta: 6.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 35.51ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 52.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [714] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [804] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [869] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 87 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 346 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 229 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 117 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 815]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L716] int waterLevel = 1; [L717] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L806] int splverifierCounter ; [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L810] int tmp___2 ; [L813] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L815] COND TRUE 1 [L817] COND TRUE splverifierCounter < 4 [L823] tmp = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp)) [L833] tmp___0 = __VERIFIER_nondet_int() [L835] COND FALSE !(\read(tmp___0)) [L843] tmp___2 = __VERIFIER_nondet_int() [L845] COND TRUE \read(tmp___2) [L858] CALL timeShift() [L570] COND FALSE !(\read(pumpRunning)) [L577] COND TRUE \read(systemActive) [L579] CALL processEnvironment() [L599] int tmp ; [L602] COND FALSE !(\read(pumpRunning)) [L617] FCALL processEnvironment__wrappee__base() [L579] RET processEnvironment() [L585] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L755] int retValue_acc ; [L758] retValue_acc = methaneLevelCritical [L759] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L585] RET __utac_acc__Specification1_spec__1() [L858] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 815]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L716] int waterLevel = 1; [L717] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L806] int splverifierCounter ; [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L810] int tmp___2 ; [L813] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L815] COND TRUE 1 [L817] COND TRUE splverifierCounter < 4 [L823] tmp = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp)) [L833] tmp___0 = __VERIFIER_nondet_int() [L835] COND FALSE !(\read(tmp___0)) [L843] tmp___2 = __VERIFIER_nondet_int() [L845] COND TRUE \read(tmp___2) [L858] CALL timeShift() [L570] COND FALSE !(\read(pumpRunning)) [L577] COND TRUE \read(systemActive) [L579] CALL processEnvironment() [L599] int tmp ; [L602] COND FALSE !(\read(pumpRunning)) [L617] FCALL processEnvironment__wrappee__base() [L579] RET processEnvironment() [L585] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L755] int retValue_acc ; [L758] retValue_acc = methaneLevelCritical [L759] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L585] RET __utac_acc__Specification1_spec__1() [L858] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:44:17,611 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)