./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:31:21,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:31:21,467 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:31:21,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:31:21,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:31:21,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:31:21,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:31:21,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:31:21,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:31:21,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:31:21,491 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:31:21,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:31:21,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:31:21,493 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:31:21,493 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:31:21,493 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:31:21,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:31:21,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:31:21,495 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:31:21,495 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:31:21,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:31:21,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:31:21,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:31:21,496 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:31:21,497 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f [2025-03-09 07:31:21,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:31:21,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:31:21,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:31:21,733 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:31:21,733 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:31:21,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2025-03-09 07:31:22,907 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ab4c6b7/8f1a637c431e4b3a9420392469c8fe0a/FLAG63e4cfff1 [2025-03-09 07:31:23,202 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:31:23,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2025-03-09 07:31:23,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ab4c6b7/8f1a637c431e4b3a9420392469c8fe0a/FLAG63e4cfff1 [2025-03-09 07:31:23,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48ab4c6b7/8f1a637c431e4b3a9420392469c8fe0a [2025-03-09 07:31:23,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:31:23,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:31:23,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:31:23,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:31:23,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:31:23,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44eefb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23, skipping insertion in model container [2025-03-09 07:31:23,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:31:23,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:31:23,715 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:31:23,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-03-09 07:31:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2025-03-09 07:31:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [270] [2025-03-09 07:31:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [336] [2025-03-09 07:31:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [345] [2025-03-09 07:31:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [446] [2025-03-09 07:31:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [812] [2025-03-09 07:31:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [847] [2025-03-09 07:31:23,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:31:23,803 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:31:23,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23 WrapperNode [2025-03-09 07:31:23,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:31:23,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:31:23,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:31:23,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:31:23,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,845 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 42, statements flattened = 262 [2025-03-09 07:31:23,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:31:23,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:31:23,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:31:23,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:31:23,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,868 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-09 07:31:23,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:31:23,888 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:31:23,888 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:31:23,888 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:31:23,889 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (1/1) ... [2025-03-09 07:31:23,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:31:23,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:31:23,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:31:23,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-09 07:31:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:31:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:31:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:31:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:31:23,990 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:31:23,992 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:31:24,159 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L443-1: main_#res#1 := main_~retValue_acc~4#1; [2025-03-09 07:31:24,159 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-09 07:31:24,159 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-09 07:31:24,159 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-03-09 07:31:24,159 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-09 07:31:24,160 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-03-09 07:31:24,160 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-09 07:31:24,160 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-03-09 07:31:24,160 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-09 07:31:24,160 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-09 07:31:24,160 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L844-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-03-09 07:31:24,169 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2025-03-09 07:31:24,169 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:31:24,175 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:31:24,175 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:31:24,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:24 BoogieIcfgContainer [2025-03-09 07:31:24,175 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:31:24,176 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:31:24,176 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:31:24,179 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:31:24,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:24,180 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:31:23" (1/3) ... [2025-03-09 07:31:24,180 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@363292cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:31:24, skipping insertion in model container [2025-03-09 07:31:24,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:24,180 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:31:23" (2/3) ... [2025-03-09 07:31:24,180 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@363292cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:31:24, skipping insertion in model container [2025-03-09 07:31:24,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:31:24,180 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:24" (3/3) ... [2025-03-09 07:31:24,181 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2025-03-09 07:31:24,210 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:31:24,210 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:31:24,210 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:31:24,210 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:31:24,210 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:31:24,210 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:31:24,210 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:31:24,210 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:31:24,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 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) [2025-03-09 07:31:24,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2025-03-09 07:31:24,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:24,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:24,228 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:24,228 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:24,228 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:31:24,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 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) [2025-03-09 07:31:24,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2025-03-09 07:31:24,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:24,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:24,232 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:24,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:24,235 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;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:31:24,236 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:24,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1499744794, now seen corresponding path program 1 times [2025-03-09 07:31:24,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:24,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379825298] [2025-03-09 07:31:24,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:24,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:24,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:24,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:24,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:24,307 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:24,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:24,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:24,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:24,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:24,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:24,330 INFO L85 PathProgramCache]: Analyzing trace with hash 653308878, now seen corresponding path program 1 times [2025-03-09 07:31:24,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:24,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480696801] [2025-03-09 07:31:24,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:24,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:24,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 07:31:24,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 07:31:24,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:24,339 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:24,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 07:31:24,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 07:31:24,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:24,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:24,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:24,347 INFO L85 PathProgramCache]: Analyzing trace with hash 857189351, now seen corresponding path program 1 times [2025-03-09 07:31:24,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:24,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833401866] [2025-03-09 07:31:24,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:24,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:24,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-09 07:31:24,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-09 07:31:24,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:31:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:31:24,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:31:24,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833401866] [2025-03-09 07:31:24,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833401866] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:31:24,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:31:24,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 07:31:24,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133110752] [2025-03-09 07:31:24,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:31:24,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:31:24,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 07:31:24,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 07:31:24,664 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 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) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:31:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:31:24,720 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2025-03-09 07:31:24,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 97 transitions. [2025-03-09 07:31:24,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2025-03-09 07:31:24,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 68 states and 87 transitions. [2025-03-09 07:31:24,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2025-03-09 07:31:24,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2025-03-09 07:31:24,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 87 transitions. [2025-03-09 07:31:24,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:31:24,732 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 87 transitions. [2025-03-09 07:31:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 87 transitions. [2025-03-09 07:31:24,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-03-09 07:31:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:31:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2025-03-09 07:31:24,751 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 87 transitions. [2025-03-09 07:31:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 07:31:24,754 INFO L432 stractBuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2025-03-09 07:31:24,754 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:31:24,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 87 transitions. [2025-03-09 07:31:24,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2025-03-09 07:31:24,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:24,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:24,758 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:24,758 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:24,758 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;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:31:24,758 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:24,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:24,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1499744794, now seen corresponding path program 2 times [2025-03-09 07:31:24,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:24,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829234908] [2025-03-09 07:31:24,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:31:24,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:24,765 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:24,770 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:24,771 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:31:24,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:24,771 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:24,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:24,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:24,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:24,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:24,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:24,781 INFO L85 PathProgramCache]: Analyzing trace with hash -2077397343, now seen corresponding path program 1 times [2025-03-09 07:31:24,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:24,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927266019] [2025-03-09 07:31:24,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:24,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 07:31:24,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 07:31:24,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:24,791 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:24,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 07:31:24,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 07:31:24,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:24,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:24,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:24,810 INFO L85 PathProgramCache]: Analyzing trace with hash -52069976, now seen corresponding path program 1 times [2025-03-09 07:31:24,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:24,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688754087] [2025-03-09 07:31:24,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:24,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:31:24,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:31:24,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:24,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:31:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:31:24,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:31:24,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688754087] [2025-03-09 07:31:24,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688754087] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:31:24,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:31:24,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 07:31:24,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685505648] [2025-03-09 07:31:24,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:31:24,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:31:24,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 07:31:24,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 07:31:24,965 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:31:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:31:25,029 INFO L93 Difference]: Finished difference Result 124 states and 155 transitions. [2025-03-09 07:31:25,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 155 transitions. [2025-03-09 07:31:25,032 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 82 [2025-03-09 07:31:25,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 155 transitions. [2025-03-09 07:31:25,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2025-03-09 07:31:25,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2025-03-09 07:31:25,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 155 transitions. [2025-03-09 07:31:25,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:31:25,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 155 transitions. [2025-03-09 07:31:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 155 transitions. [2025-03-09 07:31:25,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-03-09 07:31:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.25) internal successors, (155), 123 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:31:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 155 transitions. [2025-03-09 07:31:25,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 155 transitions. [2025-03-09 07:31:25,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 07:31:25,045 INFO L432 stractBuchiCegarLoop]: Abstraction has 124 states and 155 transitions. [2025-03-09 07:31:25,046 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 07:31:25,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 155 transitions. [2025-03-09 07:31:25,047 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 82 [2025-03-09 07:31:25,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:31:25,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:31:25,049 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:25,049 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:31:25,049 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;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:31:25,049 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:31:25,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:25,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1499744794, now seen corresponding path program 3 times [2025-03-09 07:31:25,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:25,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701415131] [2025-03-09 07:31:25,050 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:31:25,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:25,057 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:25,061 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:25,062 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 07:31:25,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:25,063 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:25,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:25,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:25,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:25,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:25,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:25,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:25,071 INFO L85 PathProgramCache]: Analyzing trace with hash 780334143, now seen corresponding path program 1 times [2025-03-09 07:31:25,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:25,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435020882] [2025-03-09 07:31:25,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:25,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:25,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 07:31:25,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 07:31:25,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:25,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:25,077 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:25,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 07:31:25,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 07:31:25,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:25,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:25,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:25,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:31:25,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1499748742, now seen corresponding path program 1 times [2025-03-09 07:31:25,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:31:25,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338733285] [2025-03-09 07:31:25,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:31:25,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:31:25,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 07:31:25,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 07:31:25,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:25,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:25,095 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:25,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 07:31:25,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 07:31:25,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:25,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:25,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:31:25,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:25,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:25,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:25,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:25,799 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:31:25,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:31:25,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:31:25,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:31:25,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:31:25,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:31:25 BoogieIcfgContainer [2025-03-09 07:31:25,846 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:31:25,846 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:31:25,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:31:25,847 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:31:25,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:31:24" (3/4) ... [2025-03-09 07:31:25,848 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:31:25,886 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:31:25,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:31:25,888 INFO L158 Benchmark]: Toolchain (without parser) took 2396.65ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2025-03-09 07:31:25,888 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:25,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.73ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 86.3MB in the end (delta: 18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:31:25,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.71ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:25,889 INFO L158 Benchmark]: Boogie Preprocessor took 41.11ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 82.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:31:25,890 INFO L158 Benchmark]: IcfgBuilder took 287.38ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 65.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:31:25,890 INFO L158 Benchmark]: BuchiAutomizer took 1670.10ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 87.4MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:31:25,890 INFO L158 Benchmark]: Witness Printer took 39.64ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 83.9MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:31:25,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.73ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 86.3MB in the end (delta: 18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.71ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.11ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 82.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 287.38ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 65.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1670.10ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 87.4MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.64ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 83.9MB in the end (delta: 3.5MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 270]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [270] - GenericResultAtLocation [Line: 336]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [336] - GenericResultAtLocation [Line: 345]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [345] - GenericResultAtLocation [Line: 446]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [446] - GenericResultAtLocation [Line: 812]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [812] - GenericResultAtLocation [Line: 847]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [847] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 124 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 613 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 425 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 188 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 282]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L346] int cleanupTimeShifts = 4; [L616] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L848] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L414] CALL __utac_acc__Specification5_spec__1() [L853] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L414] RET __utac_acc__Specification5_spec__1() [L415] CALL test() [L273] int splverifierCounter ; [L274] int tmp ; [L275] int tmp___0 ; [L276] int tmp___1 ; [L277] int tmp___2 ; [L280] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L284] COND TRUE splverifierCounter < 4 [L290] tmp = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp)) [L300] tmp___0 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___0)) [L310] tmp___2 = __VERIFIER_nondet_int() [L312] COND TRUE \read(tmp___2) [L325] CALL timeShift() [L151] CALL __utac_acc__Specification5_spec__2() [L862] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] switchedOnBeforeTS = isPumpRunning() [L151] RET __utac_acc__Specification5_spec__2() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] FCALL processEnvironment() [L168] CALL __utac_acc__Specification5_spec__3() [L868] int tmp ; [L869] int tmp___0 ; [L873] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L873] RET, EXPR getWaterLevel() [L873] tmp = getWaterLevel() [L875] COND TRUE tmp != 2 [L877] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L877] RET, EXPR isPumpRunning() [L877] tmp___0 = isPumpRunning() [L879] COND FALSE !(\read(tmp___0)) [L168] RET __utac_acc__Specification5_spec__3() [L325] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 282]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L346] int cleanupTimeShifts = 4; [L616] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L848] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L414] CALL __utac_acc__Specification5_spec__1() [L853] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L414] RET __utac_acc__Specification5_spec__1() [L415] CALL test() [L273] int splverifierCounter ; [L274] int tmp ; [L275] int tmp___0 ; [L276] int tmp___1 ; [L277] int tmp___2 ; [L280] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L284] COND TRUE splverifierCounter < 4 [L290] tmp = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp)) [L300] tmp___0 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___0)) [L310] tmp___2 = __VERIFIER_nondet_int() [L312] COND TRUE \read(tmp___2) [L325] CALL timeShift() [L151] CALL __utac_acc__Specification5_spec__2() [L862] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] switchedOnBeforeTS = isPumpRunning() [L151] RET __utac_acc__Specification5_spec__2() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] FCALL processEnvironment() [L168] CALL __utac_acc__Specification5_spec__3() [L868] int tmp ; [L869] int tmp___0 ; [L873] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L873] RET, EXPR getWaterLevel() [L873] tmp = getWaterLevel() [L875] COND TRUE tmp != 2 [L877] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L877] RET, EXPR isPumpRunning() [L877] tmp___0 = isPumpRunning() [L879] COND FALSE !(\read(tmp___0)) [L168] RET __utac_acc__Specification5_spec__3() [L325] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:31:25,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)