./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_spec4_product11.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 bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:30:46,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:30:46,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:30:46,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:30:46,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:30:46,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:30:46,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:30:46,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:30:46,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:30:46,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:30:46,782 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:30:46,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:30:46,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:30:46,783 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:30:46,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:30:46,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:30:46,784 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:30:46,785 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:30:46,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:30:46,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:30:46,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:30:46,785 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:30:46,785 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 -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2025-03-09 07:30:47,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:30:47,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:30:47,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:30:47,042 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:30:47,042 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:30:47,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2025-03-09 07:30:48,185 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/768feae87/9f4ccfdbd2b24501994ae8ff0f9009ab/FLAGe55f26251 [2025-03-09 07:30:48,445 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:30:48,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2025-03-09 07:30:48,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/768feae87/9f4ccfdbd2b24501994ae8ff0f9009ab/FLAGe55f26251 [2025-03-09 07:30:48,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/768feae87/9f4ccfdbd2b24501994ae8ff0f9009ab [2025-03-09 07:30:48,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:30:48,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:30:48,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:30:48,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:30:48,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:30:48,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6059a3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48, skipping insertion in model container [2025-03-09 07:30:48,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:30:48,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:30:48,709 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:30:48,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-03-09 07:30:48,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2025-03-09 07:30:48,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [208] [2025-03-09 07:30:48,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [278] [2025-03-09 07:30:48,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [305] [2025-03-09 07:30:48,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [385] [2025-03-09 07:30:48,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [484] [2025-03-09 07:30:48,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [850] [2025-03-09 07:30:48,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:30:48,755 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:30:48,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48 WrapperNode [2025-03-09 07:30:48,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:30:48,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:30:48,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:30:48,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:30:48,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,785 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 46, calls inlined = 37, statements flattened = 229 [2025-03-09 07:30:48,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:30:48,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:30:48,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:30:48,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:30:48,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,805 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 07:30:48,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,808 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:30:48,811 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:30:48,811 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:30:48,811 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:30:48,812 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (1/1) ... [2025-03-09 07:30:48,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:30:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:30:48,844 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 07:30:48,846 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 07:30:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:30:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:30:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:30:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:30:48,914 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:30:48,915 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:30:49,081 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L481-1: main_#res#1 := main_~retValue_acc~4#1; [2025-03-09 07:30:49,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L382-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:30:49,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L382-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:30:49,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L382-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-03-09 07:30:49,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L154-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:30:49,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L154-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:30:49,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L154-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:30:49,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L882-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-03-09 07:30:49,093 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2025-03-09 07:30:49,093 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:30:49,099 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:30:49,099 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:30:49,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:49 BoogieIcfgContainer [2025-03-09 07:30:49,099 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:30:49,100 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:30:49,100 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:30:49,103 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:30:49,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:49,104 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:30:48" (1/3) ... [2025-03-09 07:30:49,104 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69018b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:30:49, skipping insertion in model container [2025-03-09 07:30:49,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:49,104 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:48" (2/3) ... [2025-03-09 07:30:49,104 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69018b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:30:49, skipping insertion in model container [2025-03-09 07:30:49,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:49,105 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:49" (3/3) ... [2025-03-09 07:30:49,105 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2025-03-09 07:30:49,136 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:30:49,136 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:30:49,137 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:30:49,137 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:30:49,137 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:30:49,137 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:30:49,137 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:30:49,137 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:30:49,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 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 07:30:49,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2025-03-09 07:30:49,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:49,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:49,153 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:49,153 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:49,153 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:30:49,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 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 07:30:49,157 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2025-03-09 07:30:49,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:49,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:49,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:49,158 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:49,161 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#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~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#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 07:30:49,161 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#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__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:30:49,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:49,164 INFO L85 PathProgramCache]: Analyzing trace with hash -334954892, now seen corresponding path program 1 times [2025-03-09 07:30:49,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:49,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207275494] [2025-03-09 07:30:49,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:49,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:49,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:49,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:49,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,227 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:49,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:49,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:49,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:49,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:49,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2126462514, now seen corresponding path program 1 times [2025-03-09 07:30:49,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:49,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827115224] [2025-03-09 07:30:49,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:49,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:49,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 07:30:49,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 07:30:49,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,258 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:49,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 07:30:49,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 07:30:49,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:49,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:49,271 INFO L85 PathProgramCache]: Analyzing trace with hash -842762395, now seen corresponding path program 1 times [2025-03-09 07:30:49,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:49,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671664763] [2025-03-09 07:30:49,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:49,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:49,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 07:30:49,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 07:30:49,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:30:49,363 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 07:30:49,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:30:49,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671664763] [2025-03-09 07:30:49,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671664763] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:30:49,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:30:49,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 07:30:49,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677880601] [2025-03-09 07:30:49,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:30:49,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:30:49,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:30:49,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:30:49,496 INFO L87 Difference]: Start difference. First operand has 78 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:30:49,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:30:49,522 INFO L93 Difference]: Finished difference Result 136 states and 174 transitions. [2025-03-09 07:30:49,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 136 states and 174 transitions. [2025-03-09 07:30:49,526 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 80 [2025-03-09 07:30:49,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 136 states to 116 states and 153 transitions. [2025-03-09 07:30:49,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2025-03-09 07:30:49,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2025-03-09 07:30:49,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 153 transitions. [2025-03-09 07:30:49,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:30:49,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 116 states and 153 transitions. [2025-03-09 07:30:49,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 153 transitions. [2025-03-09 07:30:49,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2025-03-09 07:30:49,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 112 states have internal predecessors, (149), 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 07:30:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 149 transitions. [2025-03-09 07:30:49,557 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 149 transitions. [2025-03-09 07:30:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:30:49,563 INFO L432 stractBuchiCegarLoop]: Abstraction has 113 states and 149 transitions. [2025-03-09 07:30:49,563 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:30:49,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 149 transitions. [2025-03-09 07:30:49,568 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 80 [2025-03-09 07:30:49,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:49,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:49,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:49,568 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:49,568 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#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~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#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 07:30:49,568 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#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;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:30:49,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:49,569 INFO L85 PathProgramCache]: Analyzing trace with hash -334954892, now seen corresponding path program 2 times [2025-03-09 07:30:49,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:49,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365132359] [2025-03-09 07:30:49,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:30:49,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:49,580 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:49,587 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:49,590 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:30:49,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,590 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:49,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:49,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:49,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:49,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:49,600 INFO L85 PathProgramCache]: Analyzing trace with hash 640690475, now seen corresponding path program 1 times [2025-03-09 07:30:49,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:49,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025476284] [2025-03-09 07:30:49,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:49,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:30:49,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:30:49,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,627 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:49,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:30:49,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:30:49,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:49,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:49,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1210968488, now seen corresponding path program 1 times [2025-03-09 07:30:49,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:49,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964555826] [2025-03-09 07:30:49,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:49,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:49,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 07:30:49,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 07:30:49,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,652 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:49,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 07:30:49,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 07:30:49,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:49,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:49,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:50,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:50,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:50,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:50,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:50,357 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:50,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:30:50,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:30:50,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:50,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:50,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:30:50 BoogieIcfgContainer [2025-03-09 07:30:50,415 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:30:50,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:30:50,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:30:50,417 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:30:50,417 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:49" (3/4) ... [2025-03-09 07:30:50,418 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:30:50,453 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:30:50,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:30:50,456 INFO L158 Benchmark]: Toolchain (without parser) took 1975.02ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 57.5MB in the end (delta: 48.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2025-03-09 07:30:50,456 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:30:50,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.88ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 87.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:30:50,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.96ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 85.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:30:50,456 INFO L158 Benchmark]: Boogie Preprocessor took 25.24ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 84.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:30:50,457 INFO L158 Benchmark]: IcfgBuilder took 288.00ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 67.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:30:50,457 INFO L158 Benchmark]: BuchiAutomizer took 1315.00ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 61.1MB in the end (delta: 6.3MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2025-03-09 07:30:50,457 INFO L158 Benchmark]: Witness Printer took 38.69ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 57.5MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:30:50,458 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 128.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.88ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 87.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.96ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 85.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.24ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 84.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 288.00ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 67.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1315.00ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 61.1MB in the end (delta: 6.3MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 38.69ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 57.5MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 208]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [208] - GenericResultAtLocation [Line: 278]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [278] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [305] - GenericResultAtLocation [Line: 385]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [385] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [484] - GenericResultAtLocation [Line: 850]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [850] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 113 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 90 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 222]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 222]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:30:50,472 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)