./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:47:56,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:47:56,517 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:47:56,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:47:56,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:47:56,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:47:56,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:47:56,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:47:56,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:47:56,556 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:47:56,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:47:56,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:47:56,557 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:47:56,557 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:47:56,557 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:47:56,557 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:47:56,557 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:47:56,557 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:47:56,557 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:47:56,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:47:56,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:47:56,558 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:47:56,559 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:47:56,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:47:56,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:47:56,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:47:56,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:47:56,560 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:47:56,560 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2025-01-10 07:47:56,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:47:56,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:47:56,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:47:56,859 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:47:56,860 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:47:56,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2025-01-10 07:47:58,125 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b73311b4b/3cc8198dfe184d2c904fb6b0c0e22a20/FLAGd45299777 [2025-01-10 07:47:58,422 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:47:58,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2025-01-10 07:47:58,440 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b73311b4b/3cc8198dfe184d2c904fb6b0c0e22a20/FLAGd45299777 [2025-01-10 07:47:58,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b73311b4b/3cc8198dfe184d2c904fb6b0c0e22a20 [2025-01-10 07:47:58,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:47:58,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:47:58,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:47:58,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:47:58,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:47:58,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:47:58" (1/1) ... [2025-01-10 07:47:58,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfd05b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:58, skipping insertion in model container [2025-01-10 07:47:58,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:47:58" (1/1) ... [2025-01-10 07:47:58,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:47:59,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:47:59,021 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:47:59,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2025-01-10 07:47:59,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] [2025-01-10 07:47:59,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [239] [2025-01-10 07:47:59,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] [2025-01-10 07:47:59,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [358] [2025-01-10 07:47:59,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] [2025-01-10 07:47:59,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [520] [2025-01-10 07:47:59,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [555] [2025-01-10 07:47:59,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:47:59,112 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:47:59,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59 WrapperNode [2025-01-10 07:47:59,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:47:59,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:47:59,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:47:59,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:47:59,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,163 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 59, statements flattened = 350 [2025-01-10 07:47:59,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:47:59,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:47:59,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:47:59,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:47:59,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,201 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]. [2025-01-10 07:47:59,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:47:59,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:47:59,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:47:59,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:47:59,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (1/1) ... [2025-01-10 07:47:59,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:47:59,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:47:59,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:47:59,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:47:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:47:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:47:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:47:59,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:47:59,345 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:47:59,347 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:47:59,613 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-01-10 07:47:59,613 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:47:59,627 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:47:59,628 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:47:59,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:59 BoogieIcfgContainer [2025-01-10 07:47:59,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:47:59,629 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:47:59,629 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:47:59,637 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:47:59,638 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:59,638 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:47:58" (1/3) ... [2025-01-10 07:47:59,640 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24f82557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:47:59, skipping insertion in model container [2025-01-10 07:47:59,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:59,640 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:47:59" (2/3) ... [2025-01-10 07:47:59,642 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24f82557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:47:59, skipping insertion in model container [2025-01-10 07:47:59,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:47:59,642 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:59" (3/3) ... [2025-01-10 07:47:59,643 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2025-01-10 07:47:59,696 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:47:59,697 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:47:59,697 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:47:59,697 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:47:59,698 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:47:59,698 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:47:59,698 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:47:59,698 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:47:59,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3272727272727274) internal successors, (146), 110 states have internal predecessors, (146), 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) [2025-01-10 07:47:59,725 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2025-01-10 07:47:59,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:59,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:59,733 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:59,733 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:59,734 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:47:59,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3272727272727274) internal successors, (146), 110 states have internal predecessors, (146), 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) [2025-01-10 07:47:59,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2025-01-10 07:47:59,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:47:59,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:47:59,746 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:59,746 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:47:59,752 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___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~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:47:59,753 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#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~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#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~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:47:59,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:59,757 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2025-01-10 07:47:59,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:59,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58506216] [2025-01-10 07:47:59,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:59,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:47:59,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:47:59,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:59,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:59,843 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:59,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:47:59,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:47:59,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:59,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:59,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:59,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1998017758, now seen corresponding path program 1 times [2025-01-10 07:47:59,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:59,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144162236] [2025-01-10 07:47:59,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:59,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:59,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 07:47:59,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 07:47:59,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:59,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:59,907 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:47:59,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 07:47:59,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 07:47:59,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:59,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:47:59,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:47:59,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:47:59,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1262076181, now seen corresponding path program 1 times [2025-01-10 07:47:59,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:47:59,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626695532] [2025-01-10 07:47:59,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:47:59,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:47:59,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 07:47:59,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 07:47:59,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:47:59,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:48:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:48:00,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:48:00,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626695532] [2025-01-10 07:48:00,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626695532] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:48:00,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:48:00,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 07:48:00,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408096059] [2025-01-10 07:48:00,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:48:00,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:48:00,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 07:48:00,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 07:48:00,328 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3272727272727274) internal successors, (146), 110 states have internal predecessors, (146), 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 4.166666666666667) internal successors, (25), 5 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) [2025-01-10 07:48:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:48:00,464 INFO L93 Difference]: Finished difference Result 273 states and 348 transitions. [2025-01-10 07:48:00,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 273 states and 348 transitions. [2025-01-10 07:48:00,476 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2025-01-10 07:48:00,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 273 states to 243 states and 318 transitions. [2025-01-10 07:48:00,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 243 [2025-01-10 07:48:00,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 243 [2025-01-10 07:48:00,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 243 states and 318 transitions. [2025-01-10 07:48:00,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:48:00,490 INFO L218 hiAutomatonCegarLoop]: Abstraction has 243 states and 318 transitions. [2025-01-10 07:48:00,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states and 318 transitions. [2025-01-10 07:48:00,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 154. [2025-01-10 07:48:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.3116883116883118) internal successors, (202), 153 states have internal predecessors, (202), 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) [2025-01-10 07:48:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2025-01-10 07:48:00,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 202 transitions. [2025-01-10 07:48:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 07:48:00,530 INFO L432 stractBuchiCegarLoop]: Abstraction has 154 states and 202 transitions. [2025-01-10 07:48:00,531 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:48:00,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 202 transitions. [2025-01-10 07:48:00,533 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2025-01-10 07:48:00,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:48:00,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:48:00,534 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:00,534 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:00,534 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___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~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:48:00,534 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#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~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:48:00,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:00,535 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2025-01-10 07:48:00,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:00,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612439999] [2025-01-10 07:48:00,535 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:48:00,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:00,541 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:48:00,545 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:48:00,546 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:48:00,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:00,546 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:00,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:48:00,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:48:00,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:00,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:00,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:00,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:00,560 INFO L85 PathProgramCache]: Analyzing trace with hash -74522300, now seen corresponding path program 1 times [2025-01-10 07:48:00,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:00,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729890745] [2025-01-10 07:48:00,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:00,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:00,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 07:48:00,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 07:48:00,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:00,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:00,569 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:00,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 07:48:00,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 07:48:00,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:00,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:00,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:00,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:00,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1298003373, now seen corresponding path program 1 times [2025-01-10 07:48:00,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:00,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179295614] [2025-01-10 07:48:00,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:00,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:00,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 07:48:00,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 07:48:00,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:00,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:48:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:48:00,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:48:00,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179295614] [2025-01-10 07:48:00,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179295614] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:48:00,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:48:00,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 07:48:00,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406960763] [2025-01-10 07:48:00,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:48:00,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:48:00,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 07:48:00,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 07:48:00,796 INFO L87 Difference]: Start difference. First operand 154 states and 202 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-01-10 07:48:00,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:48:00,906 INFO L93 Difference]: Finished difference Result 298 states and 386 transitions. [2025-01-10 07:48:00,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 298 states and 386 transitions. [2025-01-10 07:48:00,910 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 214 [2025-01-10 07:48:00,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 298 states to 298 states and 386 transitions. [2025-01-10 07:48:00,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2025-01-10 07:48:00,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2025-01-10 07:48:00,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 386 transitions. [2025-01-10 07:48:00,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:48:00,918 INFO L218 hiAutomatonCegarLoop]: Abstraction has 298 states and 386 transitions. [2025-01-10 07:48:00,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 386 transitions. [2025-01-10 07:48:00,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2025-01-10 07:48:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 298 states have (on average 1.2953020134228188) internal successors, (386), 297 states have internal predecessors, (386), 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) [2025-01-10 07:48:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 386 transitions. [2025-01-10 07:48:00,933 INFO L240 hiAutomatonCegarLoop]: Abstraction has 298 states and 386 transitions. [2025-01-10 07:48:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 07:48:00,934 INFO L432 stractBuchiCegarLoop]: Abstraction has 298 states and 386 transitions. [2025-01-10 07:48:00,935 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:48:00,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 298 states and 386 transitions. [2025-01-10 07:48:00,939 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 214 [2025-01-10 07:48:00,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:48:00,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:48:00,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:00,941 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:48:00,941 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___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~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:48:00,942 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#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~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__3_#t~ret12#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret12#1;havoc __utac_acc__Specification5_spec__3_#t~ret12#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:48:00,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:00,942 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2025-01-10 07:48:00,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:00,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778622264] [2025-01-10 07:48:00,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:48:00,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:00,948 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:48:00,950 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:48:00,952 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 07:48:00,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:00,952 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:00,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:48:00,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:48:00,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:00,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:00,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:00,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:00,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1377508447, now seen corresponding path program 1 times [2025-01-10 07:48:00,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:00,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697245483] [2025-01-10 07:48:00,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:00,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:00,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 07:48:00,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 07:48:00,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:00,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:00,979 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:00,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 07:48:00,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 07:48:00,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:00,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:00,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:00,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:48:00,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1819720328, now seen corresponding path program 1 times [2025-01-10 07:48:00,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:48:00,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127517531] [2025-01-10 07:48:00,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:48:00,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:48:01,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 07:48:01,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 07:48:01,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:01,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:01,012 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:01,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 07:48:01,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 07:48:01,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:01,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:01,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:48:01,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:48:01,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:48:01,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:01,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:01,933 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:48:01,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:48:01,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:48:01,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:48:01,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:48:01,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:48:01 BoogieIcfgContainer [2025-01-10 07:48:01,986 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:48:01,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:48:01,987 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:48:01,987 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:48:01,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:47:59" (3/4) ... [2025-01-10 07:48:01,989 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:48:02,039 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:48:02,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:48:02,040 INFO L158 Benchmark]: Toolchain (without parser) took 3329.61ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 59.8MB in the end (delta: 62.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2025-01-10 07:48:02,042 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:48:02,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.80ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 103.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:48:02,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.90ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 101.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:48:02,043 INFO L158 Benchmark]: Boogie Preprocessor took 53.78ms. Allocated memory is still 167.8MB. Free memory was 101.3MB in the beginning and 99.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:48:02,044 INFO L158 Benchmark]: RCFGBuilder took 407.90ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 80.3MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:48:02,044 INFO L158 Benchmark]: BuchiAutomizer took 2357.21ms. Allocated memory is still 167.8MB. Free memory was 80.1MB in the beginning and 63.6MB in the end (delta: 16.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2025-01-10 07:48:02,044 INFO L158 Benchmark]: Witness Printer took 52.98ms. Allocated memory is still 167.8MB. Free memory was 63.6MB in the beginning and 59.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:48:02,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.80ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 103.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.90ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 101.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.78ms. Allocated memory is still 167.8MB. Free memory was 101.3MB in the beginning and 99.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 407.90ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 80.3MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2357.21ms. Allocated memory is still 167.8MB. Free memory was 80.1MB in the beginning and 63.6MB in the end (delta: 16.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 52.98ms. Allocated memory is still 167.8MB. Free memory was 63.6MB in the beginning and 59.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] - GenericResultAtLocation [Line: 239]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [239] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [358] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [520] - GenericResultAtLocation [Line: 555]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [555] * 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 298 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 89 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, 439 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 439 mSDsluCounter, 1007 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 769 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 238 mSDtfsCounter, 98 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: 304]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L242] int switchedOnBeforeTS ; [L361] int pumpRunning = 0; [L362] int systemActive = 1; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L247] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L369] CALL __utac_acc__Specification5_spec__2() [L256] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L256] RET, EXPR isPumpRunning() [L256] switchedOnBeforeTS = isPumpRunning() [L369] RET __utac_acc__Specification5_spec__2() [L371] COND FALSE !(\read(pumpRunning)) [L378] COND TRUE \read(systemActive) [L380] CALL processEnvironment() [L400] int tmp ; [L403] COND FALSE !(\read(pumpRunning)) [L418] FCALL processEnvironment__wrappee__base() [L380] RET processEnvironment() [L386] CALL __utac_acc__Specification5_spec__3() [L262] int tmp ; [L263] int tmp___0 ; [L267] CALL, EXPR getWaterLevel() [L231] int retValue_acc ; [L234] retValue_acc = waterLevel [L235] return (retValue_acc); [L267] RET, EXPR getWaterLevel() [L267] tmp = getWaterLevel() [L269] COND TRUE tmp != 2 [L271] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L271] RET, EXPR isPumpRunning() [L271] tmp___0 = isPumpRunning() [L273] COND FALSE !(\read(tmp___0)) [L386] RET __utac_acc__Specification5_spec__3() [L347] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 304]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L242] int switchedOnBeforeTS ; [L361] int pumpRunning = 0; [L362] int systemActive = 1; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L247] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L369] CALL __utac_acc__Specification5_spec__2() [L256] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L256] RET, EXPR isPumpRunning() [L256] switchedOnBeforeTS = isPumpRunning() [L369] RET __utac_acc__Specification5_spec__2() [L371] COND FALSE !(\read(pumpRunning)) [L378] COND TRUE \read(systemActive) [L380] CALL processEnvironment() [L400] int tmp ; [L403] COND FALSE !(\read(pumpRunning)) [L418] FCALL processEnvironment__wrappee__base() [L380] RET processEnvironment() [L386] CALL __utac_acc__Specification5_spec__3() [L262] int tmp ; [L263] int tmp___0 ; [L267] CALL, EXPR getWaterLevel() [L231] int retValue_acc ; [L234] retValue_acc = waterLevel [L235] return (retValue_acc); [L267] RET, EXPR getWaterLevel() [L267] tmp = getWaterLevel() [L269] COND TRUE tmp != 2 [L271] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L271] RET, EXPR isPumpRunning() [L271] tmp___0 = isPumpRunning() [L273] COND FALSE !(\read(tmp___0)) [L386] RET __utac_acc__Specification5_spec__3() [L347] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:48:02,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)