./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product58.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 db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:59:28,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:59:28,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:59:28,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:59:28,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:59:28,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:59:28,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:59:28,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:59:28,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:59:28,166 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:59:28,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:59:28,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:59:28,167 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:59:28,167 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:59:28,167 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:59:28,167 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:59:28,167 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:59:28,167 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:59:28,167 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:59:28,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:59:28,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:59:28,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:59:28,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:59:28,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:59:28,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:59:28,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:59:28,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:59:28,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:59:28,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:59:28,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:59:28,171 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:59:28,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:59:28,171 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:59:28,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:59:28,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:59:28,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:59:28,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:59:28,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:59:28,172 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:59:28,172 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 [2024-11-19 14:59:28,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:59:28,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:59:28,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:59:28,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:59:28,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:59:28,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2024-11-19 14:59:29,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:59:29,686 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:59:29,689 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2024-11-19 14:59:29,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c89aa94a5/9517964dedee4d0296a7463d34093261/FLAG8d9bffe10 [2024-11-19 14:59:30,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c89aa94a5/9517964dedee4d0296a7463d34093261 [2024-11-19 14:59:30,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:59:30,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:59:30,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:59:30,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:59:30,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:59:30,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57aa38a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30, skipping insertion in model container [2024-11-19 14:59:30,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:59:30,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:59:30,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:59:30,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-19 14:59:30,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [160] [2024-11-19 14:59:30,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [211] [2024-11-19 14:59:30,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [577] [2024-11-19 14:59:30,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [680] [2024-11-19 14:59:30,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2024-11-19 14:59:30,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [757] [2024-11-19 14:59:30,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] [2024-11-19 14:59:30,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:59:30,503 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:59:30,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30 WrapperNode [2024-11-19 14:59:30,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:59:30,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:59:30,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:59:30,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:59:30,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,555 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 58, calls inlined = 106, statements flattened = 718 [2024-11-19 14:59:30,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:59:30,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:59:30,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:59:30,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:59:30,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,586 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]. [2024-11-19 14:59:30,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:59:30,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:59:30,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:59:30,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:59:30,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (1/1) ... [2024-11-19 14:59:30,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:30,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:30,648 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) [2024-11-19 14:59:30,650 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 [2024-11-19 14:59:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:59:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:59:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:59:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:59:30,758 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:59:30,761 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:59:31,104 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-19 14:59:31,104 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:59:31,118 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:59:31,118 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:59:31,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:31 BoogieIcfgContainer [2024-11-19 14:59:31,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:59:31,119 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:59:31,119 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:59:31,123 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:59:31,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:31,124 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:59:30" (1/3) ... [2024-11-19 14:59:31,124 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f4bb332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:59:31, skipping insertion in model container [2024-11-19 14:59:31,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:31,125 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:30" (2/3) ... [2024-11-19 14:59:31,126 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f4bb332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:59:31, skipping insertion in model container [2024-11-19 14:59:31,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:31,126 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:31" (3/3) ... [2024-11-19 14:59:31,127 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2024-11-19 14:59:31,179 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:59:31,179 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:59:31,180 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:59:31,180 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:59:31,180 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:59:31,181 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:59:31,181 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:59:31,181 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:59:31,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 200 states, 199 states have (on average 1.3517587939698492) internal successors, (269), 199 states have internal predecessors, (269), 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) [2024-11-19 14:59:31,232 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2024-11-19 14:59:31,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:31,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:31,239 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:31,239 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] [2024-11-19 14:59:31,239 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:59:31,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 200 states, 199 states have (on average 1.3517587939698492) internal successors, (269), 199 states have internal predecessors, (269), 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) [2024-11-19 14:59:31,248 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2024-11-19 14:59:31,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:31,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:31,250 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:31,250 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] [2024-11-19 14:59:31,254 INFO L745 eck$LassoCheckResult]: Stem: 118#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 127#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 173#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 69#valid_product_returnLabel#1true main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 124#L667true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 55#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 185#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 114#L701-2true [2024-11-19 14:59:31,255 INFO L747 eck$LassoCheckResult]: Loop: 114#L701-2true assume !false; 112#L702true assume test_~splverifierCounter~0#1 < 4; 11#L703true havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 128#L711true assume !(0 != test_~tmp~5#1); 49#L711-2true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 63#L721true assume !(0 != test_~tmp___0~1#1); 60#L721-2true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 76#L731true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 2#L739true assume 0 != test_~tmp___1~0#1; 177#L739-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 180#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret9#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret9#1;havoc __utac_acc__Specification5_spec__2_#t~ret9#1; 155#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 133#L770true assume !(0 != ~pumpRunning~0); 188#L770-2true assume !(0 != ~systemActive~0); 19#L777-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 142#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret10#1;havoc __utac_acc__Specification5_spec__3_#t~ret10#1; 141#L190true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 165#L190-1true havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 143#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 114#L701-2true [2024-11-19 14:59:31,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:31,272 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-19 14:59:31,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:31,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121970857] [2024-11-19 14:59:31,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:31,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:31,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:31,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:31,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2044629998, now seen corresponding path program 1 times [2024-11-19 14:59:31,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:31,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654144588] [2024-11-19 14:59:31,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:31,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:31,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:31,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:31,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:31,417 INFO L85 PathProgramCache]: Analyzing trace with hash -820588955, now seen corresponding path program 1 times [2024-11-19 14:59:31,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:31,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054468554] [2024-11-19 14:59:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:31,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:59:31,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:31,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054468554] [2024-11-19 14:59:31,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054468554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:31,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:31,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:59:31,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395616089] [2024-11-19 14:59:31,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:31,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:31,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:59:31,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:59:31,719 INFO L87 Difference]: Start difference. First operand has 200 states, 199 states have (on average 1.3517587939698492) internal successors, (269), 199 states have internal predecessors, (269), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-19 14:59:31,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:31,783 INFO L93 Difference]: Finished difference Result 194 states and 252 transitions. [2024-11-19 14:59:31,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 252 transitions. [2024-11-19 14:59:31,787 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2024-11-19 14:59:31,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 184 states and 242 transitions. [2024-11-19 14:59:31,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2024-11-19 14:59:31,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 184 [2024-11-19 14:59:31,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 242 transitions. [2024-11-19 14:59:31,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:31,792 INFO L218 hiAutomatonCegarLoop]: Abstraction has 184 states and 242 transitions. [2024-11-19 14:59:31,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states and 242 transitions. [2024-11-19 14:59:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-19 14:59:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 184 states have (on average 1.315217391304348) internal successors, (242), 183 states have internal predecessors, (242), 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) [2024-11-19 14:59:31,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 242 transitions. [2024-11-19 14:59:31,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 184 states and 242 transitions. [2024-11-19 14:59:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:59:31,827 INFO L425 stractBuchiCegarLoop]: Abstraction has 184 states and 242 transitions. [2024-11-19 14:59:31,827 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:59:31,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 242 transitions. [2024-11-19 14:59:31,829 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2024-11-19 14:59:31,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:31,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:31,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:31,830 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:31,830 INFO L745 eck$LassoCheckResult]: Stem: 480#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 481#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 469#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 470#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 568#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 492#L667 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 493#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 557#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 473#L701-2 [2024-11-19 14:59:31,830 INFO L747 eck$LassoCheckResult]: Loop: 473#L701-2 assume !false; 466#L702 assume test_~splverifierCounter~0#1 < 4; 443#L703 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 444#L711 assume !(0 != test_~tmp~5#1); 503#L711-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 542#L721 assume !(0 != test_~tmp___0~1#1); 457#L721-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 559#L731 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 416#L739 assume 0 != test_~tmp___1~0#1; 417#L739-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 587#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret9#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret9#1;havoc __utac_acc__Specification5_spec__2_#t~ret9#1; 562#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 511#L770 assume !(0 != ~pumpRunning~0); 512#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 593#L828 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 570#L802-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 412#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 413#L802-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 488#L828-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 464#L777-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 465#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret10#1;havoc __utac_acc__Specification5_spec__3_#t~ret10#1; 536#L190 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 538#L190-1 havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 539#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 473#L701-2 [2024-11-19 14:59:31,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:31,830 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-19 14:59:31,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:31,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549877674] [2024-11-19 14:59:31,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:59:31,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:31,838 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:59:31,838 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:31,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:31,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:31,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:31,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1253351581, now seen corresponding path program 1 times [2024-11-19 14:59:31,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:31,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48533016] [2024-11-19 14:59:31,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:31,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:59:31,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:31,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48533016] [2024-11-19 14:59:31,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48533016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:31,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:31,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:59:31,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014137921] [2024-11-19 14:59:31,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:31,862 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:59:31,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:31,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:59:31,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:59:31,863 INFO L87 Difference]: Start difference. First operand 184 states and 242 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:31,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:31,939 INFO L93 Difference]: Finished difference Result 255 states and 323 transitions. [2024-11-19 14:59:31,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 255 states and 323 transitions. [2024-11-19 14:59:31,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2024-11-19 14:59:31,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 255 states to 255 states and 323 transitions. [2024-11-19 14:59:31,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2024-11-19 14:59:31,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2024-11-19 14:59:31,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 323 transitions. [2024-11-19 14:59:31,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:31,945 INFO L218 hiAutomatonCegarLoop]: Abstraction has 255 states and 323 transitions. [2024-11-19 14:59:31,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 323 transitions. [2024-11-19 14:59:31,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-11-19 14:59:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 255 states have (on average 1.2666666666666666) internal successors, (323), 254 states have internal predecessors, (323), 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) [2024-11-19 14:59:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 323 transitions. [2024-11-19 14:59:31,955 INFO L240 hiAutomatonCegarLoop]: Abstraction has 255 states and 323 transitions. [2024-11-19 14:59:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:59:31,956 INFO L425 stractBuchiCegarLoop]: Abstraction has 255 states and 323 transitions. [2024-11-19 14:59:31,956 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:59:31,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 323 transitions. [2024-11-19 14:59:31,958 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2024-11-19 14:59:31,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:31,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:31,959 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:31,959 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:31,959 INFO L745 eck$LassoCheckResult]: Stem: 923#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 924#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 909#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 910#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1019#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 933#L667 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 934#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1004#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1051#L701-2 [2024-11-19 14:59:31,959 INFO L747 eck$LassoCheckResult]: Loop: 1051#L701-2 assume !false; 1090#L702 assume test_~splverifierCounter~0#1 < 4; 1091#L703 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1110#L711 assume !(0 != test_~tmp~5#1); 1108#L711-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1107#L721 assume !(0 != test_~tmp___0~1#1); 1106#L721-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1105#L731 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1104#L739 assume 0 != test_~tmp___1~0#1; 1102#L739-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1101#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret9#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret9#1;havoc __utac_acc__Specification5_spec__2_#t~ret9#1; 1100#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 957#L770 assume !(0 != ~pumpRunning~0); 958#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1052#L828 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1020#L802-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1021#L141-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 941#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret52#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret52#1;havoc isHighWaterLevel_#t~ret52#1; 942#L948-3 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 959#L948-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 960#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 1040#L806-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 931#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 932#L802-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1037#L828-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1099#L777-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1098#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret10#1;havoc __utac_acc__Specification5_spec__3_#t~ret10#1; 1096#L190 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 1093#L190-1 havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1092#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1051#L701-2 [2024-11-19 14:59:31,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:31,960 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-19 14:59:31,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:31,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829609059] [2024-11-19 14:59:31,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:59:31,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:31,966 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:59:31,966 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:31,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:31,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:31,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:31,973 INFO L85 PathProgramCache]: Analyzing trace with hash -391403693, now seen corresponding path program 1 times [2024-11-19 14:59:31,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:31,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880461556] [2024-11-19 14:59:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:31,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:59:32,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:32,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880461556] [2024-11-19 14:59:32,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880461556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:32,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:32,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:59:32,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787465035] [2024-11-19 14:59:32,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:32,010 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:59:32,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:32,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:59:32,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:59:32,011 INFO L87 Difference]: Start difference. First operand 255 states and 323 transitions. cyclomatic complexity: 70 Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-19 14:59:32,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:32,125 INFO L93 Difference]: Finished difference Result 267 states and 335 transitions. [2024-11-19 14:59:32,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 267 states and 335 transitions. [2024-11-19 14:59:32,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184 [2024-11-19 14:59:32,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 267 states to 267 states and 335 transitions. [2024-11-19 14:59:32,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 267 [2024-11-19 14:59:32,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 267 [2024-11-19 14:59:32,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 267 states and 335 transitions. [2024-11-19 14:59:32,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:32,136 INFO L218 hiAutomatonCegarLoop]: Abstraction has 267 states and 335 transitions. [2024-11-19 14:59:32,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states and 335 transitions. [2024-11-19 14:59:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2024-11-19 14:59:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 267 states have (on average 1.2546816479400749) internal successors, (335), 266 states have internal predecessors, (335), 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) [2024-11-19 14:59:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 335 transitions. [2024-11-19 14:59:32,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 267 states and 335 transitions. [2024-11-19 14:59:32,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:59:32,175 INFO L425 stractBuchiCegarLoop]: Abstraction has 267 states and 335 transitions. [2024-11-19 14:59:32,175 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:59:32,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 267 states and 335 transitions. [2024-11-19 14:59:32,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184 [2024-11-19 14:59:32,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:32,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:32,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:32,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:32,178 INFO L745 eck$LassoCheckResult]: Stem: 1452#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1453#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1439#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1440#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1550#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 1462#L667 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1463#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1535#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1445#L701-2 [2024-11-19 14:59:32,179 INFO L747 eck$LassoCheckResult]: Loop: 1445#L701-2 assume !false; 1437#L702 assume test_~splverifierCounter~0#1 < 4; 1413#L703 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1414#L711 assume !(0 != test_~tmp~5#1); 1479#L711-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1522#L721 assume !(0 != test_~tmp___0~1#1); 1424#L721-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1541#L731 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1496#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1387#L739-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1572#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret9#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret9#1;havoc __utac_acc__Specification5_spec__2_#t~ret9#1; 1544#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1488#L770 assume !(0 != ~pumpRunning~0); 1489#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1584#L828 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1551#L802-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1552#L141-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1576#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret52#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret52#1;havoc isHighWaterLevel_#t~ret52#1; 1621#L948-3 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1490#L948-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 1491#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 1569#L806-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1460#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1461#L802-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1464#L828-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1435#L777-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1436#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret10#1;havoc __utac_acc__Specification5_spec__3_#t~ret10#1; 1648#L190 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 1645#L190-1 havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1644#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1445#L701-2 [2024-11-19 14:59:32,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:32,179 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-19 14:59:32,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:32,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906484687] [2024-11-19 14:59:32,180 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:59:32,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:32,186 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:59:32,187 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:32,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:32,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:32,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:32,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1535969782, now seen corresponding path program 1 times [2024-11-19 14:59:32,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:32,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655159593] [2024-11-19 14:59:32,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:32,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:59:32,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:59:32,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655159593] [2024-11-19 14:59:32,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655159593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:59:32,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:59:32,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:59:32,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390929418] [2024-11-19 14:59:32,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:59:32,254 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:59:32,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:59:32,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:59:32,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:59:32,254 INFO L87 Difference]: Start difference. First operand 267 states and 335 transitions. cyclomatic complexity: 70 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-19 14:59:32,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:59:32,409 INFO L93 Difference]: Finished difference Result 514 states and 638 transitions. [2024-11-19 14:59:32,409 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 514 states and 638 transitions. [2024-11-19 14:59:32,416 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 360 [2024-11-19 14:59:32,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 514 states to 514 states and 638 transitions. [2024-11-19 14:59:32,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 514 [2024-11-19 14:59:32,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 514 [2024-11-19 14:59:32,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 514 states and 638 transitions. [2024-11-19 14:59:32,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:32,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 514 states and 638 transitions. [2024-11-19 14:59:32,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states and 638 transitions. [2024-11-19 14:59:32,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 511. [2024-11-19 14:59:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 511 states have (on average 1.2367906066536203) internal successors, (632), 510 states have internal predecessors, (632), 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) [2024-11-19 14:59:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 632 transitions. [2024-11-19 14:59:32,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 511 states and 632 transitions. [2024-11-19 14:59:32,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:59:32,453 INFO L425 stractBuchiCegarLoop]: Abstraction has 511 states and 632 transitions. [2024-11-19 14:59:32,453 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-19 14:59:32,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 511 states and 632 transitions. [2024-11-19 14:59:32,455 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 358 [2024-11-19 14:59:32,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:32,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:32,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:32,461 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:32,461 INFO L745 eck$LassoCheckResult]: Stem: 2250#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 2251#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 2236#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2237#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 2354#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 2262#L667 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 2263#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2338#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2398#L701-2 [2024-11-19 14:59:32,461 INFO L747 eck$LassoCheckResult]: Loop: 2398#L701-2 assume !false; 2668#L702 assume test_~splverifierCounter~0#1 < 4; 2667#L703 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 2662#L711 assume !(0 != test_~tmp~5#1); 2659#L711-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 2654#L721 assume !(0 != test_~tmp___0~1#1); 2651#L721-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 2649#L731 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2645#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 2643#L739-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 2641#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret9#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret9#1;havoc __utac_acc__Specification5_spec__2_#t~ret9#1; 2639#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret9#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2638#L770 assume !(0 != ~pumpRunning~0); 2636#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 2621#L828 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 2620#L802-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 2619#L141-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 2389#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret52#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret52#1;havoc isHighWaterLevel_#t~ret52#1; 2616#L948-3 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 2615#L948-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 2614#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 2613#L806-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2258#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2259#L802-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2374#L828-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 2677#L777-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 2676#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret10#1;havoc __utac_acc__Specification5_spec__3_#t~ret10#1; 2675#L190 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 2674#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret11#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 2673#L194 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 2671#L190-1 havoc __utac_acc__Specification5_spec__3_#t~ret10#1, __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2670#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2398#L701-2 [2024-11-19 14:59:32,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2024-11-19 14:59:32,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:32,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435652250] [2024-11-19 14:59:32,462 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:59:32,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:32,473 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:59:32,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:32,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:32,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:32,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:32,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1422791535, now seen corresponding path program 1 times [2024-11-19 14:59:32,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:32,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106808763] [2024-11-19 14:59:32,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:32,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:32,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:32,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:32,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:32,499 INFO L85 PathProgramCache]: Analyzing trace with hash -826233990, now seen corresponding path program 1 times [2024-11-19 14:59:32,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:32,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164772019] [2024-11-19 14:59:32,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:32,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:32,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:32,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:33,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:33,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:59:33 BoogieIcfgContainer [2024-11-19 14:59:33,257 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:59:33,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:59:33,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:59:33,258 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:59:33,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:31" (3/4) ... [2024-11-19 14:59:33,259 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:59:33,305 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:59:33,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:59:33,309 INFO L158 Benchmark]: Toolchain (without parser) took 3222.30ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 97.3MB in the beginning and 89.3MB in the end (delta: 8.0MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2024-11-19 14:59:33,310 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:59:33,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.06ms. Allocated memory is still 163.6MB. Free memory was 97.0MB in the beginning and 124.8MB in the end (delta: -27.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-19 14:59:33,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.70ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 120.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:59:33,310 INFO L158 Benchmark]: Boogie Preprocessor took 49.07ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 117.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:33,310 INFO L158 Benchmark]: RCFGBuilder took 512.92ms. Allocated memory is still 163.6MB. Free memory was 117.1MB in the beginning and 85.1MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 14:59:33,311 INFO L158 Benchmark]: BuchiAutomizer took 2137.71ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 85.1MB in the beginning and 92.5MB in the end (delta: -7.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-19 14:59:33,311 INFO L158 Benchmark]: Witness Printer took 51.69ms. Allocated memory is still 199.2MB. Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:59:33,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.06ms. Allocated memory is still 163.6MB. Free memory was 97.0MB in the beginning and 124.8MB in the end (delta: -27.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.70ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 120.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.07ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 117.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.92ms. Allocated memory is still 163.6MB. Free memory was 117.1MB in the beginning and 85.1MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2137.71ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 85.1MB in the beginning and 92.5MB in the end (delta: -7.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 51.69ms. Allocated memory is still 199.2MB. Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [160] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [211] - GenericResultAtLocation [Line: 577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [577] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [680] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] - GenericResultAtLocation [Line: 757]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [757] - GenericResultAtLocation [Line: 985]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 511 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.2s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 4 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, 640 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 640 mSDsluCounter, 2644 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1694 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 950 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 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: 701]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L163] int switchedOnBeforeTS ; [L381] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L578] int cleanupTimeShifts = 4; [L760] int pumpRunning = 0; [L761] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L658] int retValue_acc ; [L659] int tmp ; [L663] FCALL select_helpers() [L664] FCALL select_features() [L665] CALL, EXPR valid_product() [L1012] int retValue_acc ; [L1015] retValue_acc = 1 [L1016] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L665] RET, EXPR valid_product() [L665] tmp = valid_product() [L667] COND TRUE \read(tmp) [L669] FCALL setup() [L670] CALL runTest() [L648] CALL __utac_acc__Specification5_spec__1() [L168] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L648] RET __utac_acc__Specification5_spec__1() [L649] CALL test() [L692] int splverifierCounter ; [L693] int tmp ; [L694] int tmp___0 ; [L695] int tmp___1 ; [L696] int tmp___2 ; [L699] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L701] COND TRUE 1 [L703] COND TRUE splverifierCounter < 4 [L709] tmp = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp)) [L719] tmp___0 = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp___0)) [L729] tmp___2 = __VERIFIER_nondet_int() [L731] COND TRUE \read(tmp___2) [L733] CALL startSystem() [L981] systemActive = 1 [L733] RET startSystem() [L746] CALL timeShift() [L768] CALL __utac_acc__Specification5_spec__2() [L177] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L177] RET, EXPR isPumpRunning() [L177] switchedOnBeforeTS = isPumpRunning() [L768] RET __utac_acc__Specification5_spec__2() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L825] int tmp ; [L828] COND FALSE !(\read(pumpRunning)) [L843] CALL processEnvironment__wrappee__highWaterSensor() [L799] int tmp ; [L802] COND TRUE ! pumpRunning [L804] CALL, EXPR isHighWaterLevel() [L940] int retValue_acc ; [L941] int tmp ; [L942] int tmp___0 ; [L946] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L946] RET, EXPR isHighWaterSensorDry() [L946] tmp = isHighWaterSensorDry() [L948] COND TRUE \read(tmp) [L949] tmp___0 = 0 [L953] retValue_acc = tmp___0 [L954] return (retValue_acc); [L804] RET, EXPR isHighWaterLevel() [L804] tmp = isHighWaterLevel() [L806] COND FALSE !(\read(tmp)) [L812] FCALL processEnvironment__wrappee__base() [L843] RET processEnvironment__wrappee__highWaterSensor() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification5_spec__3() [L183] int tmp ; [L184] int tmp___0 ; [L188] CALL, EXPR getWaterLevel() [L129] int retValue_acc ; [L132] retValue_acc = waterLevel [L133] return (retValue_acc); [L188] RET, EXPR getWaterLevel() [L188] tmp = getWaterLevel() [L190] COND TRUE tmp != 2 [L192] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L192] RET, EXPR isPumpRunning() [L192] tmp___0 = isPumpRunning() [L194] COND FALSE !(\read(tmp___0)) [L785] RET __utac_acc__Specification5_spec__3() [L746] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 701]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L163] int switchedOnBeforeTS ; [L381] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L578] int cleanupTimeShifts = 4; [L760] int pumpRunning = 0; [L761] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L658] int retValue_acc ; [L659] int tmp ; [L663] FCALL select_helpers() [L664] FCALL select_features() [L665] CALL, EXPR valid_product() [L1012] int retValue_acc ; [L1015] retValue_acc = 1 [L1016] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L665] RET, EXPR valid_product() [L665] tmp = valid_product() [L667] COND TRUE \read(tmp) [L669] FCALL setup() [L670] CALL runTest() [L648] CALL __utac_acc__Specification5_spec__1() [L168] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L648] RET __utac_acc__Specification5_spec__1() [L649] CALL test() [L692] int splverifierCounter ; [L693] int tmp ; [L694] int tmp___0 ; [L695] int tmp___1 ; [L696] int tmp___2 ; [L699] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L701] COND TRUE 1 [L703] COND TRUE splverifierCounter < 4 [L709] tmp = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp)) [L719] tmp___0 = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp___0)) [L729] tmp___2 = __VERIFIER_nondet_int() [L731] COND TRUE \read(tmp___2) [L733] CALL startSystem() [L981] systemActive = 1 [L733] RET startSystem() [L746] CALL timeShift() [L768] CALL __utac_acc__Specification5_spec__2() [L177] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L177] RET, EXPR isPumpRunning() [L177] switchedOnBeforeTS = isPumpRunning() [L768] RET __utac_acc__Specification5_spec__2() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L825] int tmp ; [L828] COND FALSE !(\read(pumpRunning)) [L843] CALL processEnvironment__wrappee__highWaterSensor() [L799] int tmp ; [L802] COND TRUE ! pumpRunning [L804] CALL, EXPR isHighWaterLevel() [L940] int retValue_acc ; [L941] int tmp ; [L942] int tmp___0 ; [L946] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L946] RET, EXPR isHighWaterSensorDry() [L946] tmp = isHighWaterSensorDry() [L948] COND TRUE \read(tmp) [L949] tmp___0 = 0 [L953] retValue_acc = tmp___0 [L954] return (retValue_acc); [L804] RET, EXPR isHighWaterLevel() [L804] tmp = isHighWaterLevel() [L806] COND FALSE !(\read(tmp)) [L812] FCALL processEnvironment__wrappee__base() [L843] RET processEnvironment__wrappee__highWaterSensor() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification5_spec__3() [L183] int tmp ; [L184] int tmp___0 ; [L188] CALL, EXPR getWaterLevel() [L129] int retValue_acc ; [L132] retValue_acc = waterLevel [L133] return (retValue_acc); [L188] RET, EXPR getWaterLevel() [L188] tmp = getWaterLevel() [L190] COND TRUE tmp != 2 [L192] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L192] RET, EXPR isPumpRunning() [L192] tmp___0 = isPumpRunning() [L194] COND FALSE !(\read(tmp___0)) [L785] RET __utac_acc__Specification5_spec__3() [L746] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:59:33,334 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)