./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f 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_productSimulator.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 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:41:44,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:41:44,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:41:44,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:41:44,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:41:44,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:41:44,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:41:44,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:41:44,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:41:44,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:41:44,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:41:44,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:41:44,254 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:41:44,254 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:41:44,254 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:41:44,255 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:41:44,255 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:41:44,256 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:41:44,256 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:41:44,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:41:44,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:41:44,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:41:44,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:41:44,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:41:44,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:41:44,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:41:44,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:41:44,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:41:44,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:41:44,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:41:44,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:41:44,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:41:44,263 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:41:44,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:41:44,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:41:44,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:41:44,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:41:44,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:41:44,265 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:41:44,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a [2024-11-12 21:41:44,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:41:44,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:41:44,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:41:44,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:41:44,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:41:44,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2024-11-12 21:41:45,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:41:46,127 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:41:46,128 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2024-11-12 21:41:46,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0627239a/abf0a19468fc4f8c99c1565983f3d11b/FLAGef0919dc6 [2024-11-12 21:41:46,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0627239a/abf0a19468fc4f8c99c1565983f3d11b [2024-11-12 21:41:46,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:41:46,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:41:46,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:41:46,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:41:46,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:41:46,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a095904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46, skipping insertion in model container [2024-11-12 21:41:46,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:41:46,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:41:46,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:41:46,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-12 21:41:46,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] [2024-11-12 21:41:46,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [272] [2024-11-12 21:41:46,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [317] [2024-11-12 21:41:46,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [326] [2024-11-12 21:41:46,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] [2024-11-12 21:41:46,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [771] [2024-11-12 21:41:46,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [1110] [2024-11-12 21:41:46,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:41:46,689 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:41:46,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46 WrapperNode [2024-11-12 21:41:46,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:41:46,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:41:46,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:41:46,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:41:46,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,801 INFO L138 Inliner]: procedures = 65, calls = 125, calls flagged for inlining = 78, calls inlined = 459, statements flattened = 2729 [2024-11-12 21:41:46,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:41:46,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:41:46,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:41:46,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:41:46,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,881 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]. [2024-11-12 21:41:46,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:41:46,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:41:46,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:41:46,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:41:46,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (1/1) ... [2024-11-12 21:41:46,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:41:47,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:41:47,019 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) [2024-11-12 21:41:47,022 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 [2024-11-12 21:41:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:41:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:41:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:41:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:41:47,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:41:47,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:41:48,519 INFO L? ?]: Removed 593 outVars from TransFormulas that were not future-live. [2024-11-12 21:41:48,519 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:41:48,558 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:41:48,561 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:41:48,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:41:48 BoogieIcfgContainer [2024-11-12 21:41:48,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:41:48,563 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:41:48,563 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:41:48,566 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:41:48,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:41:48,567 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:41:46" (1/3) ... [2024-11-12 21:41:48,567 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1881438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:41:48, skipping insertion in model container [2024-11-12 21:41:48,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:41:48,568 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:46" (2/3) ... [2024-11-12 21:41:48,568 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1881438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:41:48, skipping insertion in model container [2024-11-12 21:41:48,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:41:48,568 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:41:48" (3/3) ... [2024-11-12 21:41:48,569 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2024-11-12 21:41:48,641 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:41:48,642 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:41:48,642 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:41:48,642 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:41:48,642 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:41:48,642 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:41:48,643 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:41:48,643 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:41:48,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 779 states, 778 states have (on average 1.3444730077120823) internal successors, (1046), 778 states have internal predecessors, (1046), 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) [2024-11-12 21:41:48,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 513 [2024-11-12 21:41:48,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:41:48,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:41:48,707 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:48,707 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] [2024-11-12 21:41:48,707 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:41:48,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 779 states, 778 states have (on average 1.3444730077120823) internal successors, (1046), 778 states have internal predecessors, (1046), 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) [2024-11-12 21:41:48,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 513 [2024-11-12 21:41:48,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:41:48,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:41:48,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:48,721 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] [2024-11-12 21:41:48,725 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 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);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret14#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret16#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1;" "havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:41:48,725 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume 0 != test_~tmp___2~0#1;" "assume !(0 != ~__SELECTED_FEATURE_startCommand~0);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:41:48,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:48,730 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2024-11-12 21:41:48,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:48,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113497932] [2024-11-12 21:41:48,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:48,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:48,839 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:48,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:48,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:48,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1559470174, now seen corresponding path program 1 times [2024-11-12 21:41:48,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:48,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199850154] [2024-11-12 21:41:48,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:48,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:48,895 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:48,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:48,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:48,907 INFO L85 PathProgramCache]: Analyzing trace with hash 484451791, now seen corresponding path program 1 times [2024-11-12 21:41:48,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:48,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759846899] [2024-11-12 21:41:48,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:48,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:41:49,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:41:49,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759846899] [2024-11-12 21:41:49,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759846899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:41:49,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337331325] [2024-11-12 21:41:49,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:49,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:41:49,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:41:49,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:41:49,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:41:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:41:49,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:41:49,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:41:49,409 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:41:49,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337331325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:41:49,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:41:49,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 2, 2] total 7 [2024-11-12 21:41:49,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942014362] [2024-11-12 21:41:49,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:41:49,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:41:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 21:41:49,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 21:41:49,616 INFO L87 Difference]: Start difference. First operand has 779 states, 778 states have (on average 1.3444730077120823) internal successors, (1046), 778 states have internal predecessors, (1046), 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 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2024-11-12 21:41:49,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:41:49,916 INFO L93 Difference]: Finished difference Result 2364 states and 3157 transitions. [2024-11-12 21:41:49,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2364 states and 3157 transitions. [2024-11-12 21:41:49,943 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1566 [2024-11-12 21:41:49,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2364 states to 2324 states and 3117 transitions. [2024-11-12 21:41:49,969 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2324 [2024-11-12 21:41:49,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2324 [2024-11-12 21:41:49,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2324 states and 3117 transitions. [2024-11-12 21:41:49,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:41:49,983 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2324 states and 3117 transitions. [2024-11-12 21:41:50,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states and 3117 transitions. [2024-11-12 21:41:50,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 826. [2024-11-12 21:41:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 826 states have (on average 1.3389830508474576) internal successors, (1106), 825 states have internal predecessors, (1106), 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) [2024-11-12 21:41:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1106 transitions. [2024-11-12 21:41:50,073 INFO L240 hiAutomatonCegarLoop]: Abstraction has 826 states and 1106 transitions. [2024-11-12 21:41:50,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 21:41:50,078 INFO L426 stractBuchiCegarLoop]: Abstraction has 826 states and 1106 transitions. [2024-11-12 21:41:50,078 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:41:50,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 826 states and 1106 transitions. [2024-11-12 21:41:50,083 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 555 [2024-11-12 21:41:50,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:41:50,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:41:50,086 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:50,087 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] [2024-11-12 21:41:50,087 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 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);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret14#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret16#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1;" "havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:41:50,087 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume 0 != test_~tmp___2~0#1;" "assume !(0 != ~__SELECTED_FEATURE_startCommand~0);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true;" "assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true;" "assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__lowWaterSensor } true;" "assume { :end_inline_processEnvironment__before__methaneAlarm } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:41:50,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:50,089 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2024-11-12 21:41:50,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:50,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352327138] [2024-11-12 21:41:50,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:50,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:50,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:50,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:50,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:50,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1379443018, now seen corresponding path program 1 times [2024-11-12 21:41:50,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:50,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246570871] [2024-11-12 21:41:50,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:50,152 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:50,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:50,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:50,164 INFO L85 PathProgramCache]: Analyzing trace with hash -410957127, now seen corresponding path program 1 times [2024-11-12 21:41:50,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:50,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229249824] [2024-11-12 21:41:50,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:50,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:41:50,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:41:50,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229249824] [2024-11-12 21:41:50,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229249824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:41:50,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555064278] [2024-11-12 21:41:50,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:50,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:41:50,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:41:50,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:41:50,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:41:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:41:50,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 21:41:50,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:41:50,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:41:50,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555064278] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:41:50,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:41:50,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-12 21:41:50,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451970728] [2024-11-12 21:41:50,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:41:50,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:41:50,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 21:41:50,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 21:41:50,670 INFO L87 Difference]: Start difference. First operand 826 states and 1106 transitions. cyclomatic complexity: 283 Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 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) [2024-11-12 21:41:51,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:41:51,021 INFO L93 Difference]: Finished difference Result 1636 states and 2161 transitions. [2024-11-12 21:41:51,021 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1636 states and 2161 transitions. [2024-11-12 21:41:51,034 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1108 [2024-11-12 21:41:51,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1636 states to 1636 states and 2161 transitions. [2024-11-12 21:41:51,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1636 [2024-11-12 21:41:51,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1636 [2024-11-12 21:41:51,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1636 states and 2161 transitions. [2024-11-12 21:41:51,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:41:51,046 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1636 states and 2161 transitions. [2024-11-12 21:41:51,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states and 2161 transitions. [2024-11-12 21:41:51,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1636. [2024-11-12 21:41:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1636 states have (on average 1.3209046454767726) internal successors, (2161), 1635 states have internal predecessors, (2161), 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) [2024-11-12 21:41:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2161 transitions. [2024-11-12 21:41:51,083 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1636 states and 2161 transitions. [2024-11-12 21:41:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:41:51,086 INFO L426 stractBuchiCegarLoop]: Abstraction has 1636 states and 2161 transitions. [2024-11-12 21:41:51,086 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:41:51,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1636 states and 2161 transitions. [2024-11-12 21:41:51,094 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1108 [2024-11-12 21:41:51,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:41:51,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:41:51,096 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:51,097 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] [2024-11-12 21:41:51,097 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(38, 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);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret14#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;havoc select_one_#t~nondet10#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1;" "select_features_#t~ret16#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1;" "havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:41:51,097 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet43#1;test_~tmp___1~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true;" "assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true;" "assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__lowWaterSensor } true;" "assume { :end_inline_processEnvironment__before__methaneAlarm } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~11#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret61#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret61#1;havoc __utac_acc__Specification5_spec__3_#t~ret61#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:41:51,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:51,099 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 3 times [2024-11-12 21:41:51,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:51,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812605361] [2024-11-12 21:41:51,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:51,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:51,111 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:51,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:51,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:51,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1038297962, now seen corresponding path program 1 times [2024-11-12 21:41:51,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:51,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282878852] [2024-11-12 21:41:51,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:51,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:51,141 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:51,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:51,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:51,152 INFO L85 PathProgramCache]: Analyzing trace with hash 669048389, now seen corresponding path program 1 times [2024-11-12 21:41:51,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:51,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117486657] [2024-11-12 21:41:51,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:51,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:51,166 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:51,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:52,366 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:52,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:41:52 BoogieIcfgContainer [2024-11-12 21:41:52,469 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:41:52,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:41:52,470 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:41:52,470 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:41:52,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:41:48" (3/4) ... [2024-11-12 21:41:52,474 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:41:52,540 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:41:52,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:41:52,541 INFO L158 Benchmark]: Toolchain (without parser) took 6370.91ms. Allocated memory was 142.6MB in the beginning and 241.2MB in the end (delta: 98.6MB). Free memory was 71.3MB in the beginning and 162.3MB in the end (delta: -91.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-12 21:41:52,541 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:41:52,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.35ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 71.2MB in the beginning and 134.4MB in the end (delta: -63.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-12 21:41:52,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.33ms. Allocated memory is still 176.2MB. Free memory was 134.4MB in the beginning and 126.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 21:41:52,542 INFO L158 Benchmark]: Boogie Preprocessor took 175.03ms. Allocated memory is still 176.2MB. Free memory was 125.0MB in the beginning and 114.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 21:41:52,542 INFO L158 Benchmark]: RCFGBuilder took 1582.91ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 99.9MB in the end (delta: 14.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-11-12 21:41:52,542 INFO L158 Benchmark]: BuchiAutomizer took 3906.61ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 99.9MB in the beginning and 166.5MB in the end (delta: -66.6MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2024-11-12 21:41:52,543 INFO L158 Benchmark]: Witness Printer took 70.37ms. Allocated memory is still 241.2MB. Free memory was 166.5MB in the beginning and 162.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:41:52,544 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.35ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 71.2MB in the beginning and 134.4MB in the end (delta: -63.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.33ms. Allocated memory is still 176.2MB. Free memory was 134.4MB in the beginning and 126.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.03ms. Allocated memory is still 176.2MB. Free memory was 125.0MB in the beginning and 114.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1582.91ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 99.9MB in the end (delta: 14.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3906.61ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 99.9MB in the beginning and 166.5MB in the end (delta: -66.6MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 70.37ms. Allocated memory is still 241.2MB. Free memory was 166.5MB in the beginning and 162.3MB in the end (delta: 4.2MB). 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: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [272] - GenericResultAtLocation [Line: 317]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [317] - GenericResultAtLocation [Line: 326]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [326] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [771] - GenericResultAtLocation [Line: 1110]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [1110] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 8 locations. The remainder module has 1636 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1498 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, 5951 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5951 mSDsluCounter, 11246 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9238 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 272 IncrementalHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 2008 mSDtfsCounter, 272 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 705]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L66] int waterLevel = 1; [L67] int methaneLevelCritical = 0; [L169] int cleanupTimeShifts = 4; [L496] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L1111] int switchedOnBeforeTS ; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L250] int retValue_acc ; [L251] int tmp ; [L255] CALL select_helpers() [L304] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L255] RET select_helpers() [L256] CALL select_features() [L289] __SELECTED_FEATURE_base = 1 [L290] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L290] RET, EXPR select_one() [L290] __SELECTED_FEATURE_highWaterSensor = select_one() [L291] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L291] RET, EXPR select_one() [L291] __SELECTED_FEATURE_lowWaterSensor = select_one() [L292] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L292] RET, EXPR select_one() [L292] __SELECTED_FEATURE_methaneQuery = select_one() [L293] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L293] RET, EXPR select_one() [L293] __SELECTED_FEATURE_methaneAlarm = select_one() [L294] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L294] RET, EXPR select_one() [L294] __SELECTED_FEATURE_stopCommand = select_one() [L295] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L295] RET, EXPR select_one() [L295] __SELECTED_FEATURE_startCommand = select_one() [L256] RET select_features() [L257] CALL, EXPR valid_product() [L309] int retValue_acc ; [L312] retValue_acc = __SELECTED_FEATURE_base [L313] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L240] CALL __utac_acc__Specification5_spec__1() [L1116] switchedOnBeforeTS = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L240] RET __utac_acc__Specification5_spec__1() [L241] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L705] COND TRUE 1 [L707] COND TRUE splverifierCounter < 4 [L713] tmp = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp)) [L723] tmp___0 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___0)) [L733] tmp___2 = __VERIFIER_nondet_int() [L735] COND FALSE !(\read(tmp___2)) [L745] tmp___1 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___1)) [L760] CALL timeShift() [L785] CALL __utac_acc__Specification5_spec__2() [L1125] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1125] RET, EXPR isPumpRunning() [L1125] switchedOnBeforeTS = isPumpRunning() [L785] RET __utac_acc__Specification5_spec__2() [L787] COND FALSE !(\read(pumpRunning)) [L794] COND TRUE \read(systemActive) [L796] CALL processEnvironment() [L930] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L937] CALL processEnvironment__before__methaneAlarm() [L887] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L894] CALL processEnvironment__before__lowWaterSensor() [L844] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L851] FCALL processEnvironment__before__highWaterSensor() [L894] RET processEnvironment__before__lowWaterSensor() [L937] RET processEnvironment__before__methaneAlarm() [L796] RET processEnvironment() [L802] CALL __utac_acc__Specification5_spec__3() [L1131] int tmp ; [L1132] int tmp___0 ; [L1136] CALL, EXPR getWaterLevel() [L137] int retValue_acc ; [L140] retValue_acc = waterLevel [L141] return (retValue_acc); [L1136] RET, EXPR getWaterLevel() [L1136] tmp = getWaterLevel() [L1138] COND TRUE tmp != 2 [L1140] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1140] RET, EXPR isPumpRunning() [L1140] tmp___0 = isPumpRunning() [L1142] COND FALSE !(\read(tmp___0)) [L802] RET __utac_acc__Specification5_spec__3() [L760] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 705]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L66] int waterLevel = 1; [L67] int methaneLevelCritical = 0; [L169] int cleanupTimeShifts = 4; [L496] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L1111] int switchedOnBeforeTS ; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L250] int retValue_acc ; [L251] int tmp ; [L255] CALL select_helpers() [L304] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L255] RET select_helpers() [L256] CALL select_features() [L289] __SELECTED_FEATURE_base = 1 [L290] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L290] RET, EXPR select_one() [L290] __SELECTED_FEATURE_highWaterSensor = select_one() [L291] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L291] RET, EXPR select_one() [L291] __SELECTED_FEATURE_lowWaterSensor = select_one() [L292] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L292] RET, EXPR select_one() [L292] __SELECTED_FEATURE_methaneQuery = select_one() [L293] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L293] RET, EXPR select_one() [L293] __SELECTED_FEATURE_methaneAlarm = select_one() [L294] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L294] RET, EXPR select_one() [L294] __SELECTED_FEATURE_stopCommand = select_one() [L295] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L295] RET, EXPR select_one() [L295] __SELECTED_FEATURE_startCommand = select_one() [L256] RET select_features() [L257] CALL, EXPR valid_product() [L309] int retValue_acc ; [L312] retValue_acc = __SELECTED_FEATURE_base [L313] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L240] CALL __utac_acc__Specification5_spec__1() [L1116] switchedOnBeforeTS = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L240] RET __utac_acc__Specification5_spec__1() [L241] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L705] COND TRUE 1 [L707] COND TRUE splverifierCounter < 4 [L713] tmp = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp)) [L723] tmp___0 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___0)) [L733] tmp___2 = __VERIFIER_nondet_int() [L735] COND FALSE !(\read(tmp___2)) [L745] tmp___1 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___1)) [L760] CALL timeShift() [L785] CALL __utac_acc__Specification5_spec__2() [L1125] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1125] RET, EXPR isPumpRunning() [L1125] switchedOnBeforeTS = isPumpRunning() [L785] RET __utac_acc__Specification5_spec__2() [L787] COND FALSE !(\read(pumpRunning)) [L794] COND TRUE \read(systemActive) [L796] CALL processEnvironment() [L930] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L937] CALL processEnvironment__before__methaneAlarm() [L887] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L894] CALL processEnvironment__before__lowWaterSensor() [L844] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L851] FCALL processEnvironment__before__highWaterSensor() [L894] RET processEnvironment__before__lowWaterSensor() [L937] RET processEnvironment__before__methaneAlarm() [L796] RET processEnvironment() [L802] CALL __utac_acc__Specification5_spec__3() [L1131] int tmp ; [L1132] int tmp___0 ; [L1136] CALL, EXPR getWaterLevel() [L137] int retValue_acc ; [L140] retValue_acc = waterLevel [L141] return (retValue_acc); [L1136] RET, EXPR getWaterLevel() [L1136] tmp = getWaterLevel() [L1138] COND TRUE tmp != 2 [L1140] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1140] RET, EXPR isPumpRunning() [L1140] tmp___0 = isPumpRunning() [L1142] COND FALSE !(\read(tmp___0)) [L802] RET __utac_acc__Specification5_spec__3() [L760] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:41:52,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:41:52,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 21:41:52,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)