./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.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 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:39:39,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:39:39,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:39:39,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:39:39,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:39:39,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:39:39,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:39:39,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:39:39,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:39:39,631 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:39:39,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:39:39,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:39:39,632 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:39:39,632 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:39:39,633 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:39:39,633 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:39:39,633 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:39:39,634 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:39:39,634 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:39:39,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:39:39,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:39:39,639 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:39:39,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:39:39,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:39:39,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:39:39,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:39:39,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:39:39,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:39:39,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:39:39,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:39:39,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:39:39,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:39:39,642 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:39:39,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:39:39,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:39:39,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:39:39,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:39:39,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:39:39,647 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:39:39,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e [2024-10-13 17:39:39,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:39:39,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:39:39,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:39:39,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:39:39,920 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:39:39,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2024-10-13 17:39:41,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:39:41,625 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:39:41,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2024-10-13 17:39:41,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b9fd0f3/d9278f82fe0d48a0b13981ba0be45e4a/FLAG29e41825c [2024-10-13 17:39:41,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b9fd0f3/d9278f82fe0d48a0b13981ba0be45e4a [2024-10-13 17:39:41,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:39:41,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:39:41,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:39:41,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:39:41,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:39:41,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:39:41" (1/1) ... [2024-10-13 17:39:41,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b350141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:41, skipping insertion in model container [2024-10-13 17:39:41,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:39:41" (1/1) ... [2024-10-13 17:39:41,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:39:42,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:39:42,037 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:39:42,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2024-10-13 17:39:42,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [87] [2024-10-13 17:39:42,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [125] [2024-10-13 17:39:42,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [491] [2024-10-13 17:39:42,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2024-10-13 17:39:42,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [689] [2024-10-13 17:39:42,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [895] [2024-10-13 17:39:42,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [962] [2024-10-13 17:39:42,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:39:42,162 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:39:42,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42 WrapperNode [2024-10-13 17:39:42,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:39:42,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:39:42,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:39:42,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:39:42,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,235 INFO L138 Inliner]: procedures = 55, calls = 102, calls flagged for inlining = 55, calls inlined = 102, statements flattened = 693 [2024-10-13 17:39:42,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:39:42,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:39:42,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:39:42,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:39:42,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,276 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]. [2024-10-13 17:39:42,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:39:42,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:39:42,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:39:42,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:39:42,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (1/1) ... [2024-10-13 17:39:42,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:39:42,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:39:42,362 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) [2024-10-13 17:39:42,365 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 [2024-10-13 17:39:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:39:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:39:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:39:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:39:42,501 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:39:42,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:39:42,946 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live. [2024-10-13 17:39:42,947 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:39:42,967 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:39:42,967 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:39:42,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:42 BoogieIcfgContainer [2024-10-13 17:39:42,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:39:42,971 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:39:42,971 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:39:42,975 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:39:42,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:42,976 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:39:41" (1/3) ... [2024-10-13 17:39:42,977 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40d7cdb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:39:42, skipping insertion in model container [2024-10-13 17:39:42,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:42,977 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:42" (2/3) ... [2024-10-13 17:39:42,978 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40d7cdb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:39:42, skipping insertion in model container [2024-10-13 17:39:42,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:42,978 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:42" (3/3) ... [2024-10-13 17:39:42,979 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2024-10-13 17:39:43,035 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:39:43,036 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:39:43,036 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:39:43,037 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:39:43,037 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:39:43,037 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:39:43,037 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:39:43,037 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:39:43,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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) [2024-10-13 17:39:43,074 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2024-10-13 17:39:43,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:43,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:43,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:43,081 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:43,082 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:39:43,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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) [2024-10-13 17:39:43,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2024-10-13 17:39:43,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:43,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:43,094 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:43,094 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:43,099 INFO L745 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 59#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 154#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 131#valid_product_returnLabel#1true main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 20#L579true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 106#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 174#L906-2true [2024-10-13 17:39:43,100 INFO L747 eck$LassoCheckResult]: Loop: 174#L906-2true assume !false; 82#L907true assume test_~splverifierCounter~0#1 < 4; 110#L908true havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 166#L916true assume !(0 != test_~tmp~9#1); 17#L916-2true havoc test_#t~nondet51#1;test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 139#L926true assume !(0 != test_~tmp___0~2#1); 147#L926-2true havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 51#L936true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 74#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 158#L944-2true assume { :begin_inline_timeShift } true; 86#L700true assume !(0 != ~pumpRunning~0); 134#L700-2true assume !(0 != ~systemActive~0); 104#L707-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 94#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 8#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 183#L69-1true havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 91#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 174#L906-2true [2024-10-13 17:39:43,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:43,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-13 17:39:43,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:43,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362765650] [2024-10-13 17:39:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:43,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:43,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:43,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:43,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:43,281 INFO L85 PathProgramCache]: Analyzing trace with hash -633157549, now seen corresponding path program 1 times [2024-10-13 17:39:43,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:43,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730738783] [2024-10-13 17:39:43,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:43,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:39:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:39:43,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:39:43,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730738783] [2024-10-13 17:39:43,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730738783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:39:43,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:39:43,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:39:43,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312677882] [2024-10-13 17:39:43,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:39:43,413 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:39:43,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:39:43,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:39:43,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:39:43,450 INFO L87 Difference]: Start difference. First operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-13 17:39:43,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:39:43,488 INFO L93 Difference]: Finished difference Result 184 states and 240 transitions. [2024-10-13 17:39:43,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 240 transitions. [2024-10-13 17:39:43,494 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2024-10-13 17:39:43,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 174 states and 229 transitions. [2024-10-13 17:39:43,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2024-10-13 17:39:43,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2024-10-13 17:39:43,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 229 transitions. [2024-10-13 17:39:43,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:39:43,502 INFO L218 hiAutomatonCegarLoop]: Abstraction has 174 states and 229 transitions. [2024-10-13 17:39:43,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 229 transitions. [2024-10-13 17:39:43,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-10-13 17:39:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 174 states have (on average 1.3160919540229885) internal successors, (229), 173 states have internal predecessors, (229), 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) [2024-10-13 17:39:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 229 transitions. [2024-10-13 17:39:43,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 174 states and 229 transitions. [2024-10-13 17:39:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:39:43,537 INFO L425 stractBuchiCegarLoop]: Abstraction has 174 states and 229 transitions. [2024-10-13 17:39:43,538 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:39:43,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 174 states and 229 transitions. [2024-10-13 17:39:43,540 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2024-10-13 17:39:43,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:43,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:43,541 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:43,541 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] [2024-10-13 17:39:43,542 INFO L745 eck$LassoCheckResult]: Stem: 450#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 451#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 440#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 441#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 538#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 414#L579 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 415#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 504#L906-2 [2024-10-13 17:39:43,542 INFO L747 eck$LassoCheckResult]: Loop: 504#L906-2 assume !false; 497#L907 assume test_~splverifierCounter~0#1 < 4; 498#L908 havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 517#L916 assume !(0 != test_~tmp~9#1); 410#L916-2 havoc test_#t~nondet51#1;test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 411#L926 assume !(0 != test_~tmp___0~2#1); 507#L926-2 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 468#L936 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~1#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 400#L944 assume 0 != test_~tmp___1~1#1; 401#L944-2 assume { :begin_inline_timeShift } true; 502#L700 assume !(0 != ~pumpRunning~0); 489#L700-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 540#L758 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 541#L732-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 383#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 384#L732-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 409#L758-1 havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 515#L707-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 508#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 392#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 393#L69-1 havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 503#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 504#L906-2 [2024-10-13 17:39:43,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:43,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-13 17:39:43,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:43,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021683355] [2024-10-13 17:39:43,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:43,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:43,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:43,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1976629307, now seen corresponding path program 1 times [2024-10-13 17:39:43,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:43,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368598054] [2024-10-13 17:39:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:39:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:39:43,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:39:43,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368598054] [2024-10-13 17:39:43,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368598054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:39:43,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:39:43,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:39:43,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205934589] [2024-10-13 17:39:43,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:39:43,640 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:39:43,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:39:43,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:39:43,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:39:43,642 INFO L87 Difference]: Start difference. First operand 174 states and 229 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-10-13 17:39:43,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:39:43,745 INFO L93 Difference]: Finished difference Result 242 states and 307 transitions. [2024-10-13 17:39:43,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 242 states and 307 transitions. [2024-10-13 17:39:43,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-10-13 17:39:43,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 242 states to 242 states and 307 transitions. [2024-10-13 17:39:43,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 242 [2024-10-13 17:39:43,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 242 [2024-10-13 17:39:43,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 242 states and 307 transitions. [2024-10-13 17:39:43,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:39:43,752 INFO L218 hiAutomatonCegarLoop]: Abstraction has 242 states and 307 transitions. [2024-10-13 17:39:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states and 307 transitions. [2024-10-13 17:39:43,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2024-10-13 17:39:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 242 states have (on average 1.2685950413223142) internal successors, (307), 241 states have internal predecessors, (307), 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) [2024-10-13 17:39:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 307 transitions. [2024-10-13 17:39:43,762 INFO L240 hiAutomatonCegarLoop]: Abstraction has 242 states and 307 transitions. [2024-10-13 17:39:43,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:39:43,763 INFO L425 stractBuchiCegarLoop]: Abstraction has 242 states and 307 transitions. [2024-10-13 17:39:43,763 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:39:43,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 242 states and 307 transitions. [2024-10-13 17:39:43,765 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-10-13 17:39:43,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:43,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:43,766 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:43,766 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] [2024-10-13 17:39:43,766 INFO L745 eck$LassoCheckResult]: Stem: 871#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 872#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 857#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 858#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 969#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 834#L579 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 835#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 931#L906-2 [2024-10-13 17:39:43,766 INFO L747 eck$LassoCheckResult]: Loop: 931#L906-2 assume !false; 921#L907 assume test_~splverifierCounter~0#1 < 4; 922#L908 havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1045#L916 assume !(0 != test_~tmp~9#1); 1043#L916-2 havoc test_#t~nondet51#1;test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1041#L926 assume !(0 != test_~tmp___0~2#1); 977#L926-2 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 889#L936 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~1#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 818#L944 assume 0 != test_~tmp___1~1#1; 819#L944-2 assume { :begin_inline_timeShift } true; 928#L700 assume !(0 != ~pumpRunning~0); 929#L700-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 970#L758 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 972#L732-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 961#L679-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 898#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret49#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret49#1;havoc isHighWaterLevel_#t~ret49#1; 859#L877-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 860#L877-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 950#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret37#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1; 815#L736-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 817#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 830#L732-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 831#L758-1 havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 941#L707-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 935#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 812#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 813#L69-1 havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 930#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 931#L906-2 [2024-10-13 17:39:43,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:43,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-10-13 17:39:43,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:43,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694574231] [2024-10-13 17:39:43,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:43,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:43,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:43,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:43,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:43,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1357381597, now seen corresponding path program 1 times [2024-10-13 17:39:43,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:43,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865184277] [2024-10-13 17:39:43,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:43,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:43,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:43,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:43,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:43,831 INFO L85 PathProgramCache]: Analyzing trace with hash 106399649, now seen corresponding path program 1 times [2024-10-13 17:39:43,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:43,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771341629] [2024-10-13 17:39:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:43,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:39:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:39:43,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:39:43,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771341629] [2024-10-13 17:39:43,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771341629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:39:43,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:39:43,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:39:43,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999226465] [2024-10-13 17:39:43,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:39:44,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:39:44,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 17:39:44,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 17:39:44,166 INFO L87 Difference]: Start difference. First operand 242 states and 307 transitions. cyclomatic complexity: 67 Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-10-13 17:39:44,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:39:44,333 INFO L93 Difference]: Finished difference Result 477 states and 599 transitions. [2024-10-13 17:39:44,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 477 states and 599 transitions. [2024-10-13 17:39:44,338 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 336 [2024-10-13 17:39:44,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 477 states to 477 states and 599 transitions. [2024-10-13 17:39:44,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 477 [2024-10-13 17:39:44,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 477 [2024-10-13 17:39:44,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 477 states and 599 transitions. [2024-10-13 17:39:44,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:39:44,349 INFO L218 hiAutomatonCegarLoop]: Abstraction has 477 states and 599 transitions. [2024-10-13 17:39:44,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states and 599 transitions. [2024-10-13 17:39:44,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2024-10-13 17:39:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 477 states have (on average 1.2557651991614256) internal successors, (599), 476 states have internal predecessors, (599), 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) [2024-10-13 17:39:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 599 transitions. [2024-10-13 17:39:44,370 INFO L240 hiAutomatonCegarLoop]: Abstraction has 477 states and 599 transitions. [2024-10-13 17:39:44,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:39:44,371 INFO L425 stractBuchiCegarLoop]: Abstraction has 477 states and 599 transitions. [2024-10-13 17:39:44,371 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 17:39:44,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states and 599 transitions. [2024-10-13 17:39:44,373 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 336 [2024-10-13 17:39:44,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:44,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:44,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:44,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:44,375 INFO L745 eck$LassoCheckResult]: Stem: 1603#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1604#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1589#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1590#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1715#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 1567#L579 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1568#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1685#L906-2 [2024-10-13 17:39:44,375 INFO L747 eck$LassoCheckResult]: Loop: 1685#L906-2 assume !false; 1850#L907 assume test_~splverifierCounter~0#1 < 4; 1849#L908 havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1847#L916 assume !(0 != test_~tmp~9#1); 1845#L916-2 havoc test_#t~nondet51#1;test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1844#L926 assume !(0 != test_~tmp___0~2#1); 1842#L926-2 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1841#L936 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~1#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 1840#L944 assume 0 != test_~tmp___1~1#1; 1838#L944-2 assume { :begin_inline_timeShift } true; 1837#L700 assume !(0 != ~pumpRunning~0); 1808#L700-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1836#L758 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1803#L732-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1835#L679-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1635#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret49#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret49#1;havoc isHighWaterLevel_#t~ret49#1; 1591#L877-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1592#L877-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 1694#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret37#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1; 1738#L736-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1626#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1627#L732-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1734#L758-1 havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1860#L707-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1859#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 1858#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1857#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1855#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1853#L69-1 havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1852#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1685#L906-2 [2024-10-13 17:39:44,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:44,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-10-13 17:39:44,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:44,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897852037] [2024-10-13 17:39:44,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:44,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:44,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:44,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:44,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:44,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1225148686, now seen corresponding path program 1 times [2024-10-13 17:39:44,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:44,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225208132] [2024-10-13 17:39:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:44,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:44,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:44,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:44,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:44,436 INFO L85 PathProgramCache]: Analyzing trace with hash -827957834, now seen corresponding path program 1 times [2024-10-13 17:39:44,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:44,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41968371] [2024-10-13 17:39:44,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:44,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:44,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:44,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:45,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:45,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:39:45 BoogieIcfgContainer [2024-10-13 17:39:45,439 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:39:45,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:39:45,440 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:39:45,440 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:39:45,440 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:42" (3/4) ... [2024-10-13 17:39:45,441 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:39:45,510 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:39:45,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:39:45,514 INFO L158 Benchmark]: Toolchain (without parser) took 3849.81ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 99.5MB in the beginning and 153.7MB in the end (delta: -54.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:39:45,514 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:39:45,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.78ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 127.9MB in the end (delta: -28.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 17:39:45,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.20ms. Allocated memory is still 167.8MB. Free memory was 127.9MB in the beginning and 124.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:39:45,515 INFO L158 Benchmark]: Boogie Preprocessor took 69.29ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 120.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:39:45,515 INFO L158 Benchmark]: RCFGBuilder took 660.02ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 89.4MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-13 17:39:45,516 INFO L158 Benchmark]: BuchiAutomizer took 2467.96ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 89.4MB in the beginning and 156.8MB in the end (delta: -67.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:39:45,516 INFO L158 Benchmark]: Witness Printer took 74.01ms. Allocated memory is still 216.0MB. Free memory was 156.8MB in the beginning and 153.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:39:45,517 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 104.9MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.78ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 127.9MB in the end (delta: -28.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.20ms. Allocated memory is still 167.8MB. Free memory was 127.9MB in the beginning and 124.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.29ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 120.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 660.02ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 89.4MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2467.96ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 89.4MB in the beginning and 156.8MB in the end (delta: -67.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.01ms. Allocated memory is still 216.0MB. Free memory was 156.8MB in the beginning and 153.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [87] - GenericResultAtLocation [Line: 125]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [125] - GenericResultAtLocation [Line: 491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [491] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [689] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [895] - GenericResultAtLocation [Line: 962]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [962] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 477 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 594 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 594 mSDsluCounter, 1514 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 805 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 709 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 906]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L492] int cleanupTimeShifts = 4; [L596] int waterLevel = 1; [L597] int methaneLevelCritical = 0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L570] int retValue_acc ; [L571] int tmp ; [L575] FCALL select_helpers() [L576] FCALL select_features() [L577] CALL, EXPR valid_product() [L117] int retValue_acc ; [L120] retValue_acc = 1 [L121] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L577] RET, EXPR valid_product() [L577] tmp = valid_product() [L579] COND TRUE \read(tmp) [L581] FCALL setup() [L582] CALL runTest() [L564] CALL test() [L897] int splverifierCounter ; [L898] int tmp ; [L899] int tmp___0 ; [L900] int tmp___1 ; [L901] int tmp___2 ; [L904] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L906] COND TRUE 1 [L908] COND TRUE splverifierCounter < 4 [L914] tmp = __VERIFIER_nondet_int() [L916] COND FALSE !(\read(tmp)) [L924] tmp___0 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___0)) [L934] tmp___2 = __VERIFIER_nondet_int() [L936] COND FALSE !(\read(tmp___2)) [L942] tmp___1 = __VERIFIER_nondet_int() [L944] COND TRUE \read(tmp___1) [L951] CALL timeShift() [L700] COND FALSE !(\read(pumpRunning)) [L707] COND TRUE \read(systemActive) [L709] CALL processEnvironment() [L755] int tmp ; [L758] COND FALSE !(\read(pumpRunning)) [L773] CALL processEnvironment__wrappee__methaneQuery() [L729] int tmp ; [L732] COND TRUE ! pumpRunning [L734] CALL, EXPR isHighWaterLevel() [L869] int retValue_acc ; [L870] int tmp ; [L871] int tmp___0 ; [L875] CALL, EXPR isHighWaterSensorDry() [L676] int retValue_acc ; [L679] COND TRUE waterLevel < 2 [L680] retValue_acc = 1 [L681] return (retValue_acc); [L875] RET, EXPR isHighWaterSensorDry() [L875] tmp = isHighWaterSensorDry() [L877] COND TRUE \read(tmp) [L878] tmp___0 = 0 [L882] retValue_acc = tmp___0 [L883] return (retValue_acc); [L734] RET, EXPR isHighWaterLevel() [L734] tmp = isHighWaterLevel() [L736] COND FALSE !(\read(tmp)) [L742] FCALL processEnvironment__wrappee__base() [L773] RET processEnvironment__wrappee__methaneQuery() [L709] RET processEnvironment() [L715] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L635] int retValue_acc ; [L638] retValue_acc = methaneLevelCritical [L639] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L667] int retValue_acc ; [L670] retValue_acc = waterLevel [L671] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L715] RET __utac_acc__Specification3_spec__1() [L951] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 906]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L492] int cleanupTimeShifts = 4; [L596] int waterLevel = 1; [L597] int methaneLevelCritical = 0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L570] int retValue_acc ; [L571] int tmp ; [L575] FCALL select_helpers() [L576] FCALL select_features() [L577] CALL, EXPR valid_product() [L117] int retValue_acc ; [L120] retValue_acc = 1 [L121] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L577] RET, EXPR valid_product() [L577] tmp = valid_product() [L579] COND TRUE \read(tmp) [L581] FCALL setup() [L582] CALL runTest() [L564] CALL test() [L897] int splverifierCounter ; [L898] int tmp ; [L899] int tmp___0 ; [L900] int tmp___1 ; [L901] int tmp___2 ; [L904] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L906] COND TRUE 1 [L908] COND TRUE splverifierCounter < 4 [L914] tmp = __VERIFIER_nondet_int() [L916] COND FALSE !(\read(tmp)) [L924] tmp___0 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___0)) [L934] tmp___2 = __VERIFIER_nondet_int() [L936] COND FALSE !(\read(tmp___2)) [L942] tmp___1 = __VERIFIER_nondet_int() [L944] COND TRUE \read(tmp___1) [L951] CALL timeShift() [L700] COND FALSE !(\read(pumpRunning)) [L707] COND TRUE \read(systemActive) [L709] CALL processEnvironment() [L755] int tmp ; [L758] COND FALSE !(\read(pumpRunning)) [L773] CALL processEnvironment__wrappee__methaneQuery() [L729] int tmp ; [L732] COND TRUE ! pumpRunning [L734] CALL, EXPR isHighWaterLevel() [L869] int retValue_acc ; [L870] int tmp ; [L871] int tmp___0 ; [L875] CALL, EXPR isHighWaterSensorDry() [L676] int retValue_acc ; [L679] COND TRUE waterLevel < 2 [L680] retValue_acc = 1 [L681] return (retValue_acc); [L875] RET, EXPR isHighWaterSensorDry() [L875] tmp = isHighWaterSensorDry() [L877] COND TRUE \read(tmp) [L878] tmp___0 = 0 [L882] retValue_acc = tmp___0 [L883] return (retValue_acc); [L734] RET, EXPR isHighWaterLevel() [L734] tmp = isHighWaterLevel() [L736] COND FALSE !(\read(tmp)) [L742] FCALL processEnvironment__wrappee__base() [L773] RET processEnvironment__wrappee__methaneQuery() [L709] RET processEnvironment() [L715] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L635] int retValue_acc ; [L638] retValue_acc = methaneLevelCritical [L639] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L667] int retValue_acc ; [L670] retValue_acc = waterLevel [L671] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L715] RET __utac_acc__Specification3_spec__1() [L951] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:39:45,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)