./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_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 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_product37.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 29e70cf9c9b1d0bd005d907ed1d78af9dd0d19752a19f66dfee72f35dd243fc7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:52:43,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:52:43,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-20 22:52:43,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:52:43,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:52:43,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:52:43,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:52:43,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:52:43,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:52:43,828 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:52:43,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:52:43,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:52:43,830 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:52:43,830 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:52:43,830 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:52:43,832 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:52:43,832 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:52:43,832 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:52:43,832 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:52:43,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:52:43,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:52:43,833 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 22:52:43,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:52:43,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 22:52:43,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:52:43,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:52:43,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:52:43,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:52:43,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:52:43,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:52:43,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 22:52:43,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:52:43,838 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:52:43,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:52:43,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:52:43,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:52:43,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:52:43,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:52:43,839 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:52:43,839 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29e70cf9c9b1d0bd005d907ed1d78af9dd0d19752a19f66dfee72f35dd243fc7 [2024-11-20 22:52:44,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:52:44,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:52:44,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:52:44,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:52:44,063 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:52:44,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2024-11-20 22:52:45,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:52:45,650 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:52:45,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2024-11-20 22:52:45,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace9fa46f/d460d0ca3d4e457a9b23b8c52dc96621/FLAGf3156e423 [2024-11-20 22:52:46,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace9fa46f/d460d0ca3d4e457a9b23b8c52dc96621 [2024-11-20 22:52:46,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:52:46,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:52:46,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:52:46,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:52:46,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:52:46,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d58f8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46, skipping insertion in model container [2024-11-20 22:52:46,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:52:46,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:52:46,407 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:52:46,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-20 22:52:46,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2024-11-20 22:52:46,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [519] [2024-11-20 22:52:46,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [705] [2024-11-20 22:52:46,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [770] [2024-11-20 22:52:46,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [865] [2024-11-20 22:52:46,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [874] [2024-11-20 22:52:46,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [908] [2024-11-20 22:52:46,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:52:46,477 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:52:46,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46 WrapperNode [2024-11-20 22:52:46,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:52:46,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:52:46,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:52:46,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:52:46,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,553 INFO L138 Inliner]: procedures = 53, calls = 99, calls flagged for inlining = 52, calls inlined = 83, statements flattened = 564 [2024-11-20 22:52:46,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:52:46,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:52:46,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:52:46,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:52:46,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,601 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]. [2024-11-20 22:52:46,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:52:46,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:52:46,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:52:46,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:52:46,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (1/1) ... [2024-11-20 22:52:46,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:52:46,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:52:46,714 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) [2024-11-20 22:52:46,720 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 [2024-11-20 22:52:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 22:52:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 22:52:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:52:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:52:46,798 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:52:46,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:52:47,036 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-20 22:52:47,036 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:52:47,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:52:47,047 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 22:52:47,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:52:47 BoogieIcfgContainer [2024-11-20 22:52:47,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:52:47,048 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:52:47,048 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:52:47,050 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:52:47,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:52:47,051 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:52:46" (1/3) ... [2024-11-20 22:52:47,051 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a76fae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:52:47, skipping insertion in model container [2024-11-20 22:52:47,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:52:47,052 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:46" (2/3) ... [2024-11-20 22:52:47,052 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a76fae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:52:47, skipping insertion in model container [2024-11-20 22:52:47,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:52:47,052 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:52:47" (3/3) ... [2024-11-20 22:52:47,053 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2024-11-20 22:52:47,101 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:52:47,101 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:52:47,101 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:52:47,101 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:52:47,102 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:52:47,102 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:52:47,102 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:52:47,102 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:52:47,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 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) [2024-11-20 22:52:47,121 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-20 22:52:47,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:52:47,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:52:47,127 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:47,127 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:47,127 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:52:47,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 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) [2024-11-20 22:52:47,132 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-20 22:52:47,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:52:47,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:52:47,133 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:47,133 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:47,137 INFO L745 eck$LassoCheckResult]: Stem: 32#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 27#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 136#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 112#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 66#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 86#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 129#L716-2true [2024-11-20 22:52:47,137 INFO L747 eck$LassoCheckResult]: Loop: 129#L716-2true assume !false; 23#L717true assume test_~splverifierCounter~0#1 < 4; 114#L718true havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 113#L726true assume !(0 != test_~tmp~7#1); 94#L726-2true havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 36#L736true assume !(0 != test_~tmp___0~1#1); 57#L736-2true havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 105#L746true assume 0 != test_~tmp___2~0#1; 90#L752-2true assume { :begin_inline_timeShift } true; 106#L535true assume !(0 != ~pumpRunning~0); 157#L535-2true assume !(0 != ~systemActive~0); 65#L542-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 85#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 28#L884true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 99#L890-1true havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 74#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 129#L716-2true [2024-11-20 22:52:47,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:47,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-20 22:52:47,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:47,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984185586] [2024-11-20 22:52:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:47,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:47,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:47,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:47,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash 975691478, now seen corresponding path program 1 times [2024-11-20 22:52:47,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:47,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58338505] [2024-11-20 22:52:47,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:47,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:47,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:47,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:47,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1963856742, now seen corresponding path program 1 times [2024-11-20 22:52:47,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:47,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368484378] [2024-11-20 22:52:47,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:47,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:52:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:52:47,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:52:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368484378] [2024-11-20 22:52:47,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368484378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:52:47,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:52:47,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:52:47,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128171150] [2024-11-20 22:52:47,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:52:47,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:52:47,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 22:52:47,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 22:52:47,539 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-20 22:52:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:52:47,626 INFO L93 Difference]: Finished difference Result 159 states and 208 transitions. [2024-11-20 22:52:47,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 208 transitions. [2024-11-20 22:52:47,637 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-20 22:52:47,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 149 states and 198 transitions. [2024-11-20 22:52:47,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2024-11-20 22:52:47,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2024-11-20 22:52:47,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 198 transitions. [2024-11-20 22:52:47,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:52:47,659 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-20 22:52:47,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 198 transitions. [2024-11-20 22:52:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-20 22:52:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.3288590604026846) internal successors, (198), 148 states have internal predecessors, (198), 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) [2024-11-20 22:52:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 198 transitions. [2024-11-20 22:52:47,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-20 22:52:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:52:47,708 INFO L425 stractBuchiCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-20 22:52:47,710 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:52:47,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 198 transitions. [2024-11-20 22:52:47,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-20 22:52:47,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:52:47,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:52:47,716 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:47,716 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] [2024-11-20 22:52:47,716 INFO L745 eck$LassoCheckResult]: Stem: 391#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 392#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 386#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 387#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 470#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 436#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 437#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 444#L716-2 [2024-11-20 22:52:47,718 INFO L747 eck$LassoCheckResult]: Loop: 444#L716-2 assume !false; 376#L717 assume test_~splverifierCounter~0#1 < 4; 377#L718 havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 471#L726 assume !(0 != test_~tmp~7#1); 460#L726-2 havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 398#L736 assume !(0 != test_~tmp___0~1#1); 400#L736-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 429#L746 assume 0 != test_~tmp___2~0#1; 455#L752-2 assume { :begin_inline_timeShift } true; 456#L535 assume !(0 != ~pumpRunning~0); 466#L535-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 462#L593 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 450#L567-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 342#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 343#L567-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 467#L593-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 434#L542-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 435#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 383#L884 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 385#L890-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 443#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 444#L716-2 [2024-11-20 22:52:47,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:47,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-20 22:52:47,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:47,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033215801] [2024-11-20 22:52:47,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:47,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:47,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:47,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:47,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1379362805, now seen corresponding path program 1 times [2024-11-20 22:52:47,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:47,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693474487] [2024-11-20 22:52:47,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:47,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:52:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:52:47,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:52:47,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693474487] [2024-11-20 22:52:47,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693474487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:52:47,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:52:47,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 22:52:47,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379425860] [2024-11-20 22:52:47,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:52:47,847 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-20 22:52:47,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:52:47,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 22:52:47,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 22:52:47,847 INFO L87 Difference]: Start difference. First operand 149 states and 198 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:52:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:52:47,987 INFO L93 Difference]: Finished difference Result 210 states and 269 transitions. [2024-11-20 22:52:47,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 269 transitions. [2024-11-20 22:52:47,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2024-11-20 22:52:47,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 269 transitions. [2024-11-20 22:52:47,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2024-11-20 22:52:47,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2024-11-20 22:52:47,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 269 transitions. [2024-11-20 22:52:47,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:52:47,996 INFO L218 hiAutomatonCegarLoop]: Abstraction has 210 states and 269 transitions. [2024-11-20 22:52:47,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 269 transitions. [2024-11-20 22:52:48,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-20 22:52:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 210 states have (on average 1.2809523809523808) internal successors, (269), 209 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:52:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 269 transitions. [2024-11-20 22:52:48,008 INFO L240 hiAutomatonCegarLoop]: Abstraction has 210 states and 269 transitions. [2024-11-20 22:52:48,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 22:52:48,009 INFO L425 stractBuchiCegarLoop]: Abstraction has 210 states and 269 transitions. [2024-11-20 22:52:48,010 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-20 22:52:48,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 269 transitions. [2024-11-20 22:52:48,011 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2024-11-20 22:52:48,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:52:48,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:52:48,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:48,013 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] [2024-11-20 22:52:48,014 INFO L745 eck$LassoCheckResult]: Stem: 757#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 758#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 750#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 751#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 838#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 800#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 801#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 809#L716-2 [2024-11-20 22:52:48,014 INFO L747 eck$LassoCheckResult]: Loop: 809#L716-2 assume !false; 740#L717 assume test_~splverifierCounter~0#1 < 4; 741#L718 havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 837#L726 assume !(0 != test_~tmp~7#1); 827#L726-2 havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 761#L736 assume !(0 != test_~tmp___0~1#1); 763#L736-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 791#L746 assume 0 != test_~tmp___2~0#1; 820#L752-2 assume { :begin_inline_timeShift } true; 821#L535 assume !(0 != ~pumpRunning~0); 833#L535-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 829#L593 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 814#L567-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 721#L855-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 722#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1; 772#L695-3 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0; 823#L695-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 855#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret28#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret28#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1; 841#L571-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 766#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 767#L567-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 834#L593-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 798#L542-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 799#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 747#L884 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 749#L890-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 808#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 809#L716-2 [2024-11-20 22:52:48,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:48,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-20 22:52:48,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:48,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999011386] [2024-11-20 22:52:48,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:48,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:48,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:48,045 INFO L85 PathProgramCache]: Analyzing trace with hash -875885107, now seen corresponding path program 1 times [2024-11-20 22:52:48,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:48,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415019152] [2024-11-20 22:52:48,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:48,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:48,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:48,071 INFO L85 PathProgramCache]: Analyzing trace with hash -500597367, now seen corresponding path program 1 times [2024-11-20 22:52:48,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:48,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903781927] [2024-11-20 22:52:48,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:48,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:52:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:52:48,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:52:48,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903781927] [2024-11-20 22:52:48,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903781927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:52:48,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:52:48,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:52:48,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890948985] [2024-11-20 22:52:48,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:52:48,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:52:48,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:52:48,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:52:48,302 INFO L87 Difference]: Start difference. First operand 210 states and 269 transitions. cyclomatic complexity: 61 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-20 22:52:48,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:52:48,380 INFO L93 Difference]: Finished difference Result 413 states and 523 transitions. [2024-11-20 22:52:48,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 413 states and 523 transitions. [2024-11-20 22:52:48,383 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 292 [2024-11-20 22:52:48,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 413 states to 413 states and 523 transitions. [2024-11-20 22:52:48,385 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 413 [2024-11-20 22:52:48,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 413 [2024-11-20 22:52:48,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 413 states and 523 transitions. [2024-11-20 22:52:48,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:52:48,387 INFO L218 hiAutomatonCegarLoop]: Abstraction has 413 states and 523 transitions. [2024-11-20 22:52:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states and 523 transitions. [2024-11-20 22:52:48,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-20 22:52:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 413 states have (on average 1.2663438256658595) internal successors, (523), 412 states have internal predecessors, (523), 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) [2024-11-20 22:52:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 523 transitions. [2024-11-20 22:52:48,408 INFO L240 hiAutomatonCegarLoop]: Abstraction has 413 states and 523 transitions. [2024-11-20 22:52:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:52:48,412 INFO L425 stractBuchiCegarLoop]: Abstraction has 413 states and 523 transitions. [2024-11-20 22:52:48,412 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-20 22:52:48,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 413 states and 523 transitions. [2024-11-20 22:52:48,413 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 292 [2024-11-20 22:52:48,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:52:48,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:52:48,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:48,414 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] [2024-11-20 22:52:48,414 INFO L745 eck$LassoCheckResult]: Stem: 1395#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1388#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1389#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1487#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1441#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1442#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1459#L716-2 [2024-11-20 22:52:48,414 INFO L747 eck$LassoCheckResult]: Loop: 1459#L716-2 assume !false; 1662#L717 assume test_~splverifierCounter~0#1 < 4; 1663#L718 havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1486#L726 assume !(0 != test_~tmp~7#1); 1471#L726-2 havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 1399#L736 assume !(0 != test_~tmp___0~1#1); 1401#L736-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1430#L746 assume 0 != test_~tmp___2~0#1; 1556#L752-2 assume { :begin_inline_timeShift } true; 1557#L535 assume !(0 != ~pumpRunning~0); 1602#L535-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1476#L593 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1458#L567-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 1358#L855-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 1359#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret39#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret39#1;havoc isHighWaterLevel_#t~ret39#1; 1412#L695-3 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1468#L695-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1588#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret28#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret39#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret28#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1; 1586#L571-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1587#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1755#L567-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret28#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1754#L593-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1753#L542-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 1672#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 1671#L884 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 1670#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 1667#L890 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1666#L890-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1665#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1459#L716-2 [2024-11-20 22:52:48,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:48,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-20 22:52:48,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:48,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505797306] [2024-11-20 22:52:48,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:48,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:48,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:48,437 INFO L85 PathProgramCache]: Analyzing trace with hash 89195938, now seen corresponding path program 1 times [2024-11-20 22:52:48,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:48,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263708263] [2024-11-20 22:52:48,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:48,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:48,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:48,460 INFO L85 PathProgramCache]: Analyzing trace with hash -36538786, now seen corresponding path program 1 times [2024-11-20 22:52:48,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:48,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153513935] [2024-11-20 22:52:48,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:48,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:48,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:49,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:49,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:52:49 BoogieIcfgContainer [2024-11-20 22:52:49,273 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:52:49,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:52:49,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:52:49,273 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:52:49,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:52:47" (3/4) ... [2024-11-20 22:52:49,275 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-20 22:52:49,320 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 22:52:49,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:52:49,321 INFO L158 Benchmark]: Toolchain (without parser) took 3299.46ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 105.8MB in the beginning and 140.1MB in the end (delta: -34.3MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-11-20 22:52:49,321 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 134.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:52:49,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.21ms. Allocated memory is still 176.2MB. Free memory was 105.6MB in the beginning and 135.1MB in the end (delta: -29.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-20 22:52:49,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.58ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 132.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:52:49,322 INFO L158 Benchmark]: Boogie Preprocessor took 97.38ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 128.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 22:52:49,322 INFO L158 Benchmark]: RCFGBuilder took 395.55ms. Allocated memory is still 176.2MB. Free memory was 128.8MB in the beginning and 101.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-20 22:52:49,323 INFO L158 Benchmark]: BuchiAutomizer took 2224.89ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 100.7MB in the beginning and 143.3MB in the end (delta: -42.6MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-11-20 22:52:49,323 INFO L158 Benchmark]: Witness Printer took 47.11ms. Allocated memory is still 268.4MB. Free memory was 143.3MB in the beginning and 140.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 22:52:49,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 134.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.21ms. Allocated memory is still 176.2MB. Free memory was 105.6MB in the beginning and 135.1MB in the end (delta: -29.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.58ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 132.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.38ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 128.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 395.55ms. Allocated memory is still 176.2MB. Free memory was 128.8MB in the beginning and 101.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2224.89ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 100.7MB in the beginning and 143.3MB in the end (delta: -42.6MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Witness Printer took 47.11ms. Allocated memory is still 268.4MB. Free memory was 143.3MB in the beginning and 140.1MB in the end (delta: 3.2MB). 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [519] - GenericResultAtLocation [Line: 705]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [705] - GenericResultAtLocation [Line: 770]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [770] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [865] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [874] - GenericResultAtLocation [Line: 908]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [908] * 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 6 locations. The remainder module has 413 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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 0.1s 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, 504 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 504 mSDsluCounter, 1766 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1120 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 646 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 716]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L772] int waterLevel = 1; [L773] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L935] int retValue_acc ; [L938] retValue_acc = 1 [L939] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L716] COND TRUE 1 [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___2) [L759] CALL timeShift() [L535] COND FALSE !(\read(pumpRunning)) [L542] COND TRUE \read(systemActive) [L544] CALL processEnvironment() [L590] int tmp ; [L593] COND FALSE !(\read(pumpRunning)) [L608] CALL processEnvironment__wrappee__highWaterSensor() [L564] int tmp ; [L567] COND TRUE ! pumpRunning [L569] CALL, EXPR isHighWaterLevel() [L687] int retValue_acc ; [L688] int tmp ; [L689] int tmp___0 ; [L693] CALL, EXPR isHighWaterSensorDry() [L852] int retValue_acc ; [L855] COND TRUE waterLevel < 2 [L856] retValue_acc = 1 [L857] return (retValue_acc); [L693] RET, EXPR isHighWaterSensorDry() [L693] tmp = isHighWaterSensorDry() [L695] COND TRUE \read(tmp) [L696] tmp___0 = 0 [L700] retValue_acc = tmp___0 [L701] return (retValue_acc); [L569] RET, EXPR isHighWaterLevel() [L569] tmp = isHighWaterLevel() [L571] COND FALSE !(\read(tmp)) [L577] FCALL processEnvironment__wrappee__base() [L608] RET processEnvironment__wrappee__highWaterSensor() [L544] RET processEnvironment() [L550] CALL __utac_acc__Specification3_spec__1() [L876] int tmp ; [L877] int tmp___0 ; [L878] int tmp___1 ; [L882] CALL, EXPR isMethaneLevelCritical() [L811] int retValue_acc ; [L814] retValue_acc = methaneLevelCritical [L815] return (retValue_acc); [L882] RET, EXPR isMethaneLevelCritical() [L882] tmp = isMethaneLevelCritical() [L884] COND FALSE !(\read(tmp)) [L888] CALL, EXPR getWaterLevel() [L843] int retValue_acc ; [L846] retValue_acc = waterLevel [L847] return (retValue_acc); [L888] RET, EXPR getWaterLevel() [L888] tmp___0 = getWaterLevel() [L890] COND FALSE !(tmp___0 == 2) [L550] RET __utac_acc__Specification3_spec__1() [L759] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 716]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L772] int waterLevel = 1; [L773] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L935] int retValue_acc ; [L938] retValue_acc = 1 [L939] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L716] COND TRUE 1 [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___2) [L759] CALL timeShift() [L535] COND FALSE !(\read(pumpRunning)) [L542] COND TRUE \read(systemActive) [L544] CALL processEnvironment() [L590] int tmp ; [L593] COND FALSE !(\read(pumpRunning)) [L608] CALL processEnvironment__wrappee__highWaterSensor() [L564] int tmp ; [L567] COND TRUE ! pumpRunning [L569] CALL, EXPR isHighWaterLevel() [L687] int retValue_acc ; [L688] int tmp ; [L689] int tmp___0 ; [L693] CALL, EXPR isHighWaterSensorDry() [L852] int retValue_acc ; [L855] COND TRUE waterLevel < 2 [L856] retValue_acc = 1 [L857] return (retValue_acc); [L693] RET, EXPR isHighWaterSensorDry() [L693] tmp = isHighWaterSensorDry() [L695] COND TRUE \read(tmp) [L696] tmp___0 = 0 [L700] retValue_acc = tmp___0 [L701] return (retValue_acc); [L569] RET, EXPR isHighWaterLevel() [L569] tmp = isHighWaterLevel() [L571] COND FALSE !(\read(tmp)) [L577] FCALL processEnvironment__wrappee__base() [L608] RET processEnvironment__wrappee__highWaterSensor() [L544] RET processEnvironment() [L550] CALL __utac_acc__Specification3_spec__1() [L876] int tmp ; [L877] int tmp___0 ; [L878] int tmp___1 ; [L882] CALL, EXPR isMethaneLevelCritical() [L811] int retValue_acc ; [L814] retValue_acc = methaneLevelCritical [L815] return (retValue_acc); [L882] RET, EXPR isMethaneLevelCritical() [L882] tmp = isMethaneLevelCritical() [L884] COND FALSE !(\read(tmp)) [L888] CALL, EXPR getWaterLevel() [L843] int retValue_acc ; [L846] retValue_acc = waterLevel [L847] return (retValue_acc); [L888] RET, EXPR getWaterLevel() [L888] tmp___0 = getWaterLevel() [L890] COND FALSE !(tmp___0 == 2) [L550] RET __utac_acc__Specification3_spec__1() [L759] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-20 22:52:49,340 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)