./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_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 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_product13.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 4e8d46dd9ecc40481581770f17d7ff7eeb44cf0ae7cc4edb04be6d125fad45fc --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:53:47,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:53:47,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:53:47,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:53:47,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:53:47,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:53:47,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:53:47,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:53:47,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:53:47,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:53:47,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:53:47,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:53:47,401 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:53:47,403 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:53:47,403 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:53:47,404 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:53:47,404 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:53:47,404 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:53:47,404 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:53:47,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:53:47,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:53:47,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:53:47,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:53:47,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:53:47,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:53:47,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:53:47,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:53:47,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:53:47,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:53:47,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:53:47,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:53:47,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:53:47,413 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:53:47,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:53:47,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:53:47,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:53:47,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:53:47,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:53:47,416 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:53:47,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e8d46dd9ecc40481581770f17d7ff7eeb44cf0ae7cc4edb04be6d125fad45fc [2024-10-15 00:53:47,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:53:47,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:53:47,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:53:47,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:53:47,686 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:53:47,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2024-10-15 00:53:49,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:53:49,476 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:53:49,477 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2024-10-15 00:53:49,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cc2d6df/5bf31e561eae4d94a876f615dcabf56c/FLAG8f8799ef0 [2024-10-15 00:53:49,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cc2d6df/5bf31e561eae4d94a876f615dcabf56c [2024-10-15 00:53:49,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:53:49,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:53:49,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:53:49,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:53:49,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:53:49,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:53:49" (1/1) ... [2024-10-15 00:53:49,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5360d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:49, skipping insertion in model container [2024-10-15 00:53:49,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:53:49" (1/1) ... [2024-10-15 00:53:49,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:53:49,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:53:49,877 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:53:49,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-10-15 00:53:49,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] [2024-10-15 00:53:49,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [173] [2024-10-15 00:53:49,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [182] [2024-10-15 00:53:49,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [281] [2024-10-15 00:53:49,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [435] [2024-10-15 00:53:49,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [469] [2024-10-15 00:53:49,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [534] [2024-10-15 00:53:49,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:53:50,003 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:53:50,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50 WrapperNode [2024-10-15 00:53:50,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:53:50,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:53:50,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:53:50,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:53:50,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,075 INFO L138 Inliner]: procedures = 51, calls = 96, calls flagged for inlining = 49, calls inlined = 53, statements flattened = 342 [2024-10-15 00:53:50,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:53:50,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:53:50,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:53:50,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:53:50,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,117 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]. [2024-10-15 00:53:50,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:53:50,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:53:50,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:53:50,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:53:50,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (1/1) ... [2024-10-15 00:53:50,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:53:50,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:53:50,192 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) [2024-10-15 00:53:50,195 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 [2024-10-15 00:53:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:53:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:53:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:53:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:53:50,347 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:53:50,349 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:53:50,667 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-10-15 00:53:50,668 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:53:50,682 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:53:50,683 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 00:53:50,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:50 BoogieIcfgContainer [2024-10-15 00:53:50,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:53:50,684 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:53:50,685 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:53:50,688 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:53:50,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:50,688 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:53:49" (1/3) ... [2024-10-15 00:53:50,689 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@480232f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:53:50, skipping insertion in model container [2024-10-15 00:53:50,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:50,690 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:50" (2/3) ... [2024-10-15 00:53:50,690 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@480232f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:53:50, skipping insertion in model container [2024-10-15 00:53:50,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:50,690 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:50" (3/3) ... [2024-10-15 00:53:50,691 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2024-10-15 00:53:50,753 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:53:50,753 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:53:50,753 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:53:50,753 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:53:50,753 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:53:50,753 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:53:50,753 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:53:50,754 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:53:50,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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) [2024-10-15 00:53:50,776 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-15 00:53:50,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:50,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:50,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:50,784 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:50,784 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:53:50,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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) [2024-10-15 00:53:50,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-15 00:53:50,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:50,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:50,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:50,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:50,795 INFO L745 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 81#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 72#valid_product_returnLabel#1true main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 18#L268true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 61#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 38#L480-2true [2024-10-15 00:53:50,796 INFO L747 eck$LassoCheckResult]: Loop: 38#L480-2true assume !false; 19#L481true assume test_~splverifierCounter~0#1 < 4; 48#L482true havoc test_#t~nondet25#1;test_~tmp~4#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 17#L490true assume !(0 != test_~tmp~4#1); 15#L490-2true havoc test_#t~nondet26#1;test_~tmp___0~1#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 92#L500true assume !(0 != test_~tmp___0~1#1); 95#L500-2true havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 67#L510true assume 0 != test_~tmp___2~0#1; 27#L516-2true assume { :begin_inline_timeShift } true; 93#L293true assume !(0 != ~pumpRunning~0); 3#L293-2true assume !(0 != ~systemActive~0); 35#L300-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#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~3#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 60#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret22#1;havoc __utac_acc__Specification3_spec__1_#t~ret22#1; 30#L445true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 62#L451-1true havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#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; 50#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 38#L480-2true [2024-10-15 00:53:50,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:50,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-15 00:53:50,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:50,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513843379] [2024-10-15 00:53:50,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:50,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:50,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:50,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:50,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:50,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1035983530, now seen corresponding path program 1 times [2024-10-15 00:53:50,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:50,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854466354] [2024-10-15 00:53:50,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:50,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:50,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:50,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:50,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:50,987 INFO L85 PathProgramCache]: Analyzing trace with hash 319435546, now seen corresponding path program 1 times [2024-10-15 00:53:50,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:50,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154775606] [2024-10-15 00:53:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:50,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:53:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:53:51,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:53:51,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154775606] [2024-10-15 00:53:51,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154775606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:53:51,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:53:51,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:53:51,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867093046] [2024-10-15 00:53:51,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:53:51,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:53:51,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 00:53:51,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-15 00:53:51,384 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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) [2024-10-15 00:53:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:53:51,455 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2024-10-15 00:53:51,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2024-10-15 00:53:51,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-10-15 00:53:51,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2024-10-15 00:53:51,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2024-10-15 00:53:51,465 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2024-10-15 00:53:51,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2024-10-15 00:53:51,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:53:51,466 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-15 00:53:51,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2024-10-15 00:53:51,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-15 00:53:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) [2024-10-15 00:53:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2024-10-15 00:53:51,502 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-15 00:53:51,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:53:51,507 INFO L425 stractBuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-15 00:53:51,507 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:53:51,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2024-10-15 00:53:51,509 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-10-15 00:53:51,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:51,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:51,513 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:51,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:51,514 INFO L745 eck$LassoCheckResult]: Stem: 282#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 269#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 270#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 263#valid_product_returnLabel#1 main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 262#L268 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 226#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 227#L480-2 [2024-10-15 00:53:51,514 INFO L747 eck$LassoCheckResult]: Loop: 227#L480-2 assume !false; 264#L481 assume test_~splverifierCounter~0#1 < 4; 265#L482 havoc test_#t~nondet25#1;test_~tmp~4#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 261#L490 assume !(0 != test_~tmp~4#1); 250#L490-2 havoc test_#t~nondet26#1;test_~tmp___0~1#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 251#L500 assume !(0 != test_~tmp___0~1#1); 302#L500-2 havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 252#L510 assume 0 != test_~tmp___2~0#1; 254#L516-2 assume { :begin_inline_timeShift } true; 284#L293 assume !(0 != ~pumpRunning~0); 222#L293-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 223#L325 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 306#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 290#L325-1 havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 293#L300-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#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~3#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 299#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret22#1;havoc __utac_acc__Specification3_spec__1_#t~ret22#1; 291#L445 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 232#L451-1 havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#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; 233#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 227#L480-2 [2024-10-15 00:53:51,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:51,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-15 00:53:51,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:51,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770150267] [2024-10-15 00:53:51,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:51,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:51,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2086260107, now seen corresponding path program 1 times [2024-10-15 00:53:51,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:51,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009271276] [2024-10-15 00:53:51,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:51,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:51,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:51,572 INFO L85 PathProgramCache]: Analyzing trace with hash 215883313, now seen corresponding path program 1 times [2024-10-15 00:53:51,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:51,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538317486] [2024-10-15 00:53:51,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:51,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:53:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:53:51,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:53:51,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538317486] [2024-10-15 00:53:51,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538317486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:53:51,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:53:51,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:53:51,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732363051] [2024-10-15 00:53:51,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:53:51,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:53:51,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:53:51,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:53:51,733 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-10-15 00:53:51,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:53:51,848 INFO L93 Difference]: Finished difference Result 171 states and 217 transitions. [2024-10-15 00:53:51,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 217 transitions. [2024-10-15 00:53:51,850 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2024-10-15 00:53:51,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 171 states and 217 transitions. [2024-10-15 00:53:51,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2024-10-15 00:53:51,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2024-10-15 00:53:51,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 217 transitions. [2024-10-15 00:53:51,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:53:51,858 INFO L218 hiAutomatonCegarLoop]: Abstraction has 171 states and 217 transitions. [2024-10-15 00:53:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 217 transitions. [2024-10-15 00:53:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-10-15 00:53:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 171 states have (on average 1.2690058479532165) internal successors, (217), 170 states have internal predecessors, (217), 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) [2024-10-15 00:53:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 217 transitions. [2024-10-15 00:53:51,877 INFO L240 hiAutomatonCegarLoop]: Abstraction has 171 states and 217 transitions. [2024-10-15 00:53:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:53:51,878 INFO L425 stractBuchiCegarLoop]: Abstraction has 171 states and 217 transitions. [2024-10-15 00:53:51,879 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:53:51,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 217 transitions. [2024-10-15 00:53:51,882 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2024-10-15 00:53:51,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:51,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:51,883 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:51,883 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] [2024-10-15 00:53:51,883 INFO L745 eck$LassoCheckResult]: Stem: 556#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 557#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 543#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 544#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 537#valid_product_returnLabel#1 main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 536#L268 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 500#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 501#L480-2 [2024-10-15 00:53:51,884 INFO L747 eck$LassoCheckResult]: Loop: 501#L480-2 assume !false; 538#L481 assume test_~splverifierCounter~0#1 < 4; 539#L482 havoc test_#t~nondet25#1;test_~tmp~4#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 535#L490 assume !(0 != test_~tmp~4#1); 524#L490-2 havoc test_#t~nondet26#1;test_~tmp___0~1#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 525#L500 assume !(0 != test_~tmp___0~1#1); 577#L500-2 havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 526#L510 assume 0 != test_~tmp___2~0#1; 528#L516-2 assume { :begin_inline_timeShift } true; 663#L293 assume !(0 != ~pumpRunning~0); 661#L293-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 591#L325 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 581#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 565#L325-1 havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 568#L300-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#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~3#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 574#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret22#1;havoc __utac_acc__Specification3_spec__1_#t~ret22#1; 566#L445 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 567#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret23#1;havoc __utac_acc__Specification3_spec__1_#t~ret23#1; 587#L451 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 506#L451-1 havoc __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_#t~ret24#1, __utac_acc__Specification3_spec__1_~tmp~3#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; 507#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 501#L480-2 [2024-10-15 00:53:51,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:51,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-10-15 00:53:51,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:51,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780337595] [2024-10-15 00:53:51,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:51,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:51,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:51,914 INFO L85 PathProgramCache]: Analyzing trace with hash 854955978, now seen corresponding path program 1 times [2024-10-15 00:53:51,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:51,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183109623] [2024-10-15 00:53:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:51,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:51,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:51,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1306625158, now seen corresponding path program 1 times [2024-10-15 00:53:51,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:51,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809323441] [2024-10-15 00:53:51,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:51,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:51,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:52,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:52,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:53:52 BoogieIcfgContainer [2024-10-15 00:53:52,964 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:53:52,965 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:53:52,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:53:52,965 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:53:52,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:50" (3/4) ... [2024-10-15 00:53:52,967 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-15 00:53:53,018 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-15 00:53:53,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:53:53,022 INFO L158 Benchmark]: Toolchain (without parser) took 3514.34ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 90.1MB in the beginning and 64.7MB in the end (delta: 25.3MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2024-10-15 00:53:53,022 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:53:53,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.52ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 70.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 00:53:53,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.83ms. Allocated memory is still 146.8MB. Free memory was 70.2MB in the beginning and 116.4MB in the end (delta: -46.2MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-10-15 00:53:53,023 INFO L158 Benchmark]: Boogie Preprocessor took 66.03ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 116.4MB in the beginning and 166.1MB in the end (delta: -49.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-10-15 00:53:53,023 INFO L158 Benchmark]: RCFGBuilder took 540.65ms. Allocated memory is still 197.1MB. Free memory was 166.1MB in the beginning and 146.4MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 00:53:53,024 INFO L158 Benchmark]: BuchiAutomizer took 2279.70ms. Allocated memory is still 197.1MB. Free memory was 146.4MB in the beginning and 66.8MB in the end (delta: 79.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-10-15 00:53:53,025 INFO L158 Benchmark]: Witness Printer took 56.63ms. Allocated memory is still 197.1MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:53:53,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.52ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 70.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.83ms. Allocated memory is still 146.8MB. Free memory was 70.2MB in the beginning and 116.4MB in the end (delta: -46.2MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.03ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 116.4MB in the beginning and 166.1MB in the end (delta: -49.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.65ms. Allocated memory is still 197.1MB. Free memory was 166.1MB in the beginning and 146.4MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2279.70ms. Allocated memory is still 197.1MB. Free memory was 146.4MB in the beginning and 66.8MB in the end (delta: 79.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Witness Printer took 56.63ms. Allocated memory is still 197.1MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [173] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [182] - GenericResultAtLocation [Line: 281]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [281] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [435] - GenericResultAtLocation [Line: 469]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [469] - GenericResultAtLocation [Line: 534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [534] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 171 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 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, 211 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 211 mSDsluCounter, 747 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 527 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 220 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 480]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L285] int pumpRunning = 0; [L286] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] int retValue_acc ; [L260] int tmp ; [L264] FCALL select_helpers() [L265] FCALL select_features() [L266] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] RET, EXPR valid_product() [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) [L270] FCALL setup() [L271] CALL runTest() [L253] CALL test() [L471] int splverifierCounter ; [L472] int tmp ; [L473] int tmp___0 ; [L474] int tmp___1 ; [L475] int tmp___2 ; [L478] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L480] COND TRUE 1 [L482] COND TRUE splverifierCounter < 4 [L488] tmp = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp)) [L498] tmp___0 = __VERIFIER_nondet_int() [L500] COND FALSE !(\read(tmp___0)) [L508] tmp___2 = __VERIFIER_nondet_int() [L510] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L293] COND FALSE !(\read(pumpRunning)) [L300] COND TRUE \read(systemActive) [L302] CALL processEnvironment() [L322] int tmp ; [L325] COND FALSE !(\read(pumpRunning)) [L340] FCALL processEnvironment__wrappee__methaneQuery() [L302] RET processEnvironment() [L308] CALL __utac_acc__Specification3_spec__1() [L437] int tmp ; [L438] int tmp___0 ; [L439] int tmp___1 ; [L443] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L443] RET, EXPR isMethaneLevelCritical() [L443] tmp = isMethaneLevelCritical() [L445] COND FALSE !(\read(tmp)) [L449] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L449] RET, EXPR getWaterLevel() [L449] tmp___0 = getWaterLevel() [L451] COND FALSE !(tmp___0 == 2) [L308] RET __utac_acc__Specification3_spec__1() [L523] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 480]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L285] int pumpRunning = 0; [L286] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] int retValue_acc ; [L260] int tmp ; [L264] FCALL select_helpers() [L265] FCALL select_features() [L266] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] RET, EXPR valid_product() [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) [L270] FCALL setup() [L271] CALL runTest() [L253] CALL test() [L471] int splverifierCounter ; [L472] int tmp ; [L473] int tmp___0 ; [L474] int tmp___1 ; [L475] int tmp___2 ; [L478] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L480] COND TRUE 1 [L482] COND TRUE splverifierCounter < 4 [L488] tmp = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp)) [L498] tmp___0 = __VERIFIER_nondet_int() [L500] COND FALSE !(\read(tmp___0)) [L508] tmp___2 = __VERIFIER_nondet_int() [L510] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L293] COND FALSE !(\read(pumpRunning)) [L300] COND TRUE \read(systemActive) [L302] CALL processEnvironment() [L322] int tmp ; [L325] COND FALSE !(\read(pumpRunning)) [L340] FCALL processEnvironment__wrappee__methaneQuery() [L302] RET processEnvironment() [L308] CALL __utac_acc__Specification3_spec__1() [L437] int tmp ; [L438] int tmp___0 ; [L439] int tmp___1 ; [L443] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L443] RET, EXPR isMethaneLevelCritical() [L443] tmp = isMethaneLevelCritical() [L445] COND FALSE !(\read(tmp)) [L449] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L449] RET, EXPR getWaterLevel() [L449] tmp___0 = getWaterLevel() [L451] COND FALSE !(tmp___0 == 2) [L308] RET __utac_acc__Specification3_spec__1() [L523] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 00:53:53,051 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)