./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product12.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 263a891a69e751217ac30b9b114998fc0120cc8bcbbdd67ab0f365106c54376d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:39:31,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:39:31,433 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:39:31,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:39:31,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:39:31,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:39:31,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:39:31,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:39:31,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:39:31,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:39:31,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:39:31,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:39:31,467 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:39:31,468 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:39:31,468 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:39:31,468 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:39:31,469 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:39:31,469 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:39:31,469 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:39:31,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:39:31,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:39:31,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:39:31,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:39:31,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:39:31,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:39:31,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:39:31,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:39:31,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:39:31,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:39:31,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:39:31,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:39:31,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:39:31,474 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:39:31,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:39:31,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:39:31,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:39:31,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:39:31,475 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:39:31,475 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:39:31,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 263a891a69e751217ac30b9b114998fc0120cc8bcbbdd67ab0f365106c54376d [2024-11-12 21:39:31,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:39:31,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:39:31,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:39:31,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:39:31,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:39:31,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2024-11-12 21:39:32,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:39:33,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:39:33,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2024-11-12 21:39:33,124 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55564452b/5bc00f60a5a645869bd871615ecd9730/FLAG7989f9b63 [2024-11-12 21:39:33,139 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55564452b/5bc00f60a5a645869bd871615ecd9730 [2024-11-12 21:39:33,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:39:33,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:39:33,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:33,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:39:33,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:39:33,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce2fa40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33, skipping insertion in model container [2024-11-12 21:39:33,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:39:33,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:33,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:39:33,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2024-11-12 21:39:33,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] [2024-11-12 21:39:33,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [162] [2024-11-12 21:39:33,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [315] [2024-11-12 21:39:33,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [395] [2024-11-12 21:39:33,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [433] [2024-11-12 21:39:33,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [799] [2024-11-12 21:39:33,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] [2024-11-12 21:39:33,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:33,497 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:39:33,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33 WrapperNode [2024-11-12 21:39:33,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:33,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:33,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:39:33,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:39:33,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,533 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 48, calls inlined = 41, statements flattened = 271 [2024-11-12 21:39:33,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:33,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:39:33,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:39:33,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:39:33,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,555 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 21:39:33,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:39:33,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:39:33,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:39:33,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:39:33,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (1/1) ... [2024-11-12 21:39:33,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:39:33,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:33,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:39:33,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 21:39:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:39:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:39:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:39:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:39:33,721 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:39:33,723 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:39:33,940 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-12 21:39:33,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:39:33,957 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:39:33,957 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:39:33,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:33 BoogieIcfgContainer [2024-11-12 21:39:33,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:39:33,958 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:39:33,958 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:39:33,961 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:39:33,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:33,964 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:39:33" (1/3) ... [2024-11-12 21:39:33,965 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ff1b35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:33, skipping insertion in model container [2024-11-12 21:39:33,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:33,965 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:33" (2/3) ... [2024-11-12 21:39:33,965 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ff1b35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:33, skipping insertion in model container [2024-11-12 21:39:33,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:33,965 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:33" (3/3) ... [2024-11-12 21:39:33,966 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product12.cil.c [2024-11-12 21:39:34,015 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:39:34,015 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:39:34,015 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:39:34,016 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:39:34,016 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:39:34,016 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:39:34,016 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:39:34,016 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:39:34,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:34,033 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2024-11-12 21:39:34,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:34,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:34,038 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:34,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:34,039 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:39:34,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:34,043 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2024-11-12 21:39:34,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:34,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:34,044 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:34,044 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:34,048 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:34,048 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:34,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:34,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-12 21:39:34,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:34,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845045501] [2024-11-12 21:39:34,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:34,146 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:34,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:34,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash -516603117, now seen corresponding path program 1 times [2024-11-12 21:39:34,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:34,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533784396] [2024-11-12 21:39:34,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:34,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:34,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533784396] [2024-11-12 21:39:34,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533784396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:34,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235483067] [2024-11-12 21:39:34,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:34,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:34,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:34,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:39:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:34,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:39:34,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:34,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:34,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235483067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:34,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:34,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:39:34,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610488115] [2024-11-12 21:39:34,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:34,349 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:39:34,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:34,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:39:34,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:39:34,379 INFO L87 Difference]: Start difference. First operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:34,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:34,410 INFO L93 Difference]: Finished difference Result 157 states and 201 transitions. [2024-11-12 21:39:34,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 201 transitions. [2024-11-12 21:39:34,415 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2024-11-12 21:39:34,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 137 states and 180 transitions. [2024-11-12 21:39:34,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2024-11-12 21:39:34,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2024-11-12 21:39:34,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 180 transitions. [2024-11-12 21:39:34,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:34,421 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 180 transitions. [2024-11-12 21:39:34,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 180 transitions. [2024-11-12 21:39:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2024-11-12 21:39:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 1.3134328358208955) internal successors, (176), 133 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 176 transitions. [2024-11-12 21:39:34,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 134 states and 176 transitions. [2024-11-12 21:39:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:39:34,454 INFO L426 stractBuchiCegarLoop]: Abstraction has 134 states and 176 transitions. [2024-11-12 21:39:34,454 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:39:34,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 176 transitions. [2024-11-12 21:39:34,456 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 97 [2024-11-12 21:39:34,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:34,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:34,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:34,457 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:34,458 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:34,458 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~1#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:34,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:34,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-12 21:39:34,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:34,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850789405] [2024-11-12 21:39:34,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:34,469 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:34,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:34,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:34,481 INFO L85 PathProgramCache]: Analyzing trace with hash -341466731, now seen corresponding path program 1 times [2024-11-12 21:39:34,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:34,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863511507] [2024-11-12 21:39:34,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:34,491 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:34,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:34,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:34,497 INFO L85 PathProgramCache]: Analyzing trace with hash 841174617, now seen corresponding path program 1 times [2024-11-12 21:39:34,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:34,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230720454] [2024-11-12 21:39:34,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:34,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:34,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230720454] [2024-11-12 21:39:34,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230720454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:34,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428824567] [2024-11-12 21:39:34,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:34,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:34,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:34,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:39:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:34,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 21:39:34,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:34,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:34,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428824567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:34,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:34,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-12 21:39:34,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121662258] [2024-11-12 21:39:34,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:34,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:34,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:39:34,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:39:34,882 INFO L87 Difference]: Start difference. First operand 134 states and 176 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:34,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:34,953 INFO L93 Difference]: Finished difference Result 261 states and 337 transitions. [2024-11-12 21:39:34,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 337 transitions. [2024-11-12 21:39:34,955 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 194 [2024-11-12 21:39:34,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 261 states and 337 transitions. [2024-11-12 21:39:34,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2024-11-12 21:39:34,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2024-11-12 21:39:34,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 337 transitions. [2024-11-12 21:39:34,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:34,961 INFO L218 hiAutomatonCegarLoop]: Abstraction has 261 states and 337 transitions. [2024-11-12 21:39:34,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 337 transitions. [2024-11-12 21:39:34,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2024-11-12 21:39:34,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 261 states have (on average 1.2911877394636015) internal successors, (337), 260 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:39:34,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 337 transitions. [2024-11-12 21:39:34,972 INFO L240 hiAutomatonCegarLoop]: Abstraction has 261 states and 337 transitions. [2024-11-12 21:39:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:39:34,973 INFO L426 stractBuchiCegarLoop]: Abstraction has 261 states and 337 transitions. [2024-11-12 21:39:34,973 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:39:34,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 261 states and 337 transitions. [2024-11-12 21:39:34,975 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 194 [2024-11-12 21:39:34,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:34,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:34,975 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:34,975 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] [2024-11-12 21:39:34,975 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:34,975 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~1#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:34,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:34,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-12 21:39:34,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:34,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019163119] [2024-11-12 21:39:34,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:34,986 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:34,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:34,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:34,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1730822710, now seen corresponding path program 1 times [2024-11-12 21:39:34,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:34,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209253163] [2024-11-12 21:39:34,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:34,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:35,008 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:35,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:35,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:35,015 INFO L85 PathProgramCache]: Analyzing trace with hash 916146574, now seen corresponding path program 1 times [2024-11-12 21:39:35,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:35,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643005125] [2024-11-12 21:39:35,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:35,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:35,027 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:35,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:35,655 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:35,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:39:35 BoogieIcfgContainer [2024-11-12 21:39:35,697 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:39:35,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:39:35,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:39:35,699 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:39:35,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:33" (3/4) ... [2024-11-12 21:39:35,700 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:39:35,742 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:39:35,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:39:35,743 INFO L158 Benchmark]: Toolchain (without parser) took 2600.15ms. Allocated memory is still 174.1MB. Free memory was 134.1MB in the beginning and 104.6MB in the end (delta: 29.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-12 21:39:35,743 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 111.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:39:35,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.01ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 111.8MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:39:35,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.39ms. Allocated memory is still 174.1MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:35,744 INFO L158 Benchmark]: Boogie Preprocessor took 33.32ms. Allocated memory is still 174.1MB. Free memory was 109.7MB in the beginning and 106.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:39:35,744 INFO L158 Benchmark]: RCFGBuilder took 389.45ms. Allocated memory is still 174.1MB. Free memory was 106.9MB in the beginning and 133.2MB in the end (delta: -26.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 21:39:35,745 INFO L158 Benchmark]: BuchiAutomizer took 1738.39ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 106.7MB in the end (delta: 26.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-12 21:39:35,745 INFO L158 Benchmark]: Witness Printer took 44.32ms. Allocated memory is still 174.1MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:35,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 111.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.01ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 111.8MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.39ms. Allocated memory is still 174.1MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.32ms. Allocated memory is still 174.1MB. Free memory was 109.7MB in the beginning and 106.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 389.45ms. Allocated memory is still 174.1MB. Free memory was 106.9MB in the beginning and 133.2MB in the end (delta: -26.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1738.39ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 106.7MB in the end (delta: 26.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Witness Printer took 44.32ms. Allocated memory is still 174.1MB. Free memory was 106.7MB in the beginning and 104.6MB 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,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [162] - GenericResultAtLocation [Line: 315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [315] - GenericResultAtLocation [Line: 395]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [395] - GenericResultAtLocation [Line: 433]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [433] - GenericResultAtLocation [Line: 799]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [799] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] * 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 5 locations. The remainder module has 261 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 544 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 349 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 195 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 104]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L316] int waterLevel = 1; [L317] int methaneLevelCritical = 0; [L603] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L800] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L873] int retValue_acc ; [L874] int tmp ; [L878] FCALL select_helpers() [L879] FCALL select_features() [L880] CALL, EXPR valid_product() [L425] int retValue_acc ; [L428] retValue_acc = 1 [L429] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] RET, EXPR valid_product() [L880] tmp = valid_product() [L882] COND TRUE \read(tmp) [L884] FCALL setup() [L885] CALL runTest() [L867] CALL test() [L95] int splverifierCounter ; [L96] int tmp ; [L97] int tmp___0 ; [L98] int tmp___1 ; [L99] int tmp___2 ; [L102] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L104] COND TRUE 1 [L106] COND TRUE splverifierCounter < 4 [L112] tmp = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp)) [L122] tmp___0 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___0)) [L132] tmp___2 = __VERIFIER_nondet_int() [L134] COND FALSE !(\read(tmp___2)) [L140] tmp___1 = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp___1)) [L151] CALL timeShift() [L175] COND FALSE !(\read(pumpRunning)) [L182] COND TRUE \read(systemActive) [L184] FCALL processEnvironment() [L190] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L355] int retValue_acc ; [L358] retValue_acc = methaneLevelCritical [L359] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L387] int retValue_acc ; [L390] retValue_acc = waterLevel [L391] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L190] RET __utac_acc__Specification3_spec__1() [L151] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 104]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L316] int waterLevel = 1; [L317] int methaneLevelCritical = 0; [L603] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L800] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L873] int retValue_acc ; [L874] int tmp ; [L878] FCALL select_helpers() [L879] FCALL select_features() [L880] CALL, EXPR valid_product() [L425] int retValue_acc ; [L428] retValue_acc = 1 [L429] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] RET, EXPR valid_product() [L880] tmp = valid_product() [L882] COND TRUE \read(tmp) [L884] FCALL setup() [L885] CALL runTest() [L867] CALL test() [L95] int splverifierCounter ; [L96] int tmp ; [L97] int tmp___0 ; [L98] int tmp___1 ; [L99] int tmp___2 ; [L102] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L104] COND TRUE 1 [L106] COND TRUE splverifierCounter < 4 [L112] tmp = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp)) [L122] tmp___0 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___0)) [L132] tmp___2 = __VERIFIER_nondet_int() [L134] COND FALSE !(\read(tmp___2)) [L140] tmp___1 = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp___1)) [L151] CALL timeShift() [L175] COND FALSE !(\read(pumpRunning)) [L182] COND TRUE \read(systemActive) [L184] FCALL processEnvironment() [L190] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L355] int retValue_acc ; [L358] retValue_acc = methaneLevelCritical [L359] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L387] int retValue_acc ; [L390] retValue_acc = waterLevel [L391] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L190] RET __utac_acc__Specification3_spec__1() [L151] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:39:35,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:39:35,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 21:39:36,169 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)