./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_spec2_product09.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_spec2_product09.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 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:53:01,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:53:01,542 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:53:01,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:53:01,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:53:01,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:53:01,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:53:01,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:53:01,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:53:01,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:53:01,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:53:01,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:53:01,585 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:53:01,585 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:53:01,585 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:53:01,586 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:53:01,586 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:53:01,586 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:53:01,587 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:53:01,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:53:01,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:53:01,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:53:01,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:53:01,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:53:01,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:53:01,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:53:01,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:53:01,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:53:01,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:53:01,593 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:53:01,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:53:01,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:53:01,594 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:53:01,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:53:01,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:53:01,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:53:01,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:53:01,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:53:01,598 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:53:01,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d [2024-10-15 00:53:01,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:53:01,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:53:01,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:53:01,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:53:01,877 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:53:01,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2024-10-15 00:53:03,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:53:03,526 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:53:03,526 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2024-10-15 00:53:03,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbd0cd6c/e707583404f341ac83816151a80d6519/FLAG62f2cb525 [2024-10-15 00:53:03,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbd0cd6c/e707583404f341ac83816151a80d6519 [2024-10-15 00:53:03,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:53:03,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:53:03,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:53:03,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:53:03,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:53:03,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:53:03" (1/1) ... [2024-10-15 00:53:03,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f56b400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:03, skipping insertion in model container [2024-10-15 00:53:03,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:53:03" (1/1) ... [2024-10-15 00:53:03,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:53:03,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:53:03,902 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:53:03,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-10-15 00:53:03,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-10-15 00:53:03,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] [2024-10-15 00:53:03,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [493] [2024-10-15 00:53:03,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [626] [2024-10-15 00:53:03,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [665] [2024-10-15 00:53:03,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [765] [2024-10-15 00:53:03,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [846] [2024-10-15 00:53:03,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:53:04,025 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:53:04,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04 WrapperNode [2024-10-15 00:53:04,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:53:04,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:53:04,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:53:04,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:53:04,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,070 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 36, statements flattened = 244 [2024-10-15 00:53:04,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:53:04,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:53:04,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:53:04,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:53:04,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,107 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 00:53:04,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:53:04,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:53:04,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:53:04,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:53:04,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (1/1) ... [2024-10-15 00:53:04,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:53:04,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:53:04,166 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 00:53:04,172 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 00:53:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:53:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:53:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:53:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:53:04,298 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:53:04,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:53:04,574 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-10-15 00:53:04,574 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:53:04,592 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:53:04,592 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 00:53:04,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:04 BoogieIcfgContainer [2024-10-15 00:53:04,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:53:04,594 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:53:04,594 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:53:04,598 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:53:04,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:04,599 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:53:03" (1/3) ... [2024-10-15 00:53:04,600 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d04263c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:53:04, skipping insertion in model container [2024-10-15 00:53:04,600 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:04,600 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:04" (2/3) ... [2024-10-15 00:53:04,601 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d04263c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:53:04, skipping insertion in model container [2024-10-15 00:53:04,601 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:04,601 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:04" (3/3) ... [2024-10-15 00:53:04,603 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2024-10-15 00:53:04,665 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:53:04,665 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:53:04,666 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:53:04,666 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:53:04,666 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:53:04,666 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:53:04,666 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:53:04,666 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:53:04,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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 00:53:04,686 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2024-10-15 00:53:04,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:04,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:04,693 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:04,693 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 00:53:04,693 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:53:04,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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 00:53:04,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2024-10-15 00:53:04,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:04,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:04,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:04,697 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 00:53:04,702 INFO L745 eck$LassoCheckResult]: Stem: 44#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 36#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 53#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 30#valid_product_returnLabel#1true main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 9#L752true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 6#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 51#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 69#L439-2true [2024-10-15 00:53:04,702 INFO L747 eck$LassoCheckResult]: Loop: 69#L439-2true assume !false; 47#L440true assume test_~splverifierCounter~0#1 < 4; 27#L441true havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 3#L449true assume !(0 != test_~tmp~3#1); 24#L449-2true havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 16#L459true assume !(0 != test_~tmp___0~0#1); 28#L459-2true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 19#L469true assume 0 != test_~tmp___2~0#1; 42#L475-2true assume { :begin_inline_timeShift } true; 60#L509true assume !(0 != ~pumpRunning~0); 20#L509-2true assume !(0 != ~systemActive~0); 55#L516-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 67#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret41#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret41#1;havoc __utac_acc__Specification2_spec__2_#t~ret41#1; 52#L644true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 64#L644-1true havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 76#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 69#L439-2true [2024-10-15 00:53:04,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:04,706 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-10-15 00:53:04,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:04,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832041879] [2024-10-15 00:53:04,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:04,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:04,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:04,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:04,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:04,829 INFO L85 PathProgramCache]: Analyzing trace with hash 980402572, now seen corresponding path program 1 times [2024-10-15 00:53:04,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:04,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611725883] [2024-10-15 00:53:04,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:04,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:04,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:04,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:04,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:04,846 INFO L85 PathProgramCache]: Analyzing trace with hash 818115189, now seen corresponding path program 1 times [2024-10-15 00:53:04,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:04,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832185137] [2024-10-15 00:53:04,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:04,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:53:05,139 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 00:53:05,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:53:05,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832185137] [2024-10-15 00:53:05,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832185137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:53:05,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:53:05,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:53:05,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013255935] [2024-10-15 00:53:05,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:53:05,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:53:05,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 00:53:05,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-15 00:53:05,306 INFO L87 Difference]: Start difference. First operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 00:53:05,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:53:05,393 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2024-10-15 00:53:05,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 95 transitions. [2024-10-15 00:53:05,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2024-10-15 00:53:05,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 66 states and 85 transitions. [2024-10-15 00:53:05,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2024-10-15 00:53:05,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2024-10-15 00:53:05,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 85 transitions. [2024-10-15 00:53:05,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:53:05,407 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-10-15 00:53:05,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 85 transitions. [2024-10-15 00:53:05,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-15 00:53:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 65 states have internal predecessors, (85), 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 00:53:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-10-15 00:53:05,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-10-15 00:53:05,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:53:05,440 INFO L425 stractBuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-10-15 00:53:05,440 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:53:05,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 85 transitions. [2024-10-15 00:53:05,442 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2024-10-15 00:53:05,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:05,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:05,443 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:05,443 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:05,443 INFO L745 eck$LassoCheckResult]: Stem: 219#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 220#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 212#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 213#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 210#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 184#L752 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 179#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 180#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 227#L439-2 [2024-10-15 00:53:05,444 INFO L747 eck$LassoCheckResult]: Loop: 227#L439-2 assume !false; 222#L440 assume test_~splverifierCounter~0#1 < 4; 208#L441 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 176#L449 assume !(0 != test_~tmp~3#1); 178#L449-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 194#L459 assume !(0 != test_~tmp___0~0#1); 196#L459-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 198#L469 assume 0 != test_~tmp___2~0#1; 188#L475-2 assume { :begin_inline_timeShift } true; 217#L509 assume !(0 != ~pumpRunning~0); 199#L509-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 200#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 209#L516-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 231#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret41#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret41#1;havoc __utac_acc__Specification2_spec__2_#t~ret41#1; 228#L644 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 230#L644-1 havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 240#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 227#L439-2 [2024-10-15 00:53:05,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:05,444 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-10-15 00:53:05,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:05,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248157032] [2024-10-15 00:53:05,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:05,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:05,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:05,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:05,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:05,476 INFO L85 PathProgramCache]: Analyzing trace with hash 955549995, now seen corresponding path program 1 times [2024-10-15 00:53:05,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:05,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729569787] [2024-10-15 00:53:05,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:05,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:05,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:05,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:05,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:05,494 INFO L85 PathProgramCache]: Analyzing trace with hash 219608418, now seen corresponding path program 1 times [2024-10-15 00:53:05,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:05,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752419233] [2024-10-15 00:53:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:05,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:05,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:05,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:53:06 BoogieIcfgContainer [2024-10-15 00:53:06,494 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:53:06,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:53:06,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:53:06,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:53:06,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:04" (3/4) ... [2024-10-15 00:53:06,497 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-15 00:53:06,554 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-15 00:53:06,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:53:06,555 INFO L158 Benchmark]: Toolchain (without parser) took 2992.95ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 92.7MB in the beginning and 113.4MB in the end (delta: -20.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-10-15 00:53:06,555 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 85.4MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:53:06,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.93ms. Allocated memory is still 163.6MB. Free memory was 92.6MB in the beginning and 120.0MB in the end (delta: -27.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:53:06,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.22ms. Allocated memory is still 163.6MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:53:06,559 INFO L158 Benchmark]: Boogie Preprocessor took 54.55ms. Allocated memory is still 163.6MB. Free memory was 117.9MB in the beginning and 115.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:53:06,559 INFO L158 Benchmark]: RCFGBuilder took 466.79ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 98.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 00:53:06,560 INFO L158 Benchmark]: BuchiAutomizer took 1899.75ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 98.5MB in the beginning and 116.5MB in the end (delta: -17.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-10-15 00:53:06,560 INFO L158 Benchmark]: Witness Printer took 59.74ms. Allocated memory is still 201.3MB. Free memory was 116.5MB in the beginning and 113.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:53:06,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 85.4MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.93ms. Allocated memory is still 163.6MB. Free memory was 92.6MB in the beginning and 120.0MB in the end (delta: -27.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.22ms. Allocated memory is still 163.6MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.55ms. Allocated memory is still 163.6MB. Free memory was 117.9MB in the beginning and 115.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.79ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 98.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1899.75ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 98.5MB in the beginning and 116.5MB in the end (delta: -17.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 59.74ms. Allocated memory is still 201.3MB. Free memory was 116.5MB in the beginning and 113.4MB in the end (delta: 3.0MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] - GenericResultAtLocation [Line: 493]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [493] - GenericResultAtLocation [Line: 626]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [626] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [665] - GenericResultAtLocation [Line: 765]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [765] - GenericResultAtLocation [Line: 846]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [846] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 66 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 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, 173 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 90 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 439]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L627] int methAndRunningLastTime ; [L666] int cleanupTimeShifts = 4; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L743] int retValue_acc ; [L744] int tmp ; [L748] FCALL select_helpers() [L749] FCALL select_features() [L750] CALL, EXPR valid_product() [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L750] RET, EXPR valid_product() [L750] tmp = valid_product() [L752] COND TRUE \read(tmp) [L754] FCALL setup() [L755] CALL runTest() [L733] CALL __utac_acc__Specification2_spec__1() [L632] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L733] RET __utac_acc__Specification2_spec__1() [L734] CALL test() [L430] int splverifierCounter ; [L431] int tmp ; [L432] int tmp___0 ; [L433] int tmp___1 ; [L434] int tmp___2 ; [L437] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L439] COND TRUE 1 [L441] COND TRUE splverifierCounter < 4 [L447] tmp = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp)) [L457] tmp___0 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___0)) [L467] tmp___2 = __VERIFIER_nondet_int() [L469] COND TRUE \read(tmp___2) [L482] CALL timeShift() [L509] COND FALSE !(\read(pumpRunning)) [L516] COND TRUE \read(systemActive) [L518] FCALL processEnvironment() [L524] CALL __utac_acc__Specification2_spec__2() [L637] int tmp ; [L638] int tmp___0 ; [L642] CALL, EXPR isMethaneLevelCritical() [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] return (retValue_acc); [L642] RET, EXPR isMethaneLevelCritical() [L642] tmp = isMethaneLevelCritical() [L644] COND FALSE !(\read(tmp)) [L660] methAndRunningLastTime = 0 [L524] RET __utac_acc__Specification2_spec__2() [L482] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 439]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L627] int methAndRunningLastTime ; [L666] int cleanupTimeShifts = 4; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L743] int retValue_acc ; [L744] int tmp ; [L748] FCALL select_helpers() [L749] FCALL select_features() [L750] CALL, EXPR valid_product() [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L750] RET, EXPR valid_product() [L750] tmp = valid_product() [L752] COND TRUE \read(tmp) [L754] FCALL setup() [L755] CALL runTest() [L733] CALL __utac_acc__Specification2_spec__1() [L632] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L733] RET __utac_acc__Specification2_spec__1() [L734] CALL test() [L430] int splverifierCounter ; [L431] int tmp ; [L432] int tmp___0 ; [L433] int tmp___1 ; [L434] int tmp___2 ; [L437] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L439] COND TRUE 1 [L441] COND TRUE splverifierCounter < 4 [L447] tmp = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp)) [L457] tmp___0 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___0)) [L467] tmp___2 = __VERIFIER_nondet_int() [L469] COND TRUE \read(tmp___2) [L482] CALL timeShift() [L509] COND FALSE !(\read(pumpRunning)) [L516] COND TRUE \read(systemActive) [L518] FCALL processEnvironment() [L524] CALL __utac_acc__Specification2_spec__2() [L637] int tmp ; [L638] int tmp___0 ; [L642] CALL, EXPR isMethaneLevelCritical() [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] return (retValue_acc); [L642] RET, EXPR isMethaneLevelCritical() [L642] tmp = isMethaneLevelCritical() [L644] COND FALSE !(\read(tmp)) [L660] methAndRunningLastTime = 0 [L524] RET __utac_acc__Specification2_spec__2() [L482] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 00:53:06,591 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)