./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_spec1_product15.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_spec1_product15.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 b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:52:17,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:52:17,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:52:17,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:52:17,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:52:17,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:52:17,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:52:17,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:52:17,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:52:17,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:52:17,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:52:17,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:52:17,583 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:52:17,583 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:52:17,585 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:52:17,585 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:52:17,586 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:52:17,586 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:52:17,586 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:52:17,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:52:17,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:52:17,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:52:17,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:52:17,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:52:17,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:52:17,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:52:17,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:52:17,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:52:17,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:52:17,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:52:17,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:52:17,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:52:17,592 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:52:17,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:52:17,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:52:17,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:52:17,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:52:17,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:52:17,593 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:52:17,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2024-10-15 00:52:17,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:52:17,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:52:17,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:52:17,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:52:17,931 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:52:17,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2024-10-15 00:52:19,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:52:19,539 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:52:19,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2024-10-15 00:52:19,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6be438f/41a75cb20d114040aa18b6f23f4cd6ab/FLAG188d23d5b [2024-10-15 00:52:19,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6be438f/41a75cb20d114040aa18b6f23f4cd6ab [2024-10-15 00:52:19,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:52:19,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:52:19,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:52:19,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:52:19,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:52:19,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:19,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577f7232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19, skipping insertion in model container [2024-10-15 00:52:19,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:19,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:52:19,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:52:19,862 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:52:19,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-10-15 00:52:19,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2024-10-15 00:52:19,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [237] [2024-10-15 00:52:19,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [272] [2024-10-15 00:52:19,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] [2024-10-15 00:52:19,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [309] [2024-10-15 00:52:19,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [477] [2024-10-15 00:52:19,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] [2024-10-15 00:52:19,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:52:19,952 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:52:19,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19 WrapperNode [2024-10-15 00:52:19,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:52:19,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:52:19,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:52:19,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:52:19,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:19,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,001 INFO L138 Inliner]: procedures = 52, calls = 97, calls flagged for inlining = 50, calls inlined = 52, statements flattened = 316 [2024-10-15 00:52:20,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:52:20,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:52:20,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:52:20,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:52:20,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,042 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 00:52:20,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:52:20,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:52:20,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:52:20,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:52:20,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (1/1) ... [2024-10-15 00:52:20,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:52:20,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:52:20,101 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 00:52:20,104 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 00:52:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:52:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:52:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:52:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:52:20,201 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:52:20,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:52:20,400 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-10-15 00:52:20,401 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:52:20,412 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:52:20,413 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 00:52:20,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:52:20 BoogieIcfgContainer [2024-10-15 00:52:20,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:52:20,414 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:52:20,414 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:52:20,417 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:52:20,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:52:20,418 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:52:19" (1/3) ... [2024-10-15 00:52:20,419 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5945a8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:52:20, skipping insertion in model container [2024-10-15 00:52:20,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:52:20,419 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:19" (2/3) ... [2024-10-15 00:52:20,419 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5945a8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:52:20, skipping insertion in model container [2024-10-15 00:52:20,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:52:20,420 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:52:20" (3/3) ... [2024-10-15 00:52:20,421 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2024-10-15 00:52:20,471 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:52:20,471 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:52:20,471 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:52:20,471 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:52:20,472 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:52:20,472 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:52:20,472 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:52:20,472 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:52:20,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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 00:52:20,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-15 00:52:20,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:52:20,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:52:20,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:20,500 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 00:52:20,500 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:52:20,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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 00:52:20,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-15 00:52:20,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:52:20,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:52:20,505 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:20,506 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 00:52:20,510 INFO L745 eck$LassoCheckResult]: Stem: 22#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 26#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 17#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 77#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 41#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 61#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 25#L488-2true [2024-10-15 00:52:20,511 INFO L747 eck$LassoCheckResult]: Loop: 25#L488-2true assume !false; 90#L489true assume test_~splverifierCounter~0#1 < 4; 15#L490true havoc test_#t~nondet24#1;test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 74#L498true assume !(0 != test_~tmp~4#1); 49#L498-2true havoc test_#t~nondet25#1;test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 23#L508true assume !(0 != test_~tmp___0~1#1); 72#L508-2true havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 11#L518true assume 0 != test_~tmp___2~0#1; 84#L524-2true assume { :begin_inline_timeShift } true; 69#L320true assume !(0 != ~pumpRunning~0); 67#L320-2true assume !(0 != ~systemActive~0); 89#L327-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 59#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; 81#L283true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 63#L283-1true havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 50#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 25#L488-2true [2024-10-15 00:52:20,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:20,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-15 00:52:20,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:20,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367652040] [2024-10-15 00:52:20,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:20,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:20,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:20,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:20,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:20,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1841867258, now seen corresponding path program 1 times [2024-10-15 00:52:20,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:20,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100268701] [2024-10-15 00:52:20,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:20,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:20,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:20,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:20,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:20,675 INFO L85 PathProgramCache]: Analyzing trace with hash -486448182, now seen corresponding path program 1 times [2024-10-15 00:52:20,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:20,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085956090] [2024-10-15 00:52:20,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:20,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:52:20,856 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 00:52:20,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:52:20,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085956090] [2024-10-15 00:52:20,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085956090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:52:20,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:52:20,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:52:20,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395166190] [2024-10-15 00:52:20,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:52:20,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:52:20,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 00:52:20,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-15 00:52:20,990 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:52:21,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:52:21,089 INFO L93 Difference]: Finished difference Result 251 states and 317 transitions. [2024-10-15 00:52:21,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 251 states and 317 transitions. [2024-10-15 00:52:21,096 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2024-10-15 00:52:21,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 251 states to 221 states and 287 transitions. [2024-10-15 00:52:21,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2024-10-15 00:52:21,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2024-10-15 00:52:21,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 287 transitions. [2024-10-15 00:52:21,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:52:21,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 221 states and 287 transitions. [2024-10-15 00:52:21,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 287 transitions. [2024-10-15 00:52:21,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 139. [2024-10-15 00:52:21,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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 00:52:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2024-10-15 00:52:21,137 INFO L240 hiAutomatonCegarLoop]: Abstraction has 139 states and 181 transitions. [2024-10-15 00:52:21,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-15 00:52:21,141 INFO L425 stractBuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2024-10-15 00:52:21,142 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:52:21,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 181 transitions. [2024-10-15 00:52:21,143 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2024-10-15 00:52:21,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:52:21,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:52:21,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:21,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:21,144 INFO L745 eck$LassoCheckResult]: Stem: 434#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 435#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 423#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 424#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 421#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 422#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 375#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 376#L488-2 [2024-10-15 00:52:21,144 INFO L747 eck$LassoCheckResult]: Loop: 376#L488-2 assume !false; 443#L489 assume test_~splverifierCounter~0#1 < 4; 411#L490 havoc test_#t~nondet24#1;test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 412#L498 assume !(0 != test_~tmp~4#1); 415#L498-2 havoc test_#t~nondet25#1;test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 436#L508 assume !(0 != test_~tmp___0~1#1); 389#L508-2 havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 390#L518 assume 0 != test_~tmp___2~0#1; 392#L524-2 assume { :begin_inline_timeShift } true; 402#L320 assume !(0 != ~pumpRunning~0); 399#L320-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 400#L352 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 442#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 416#L352-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 417#L327-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 445#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; 429#L283 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 382#L283-1 havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 383#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 376#L488-2 [2024-10-15 00:52:21,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:21,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-15 00:52:21,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:21,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117743301] [2024-10-15 00:52:21,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:21,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:21,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:21,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:21,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:21,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1752583472, now seen corresponding path program 1 times [2024-10-15 00:52:21,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:21,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984552014] [2024-10-15 00:52:21,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:21,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:21,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:21,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:21,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:21,184 INFO L85 PathProgramCache]: Analyzing trace with hash 549559948, now seen corresponding path program 1 times [2024-10-15 00:52:21,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:21,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484079536] [2024-10-15 00:52:21,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:21,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:21,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:21,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:22,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:22,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:52:22 BoogieIcfgContainer [2024-10-15 00:52:22,042 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:52:22,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:52:22,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:52:22,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:52:22,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:52:20" (3/4) ... [2024-10-15 00:52:22,044 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-15 00:52:22,079 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-15 00:52:22,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:52:22,080 INFO L158 Benchmark]: Toolchain (without parser) took 2511.03ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 168.4MB in the beginning and 160.1MB in the end (delta: 8.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-10-15 00:52:22,081 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:52:22,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.73ms. Allocated memory is still 199.2MB. Free memory was 168.2MB in the beginning and 152.0MB in the end (delta: 16.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-10-15 00:52:22,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.18ms. Allocated memory is still 199.2MB. Free memory was 152.0MB in the beginning and 149.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:52:22,081 INFO L158 Benchmark]: Boogie Preprocessor took 49.25ms. Allocated memory is still 199.2MB. Free memory was 149.5MB in the beginning and 146.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 00:52:22,082 INFO L158 Benchmark]: RCFGBuilder took 355.42ms. Allocated memory is still 199.2MB. Free memory was 146.5MB in the beginning and 127.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 00:52:22,082 INFO L158 Benchmark]: BuchiAutomizer took 1627.56ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 127.7MB in the beginning and 163.2MB in the end (delta: -35.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-10-15 00:52:22,082 INFO L158 Benchmark]: Witness Printer took 37.62ms. Allocated memory is still 239.1MB. Free memory was 163.2MB in the beginning and 160.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 00:52:22,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.73ms. Allocated memory is still 199.2MB. Free memory was 168.2MB in the beginning and 152.0MB in the end (delta: 16.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.18ms. Allocated memory is still 199.2MB. Free memory was 152.0MB in the beginning and 149.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.25ms. Allocated memory is still 199.2MB. Free memory was 149.5MB in the beginning and 146.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 355.42ms. Allocated memory is still 199.2MB. Free memory was 146.5MB in the beginning and 127.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1627.56ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 127.7MB in the beginning and 163.2MB in the end (delta: -35.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 37.62ms. Allocated memory is still 239.1MB. Free memory was 163.2MB in the beginning and 160.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [237] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [272] - GenericResultAtLocation [Line: 300]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [309] - GenericResultAtLocation [Line: 477]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [477] - GenericResultAtLocation [Line: 544]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] * 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 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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, 82 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, 215 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 215 mSDsluCounter, 607 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 489 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 118 mSDtfsCounter, 40 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: 488]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L313] int pumpRunning = 0; [L314] int systemActive = 1; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L479] int splverifierCounter ; [L480] int tmp ; [L481] int tmp___0 ; [L482] int tmp___1 ; [L483] int tmp___2 ; [L486] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L488] COND TRUE 1 [L490] COND TRUE splverifierCounter < 4 [L496] tmp = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp)) [L506] tmp___0 = __VERIFIER_nondet_int() [L508] COND FALSE !(\read(tmp___0)) [L516] tmp___2 = __VERIFIER_nondet_int() [L518] COND TRUE \read(tmp___2) [L533] CALL timeShift() [L320] COND FALSE !(\read(pumpRunning)) [L327] COND TRUE \read(systemActive) [L329] CALL processEnvironment() [L349] int tmp ; [L352] COND FALSE !(\read(pumpRunning)) [L367] FCALL processEnvironment__wrappee__methaneQuery() [L329] RET processEnvironment() [L335] CALL __utac_acc__Specification1_spec__1() [L276] int tmp ; [L277] int tmp___0 ; [L281] CALL, EXPR isMethaneLevelCritical() [L197] int retValue_acc ; [L200] retValue_acc = methaneLevelCritical [L201] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L335] RET __utac_acc__Specification1_spec__1() [L533] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 488]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L313] int pumpRunning = 0; [L314] int systemActive = 1; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L479] int splverifierCounter ; [L480] int tmp ; [L481] int tmp___0 ; [L482] int tmp___1 ; [L483] int tmp___2 ; [L486] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L488] COND TRUE 1 [L490] COND TRUE splverifierCounter < 4 [L496] tmp = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp)) [L506] tmp___0 = __VERIFIER_nondet_int() [L508] COND FALSE !(\read(tmp___0)) [L516] tmp___2 = __VERIFIER_nondet_int() [L518] COND TRUE \read(tmp___2) [L533] CALL timeShift() [L320] COND FALSE !(\read(pumpRunning)) [L327] COND TRUE \read(systemActive) [L329] CALL processEnvironment() [L349] int tmp ; [L352] COND FALSE !(\read(pumpRunning)) [L367] FCALL processEnvironment__wrappee__methaneQuery() [L329] RET processEnvironment() [L335] CALL __utac_acc__Specification1_spec__1() [L276] int tmp ; [L277] int tmp___0 ; [L281] CALL, EXPR isMethaneLevelCritical() [L197] int retValue_acc ; [L200] retValue_acc = methaneLevelCritical [L201] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L335] RET __utac_acc__Specification1_spec__1() [L533] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 00:52:22,111 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)