./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_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d 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_spec4_product17.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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:40:04,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:40:04,941 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:40:04,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:40:04,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:40:04,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:40:04,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:40:04,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:40:04,976 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:40:04,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:40:04,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:40:04,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:40:04,978 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:40:04,978 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:40:04,979 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:40:04,980 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:40:04,980 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:40:04,980 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:40:04,980 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:40:04,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:40:04,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:40:04,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:40:04,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:40:04,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:40:04,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:40:04,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:40:04,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:40:04,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:40:04,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:40:04,985 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:40:04,985 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:40:04,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:40:04,986 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:40:04,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:40:04,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:40:04,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:40:04,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:40:04,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:40:04,987 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:40:04,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 [2024-10-13 17:40:05,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:40:05,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:40:05,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:40:05,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:40:05,266 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:40:05,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2024-10-13 17:40:06,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:40:06,738 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:40:06,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2024-10-13 17:40:06,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f922eaaf/b56d34c2772c40aba6987f29ec01331d/FLAGba9725682 [2024-10-13 17:40:07,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f922eaaf/b56d34c2772c40aba6987f29ec01331d [2024-10-13 17:40:07,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:40:07,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:40:07,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:40:07,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:40:07,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:40:07,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8604f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07, skipping insertion in model container [2024-10-13 17:40:07,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:40:07,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:40:07,551 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:40:07,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2024-10-13 17:40:07,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] [2024-10-13 17:40:07,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [182] [2024-10-13 17:40:07,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] [2024-10-13 17:40:07,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [226] [2024-10-13 17:40:07,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [291] [2024-10-13 17:40:07,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [449] [2024-10-13 17:40:07,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [538] [2024-10-13 17:40:07,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:40:07,621 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:40:07,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07 WrapperNode [2024-10-13 17:40:07,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:40:07,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:40:07,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:40:07,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:40:07,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,674 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 327 [2024-10-13 17:40:07,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:40:07,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:40:07,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:40:07,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:40:07,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,696 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]. [2024-10-13 17:40:07,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:40:07,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:40:07,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:40:07,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:40:07,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (1/1) ... [2024-10-13 17:40:07,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:40:07,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:40:07,745 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) [2024-10-13 17:40:07,750 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 [2024-10-13 17:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:40:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:40:07,857 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:40:07,860 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:40:08,070 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-10-13 17:40:08,070 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:40:08,080 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:40:08,080 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:40:08,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:08 BoogieIcfgContainer [2024-10-13 17:40:08,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:40:08,081 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:40:08,081 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:40:08,084 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:40:08,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:08,085 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:40:07" (1/3) ... [2024-10-13 17:40:08,085 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f579b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:40:08, skipping insertion in model container [2024-10-13 17:40:08,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:08,086 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:07" (2/3) ... [2024-10-13 17:40:08,086 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f579b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:40:08, skipping insertion in model container [2024-10-13 17:40:08,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:08,087 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:08" (3/3) ... [2024-10-13 17:40:08,089 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2024-10-13 17:40:08,130 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:40:08,130 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:40:08,130 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:40:08,131 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:40:08,131 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:40:08,131 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:40:08,131 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:40:08,131 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:40:08,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:40:08,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-13 17:40:08,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:08,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:08,156 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:08,156 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:08,156 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:40:08,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:40:08,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-13 17:40:08,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:08,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:08,162 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:08,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:08,167 INFO L745 eck$LassoCheckResult]: Stem: 19#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 22#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 14#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 86#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 73#valid_product_returnLabel#1true main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 43#L169true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 59#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 24#L237-2true [2024-10-13 17:40:08,167 INFO L747 eck$LassoCheckResult]: Loop: 24#L237-2true assume !false; 17#L238true assume test_~splverifierCounter~0#1 < 4; 18#L239true havoc test_#t~nondet8#1;test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 87#L247true assume !(0 != test_~tmp~2#1); 64#L247-2true havoc test_#t~nondet9#1;test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 100#L257true assume !(0 != test_~tmp___0~1#1); 23#L257-2true havoc test_#t~nondet10#1;test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 13#L267true assume 0 != test_~tmp___2~0#1; 89#L273-2true assume { :begin_inline_timeShift } true; 48#L305true assume !(0 != ~pumpRunning~0); 95#L305-2true assume !(0 != ~systemActive~0); 20#L312-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 49#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 60#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 92#L61-1true havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 50#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 24#L237-2true [2024-10-13 17:40:08,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:08,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-13 17:40:08,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:08,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252435324] [2024-10-13 17:40:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:08,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:08,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:08,290 INFO L85 PathProgramCache]: Analyzing trace with hash -828884186, now seen corresponding path program 1 times [2024-10-13 17:40:08,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:08,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186874439] [2024-10-13 17:40:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:08,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:08,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:08,310 INFO L85 PathProgramCache]: Analyzing trace with hash 526534890, now seen corresponding path program 1 times [2024-10-13 17:40:08,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:08,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631360708] [2024-10-13 17:40:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:08,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:40:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:40:08,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:40:08,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631360708] [2024-10-13 17:40:08,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631360708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:40:08,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:40:08,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:40:08,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564441569] [2024-10-13 17:40:08,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:40:08,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:40:08,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 17:40:08,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 17:40:08,569 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:40:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:40:08,662 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2024-10-13 17:40:08,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2024-10-13 17:40:08,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-10-13 17:40:08,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2024-10-13 17:40:08,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2024-10-13 17:40:08,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2024-10-13 17:40:08,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2024-10-13 17:40:08,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:40:08,681 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-13 17:40:08,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2024-10-13 17:40:08,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-13 17:40:08,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:40:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2024-10-13 17:40:08,727 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-13 17:40:08,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:40:08,737 INFO L425 stractBuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-13 17:40:08,737 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:40:08,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2024-10-13 17:40:08,738 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-10-13 17:40:08,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:08,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:08,739 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:08,739 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] [2024-10-13 17:40:08,742 INFO L745 eck$LassoCheckResult]: Stem: 281#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 270#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 271#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 262#valid_product_returnLabel#1 main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 263#L169 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 226#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 227#L237-2 [2024-10-13 17:40:08,742 INFO L747 eck$LassoCheckResult]: Loop: 227#L237-2 assume !false; 274#L238 assume test_~splverifierCounter~0#1 < 4; 275#L239 havoc test_#t~nondet8#1;test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 277#L247 assume !(0 != test_~tmp~2#1); 240#L247-2 havoc test_#t~nondet9#1;test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 241#L257 assume !(0 != test_~tmp___0~1#1); 294#L257-2 havoc test_#t~nondet10#1;test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 267#L267 assume 0 != test_~tmp___2~0#1; 269#L273-2 assume { :begin_inline_timeShift } true; 293#L305 assume !(0 != ~pumpRunning~0); 305#L305-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 242#L337 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 231#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 232#L337-1 havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 283#L312-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 284#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 228#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 230#L61-1 havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 296#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 227#L237-2 [2024-10-13 17:40:08,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-13 17:40:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:08,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003904507] [2024-10-13 17:40:08,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:08,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:08,790 INFO L85 PathProgramCache]: Analyzing trace with hash -646831835, now seen corresponding path program 1 times [2024-10-13 17:40:08,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:08,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428006893] [2024-10-13 17:40:08,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:08,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:08,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:08,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1655311585, now seen corresponding path program 1 times [2024-10-13 17:40:08,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:08,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745961309] [2024-10-13 17:40:08,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:08,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:08,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:09,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:09,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:40:09 BoogieIcfgContainer [2024-10-13 17:40:09,595 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:40:09,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:40:09,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:40:09,596 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:40:09,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:08" (3/4) ... [2024-10-13 17:40:09,597 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:40:09,635 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:40:09,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:40:09,636 INFO L158 Benchmark]: Toolchain (without parser) took 2500.32ms. Allocated memory was 186.6MB in the beginning and 230.7MB in the end (delta: 44.0MB). Free memory was 110.7MB in the beginning and 110.0MB in the end (delta: 653.4kB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-10-13 17:40:09,636 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:40:09,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.12ms. Allocated memory is still 186.6MB. Free memory was 110.5MB in the beginning and 142.0MB in the end (delta: -31.5MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-10-13 17:40:09,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.85ms. Allocated memory is still 186.6MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:09,637 INFO L158 Benchmark]: Boogie Preprocessor took 32.50ms. Allocated memory is still 186.6MB. Free memory was 138.9MB in the beginning and 136.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:09,637 INFO L158 Benchmark]: RCFGBuilder took 372.70ms. Allocated memory is still 186.6MB. Free memory was 136.8MB in the beginning and 141.0MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-13 17:40:09,637 INFO L158 Benchmark]: BuchiAutomizer took 1513.75ms. Allocated memory was 186.6MB in the beginning and 230.7MB in the end (delta: 44.0MB). Free memory was 141.0MB in the beginning and 113.0MB in the end (delta: 28.0MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2024-10-13 17:40:09,638 INFO L158 Benchmark]: Witness Printer took 39.65ms. Allocated memory is still 230.7MB. Free memory was 113.0MB in the beginning and 110.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:09,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.12ms. Allocated memory is still 186.6MB. Free memory was 110.5MB in the beginning and 142.0MB in the end (delta: -31.5MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.85ms. Allocated memory is still 186.6MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.50ms. Allocated memory is still 186.6MB. Free memory was 138.9MB in the beginning and 136.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.70ms. Allocated memory is still 186.6MB. Free memory was 136.8MB in the beginning and 141.0MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1513.75ms. Allocated memory was 186.6MB in the beginning and 230.7MB in the end (delta: 44.0MB). Free memory was 141.0MB in the beginning and 113.0MB in the end (delta: 28.0MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Witness Printer took 39.65ms. Allocated memory is still 230.7MB. Free memory was 113.0MB in the beginning and 110.0MB in the end (delta: 2.9MB). 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,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [182] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [226] - GenericResultAtLocation [Line: 291]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [291] - GenericResultAtLocation [Line: 449]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [449] - GenericResultAtLocation [Line: 538]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [538] * 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 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 123 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 233 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 119 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: 237]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L79] int cleanupTimeShifts = 4; [L298] int pumpRunning = 0; [L299] int systemActive = 1; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L708] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L228] int splverifierCounter ; [L229] int tmp ; [L230] int tmp___0 ; [L231] int tmp___1 ; [L232] int tmp___2 ; [L235] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L237] COND TRUE 1 [L239] COND TRUE splverifierCounter < 4 [L245] tmp = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp)) [L255] tmp___0 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___0)) [L265] tmp___2 = __VERIFIER_nondet_int() [L267] COND TRUE \read(tmp___2) [L280] CALL timeShift() [L305] COND FALSE !(\read(pumpRunning)) [L312] COND TRUE \read(systemActive) [L314] CALL processEnvironment() [L334] int tmp ; [L337] COND FALSE !(\read(pumpRunning)) [L352] FCALL processEnvironment__wrappee__base() [L314] RET processEnvironment() [L320] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L320] RET __utac_acc__Specification4_spec__1() [L280] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 237]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L79] int cleanupTimeShifts = 4; [L298] int pumpRunning = 0; [L299] int systemActive = 1; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L708] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L228] int splverifierCounter ; [L229] int tmp ; [L230] int tmp___0 ; [L231] int tmp___1 ; [L232] int tmp___2 ; [L235] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L237] COND TRUE 1 [L239] COND TRUE splverifierCounter < 4 [L245] tmp = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp)) [L255] tmp___0 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___0)) [L265] tmp___2 = __VERIFIER_nondet_int() [L267] COND TRUE \read(tmp___2) [L280] CALL timeShift() [L305] COND FALSE !(\read(pumpRunning)) [L312] COND TRUE \read(systemActive) [L314] CALL processEnvironment() [L334] int tmp ; [L337] COND FALSE !(\read(pumpRunning)) [L352] FCALL processEnvironment__wrappee__base() [L314] RET processEnvironment() [L320] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L320] RET __utac_acc__Specification4_spec__1() [L280] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:40:09,670 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)