./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_product14.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_product14.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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:40:02,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:40:02,139 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:40:02,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:40:02,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:40:02,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:40:02,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:40:02,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:40:02,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:40:02,179 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:40:02,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:40:02,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:40:02,180 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:40:02,182 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:40:02,182 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:40:02,182 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:40:02,182 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:40:02,183 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:40:02,183 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:40:02,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:40:02,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:40:02,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:40:02,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:40:02,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:40:02,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:40:02,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:40:02,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:40:02,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:40:02,188 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:40:02,189 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:40:02,189 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:40:02,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:40:02,189 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:40:02,189 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:40:02,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:40:02,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:40:02,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:40:02,190 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:40:02,190 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:40:02,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2024-10-13 17:40:02,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:40:02,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:40:02,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:40:02,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:40:02,442 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:40:02,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2024-10-13 17:40:03,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:40:03,961 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:40:03,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2024-10-13 17:40:03,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc428472/9ced30cd2b254a5095bfa85bca588952/FLAG1e7e38549 [2024-10-13 17:40:04,287 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc428472/9ced30cd2b254a5095bfa85bca588952 [2024-10-13 17:40:04,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:40:04,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:40:04,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:40:04,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:40:04,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:40:04,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527dcd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04, skipping insertion in model container [2024-10-13 17:40:04,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:40:04,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:40:04,564 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:40:04,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-10-13 17:40:04,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-10-13 17:40:04,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] [2024-10-13 17:40:04,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] [2024-10-13 17:40:04,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] [2024-10-13 17:40:04,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] [2024-10-13 17:40:04,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] [2024-10-13 17:40:04,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] [2024-10-13 17:40:04,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:40:04,634 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:40:04,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04 WrapperNode [2024-10-13 17:40:04,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:40:04,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:40:04,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:40:04,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:40:04,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,669 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 51, statements flattened = 312 [2024-10-13 17:40:04,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:40:04,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:40:04,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:40:04,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:40:04,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,681 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,692 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 17:40:04,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:40:04,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:40:04,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:40:04,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:40:04,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (1/1) ... [2024-10-13 17:40:04,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:40:04,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:40:04,732 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 17:40:04,735 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 17:40:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:40:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:40:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:40:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:40:04,856 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:40:04,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:40:05,152 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-10-13 17:40:05,153 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:40:05,164 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:40:05,165 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:40:05,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:05 BoogieIcfgContainer [2024-10-13 17:40:05,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:40:05,166 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:40:05,166 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:40:05,169 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:40:05,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:05,170 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:40:04" (1/3) ... [2024-10-13 17:40:05,170 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e62afa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:40:05, skipping insertion in model container [2024-10-13 17:40:05,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:05,171 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:04" (2/3) ... [2024-10-13 17:40:05,171 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e62afa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:40:05, skipping insertion in model container [2024-10-13 17:40:05,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:05,171 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:05" (3/3) ... [2024-10-13 17:40:05,172 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2024-10-13 17:40:05,218 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:40:05,218 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:40:05,218 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:40:05,218 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:40:05,218 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:40:05,218 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:40:05,218 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:40:05,218 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:40:05,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 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 17:40:05,237 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2024-10-13 17:40:05,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:05,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:05,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:05,242 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:05,242 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:40:05,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 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 17:40:05,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2024-10-13 17:40:05,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:05,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:05,246 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:05,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:05,249 INFO L745 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 20#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 14#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 71#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 90#L864true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 57#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 61#L553-2true [2024-10-13 17:40:05,250 INFO L747 eck$LassoCheckResult]: Loop: 61#L553-2true assume !false; 101#L554true assume test_~splverifierCounter~0#1 < 4; 98#L555true havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 49#L563true assume !(0 != test_~tmp~3#1); 96#L563-2true havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 31#L573true assume !(0 != test_~tmp___0~0#1); 87#L573-2true havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 76#L583true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 33#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 93#L591-2true assume { :begin_inline_timeShift } true; 77#L622true assume !(0 != ~pumpRunning~0); 62#L622-2true assume !(0 != ~systemActive~0); 63#L629-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 46#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 100#L886true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 70#L886-1true havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 47#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 61#L553-2true [2024-10-13 17:40:05,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:05,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-13 17:40:05,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:05,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593962769] [2024-10-13 17:40:05,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:05,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:05,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:05,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:05,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:05,367 INFO L85 PathProgramCache]: Analyzing trace with hash 940146947, now seen corresponding path program 1 times [2024-10-13 17:40:05,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:05,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65350341] [2024-10-13 17:40:05,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:40:05,450 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 17:40:05,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:40:05,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65350341] [2024-10-13 17:40:05,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65350341] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:40:05,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:40:05,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:40:05,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953389624] [2024-10-13 17:40:05,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:40:05,457 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:40:05,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:40:05,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:40:05,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:40:05,480 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:40:05,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:40:05,505 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2024-10-13 17:40:05,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 117 transitions. [2024-10-13 17:40:05,508 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2024-10-13 17:40:05,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 84 states and 106 transitions. [2024-10-13 17:40:05,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2024-10-13 17:40:05,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2024-10-13 17:40:05,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 106 transitions. [2024-10-13 17:40:05,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:40:05,519 INFO L218 hiAutomatonCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-10-13 17:40:05,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 106 transitions. [2024-10-13 17:40:05,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-13 17:40:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 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 17:40:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2024-10-13 17:40:05,552 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-10-13 17:40:05,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:40:05,556 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-10-13 17:40:05,559 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:40:05,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 106 transitions. [2024-10-13 17:40:05,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2024-10-13 17:40:05,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:05,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:05,563 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:05,563 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:05,564 INFO L745 eck$LassoCheckResult]: Stem: 258#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 259#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 246#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 247#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 241#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 242#L864 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 203#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 204#L553-2 [2024-10-13 17:40:05,564 INFO L747 eck$LassoCheckResult]: Loop: 204#L553-2 assume !false; 214#L554 assume test_~splverifierCounter~0#1 < 4; 283#L555 havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 284#L563 assume !(0 != test_~tmp~3#1); 281#L563-2 havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 274#L573 assume !(0 != test_~tmp___0~0#1); 267#L573-2 havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 252#L583 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet36#1;test_~tmp___1~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 253#L591 assume 0 != test_~tmp___1~0#1; 268#L591-2 assume { :begin_inline_timeShift } true; 255#L622 assume !(0 != ~pumpRunning~0); 218#L622-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 219#L654 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 266#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 262#L654-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 223#L629-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 224#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 285#L886 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 239#L886-1 havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 240#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 204#L553-2 [2024-10-13 17:40:05,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:05,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-13 17:40:05,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:05,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130092342] [2024-10-13 17:40:05,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:05,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:05,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:05,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:05,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:05,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1015446697, now seen corresponding path program 1 times [2024-10-13 17:40:05,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:05,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317471414] [2024-10-13 17:40:05,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:05,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:05,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:05,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:05,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:05,615 INFO L85 PathProgramCache]: Analyzing trace with hash -632551315, now seen corresponding path program 1 times [2024-10-13 17:40:05,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:05,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768302268] [2024-10-13 17:40:05,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:05,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:05,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:06,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:06,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:40:06 BoogieIcfgContainer [2024-10-13 17:40:06,430 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:40:06,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:40:06,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:40:06,432 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:40:06,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:05" (3/4) ... [2024-10-13 17:40:06,434 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:40:06,486 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:40:06,487 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:40:06,487 INFO L158 Benchmark]: Toolchain (without parser) took 2194.68ms. Allocated memory is still 184.5MB. Free memory was 155.3MB in the beginning and 94.8MB in the end (delta: 60.5MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-10-13 17:40:06,487 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:40:06,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.17ms. Allocated memory is still 184.5MB. Free memory was 155.3MB in the beginning and 135.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 17:40:06,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.38ms. Allocated memory is still 184.5MB. Free memory was 135.4MB in the beginning and 132.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:40:06,488 INFO L158 Benchmark]: Boogie Preprocessor took 31.87ms. Allocated memory is still 184.5MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:06,488 INFO L158 Benchmark]: RCFGBuilder took 462.15ms. Allocated memory is still 184.5MB. Free memory was 130.1MB in the beginning and 147.3MB in the end (delta: -17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 17:40:06,488 INFO L158 Benchmark]: BuchiAutomizer took 1263.73ms. Allocated memory is still 184.5MB. Free memory was 147.3MB in the beginning and 97.9MB in the end (delta: 49.3MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2024-10-13 17:40:06,488 INFO L158 Benchmark]: Witness Printer took 56.60ms. Allocated memory is still 184.5MB. Free memory was 97.9MB in the beginning and 94.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:06,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.17ms. Allocated memory is still 184.5MB. Free memory was 155.3MB in the beginning and 135.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.38ms. Allocated memory is still 184.5MB. Free memory was 135.4MB in the beginning and 132.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.87ms. Allocated memory is still 184.5MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.15ms. Allocated memory is still 184.5MB. Free memory was 130.1MB in the beginning and 147.3MB in the end (delta: -17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1263.73ms. Allocated memory is still 184.5MB. Free memory was 147.3MB in the beginning and 97.9MB in the end (delta: 49.3MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Witness Printer took 56.60ms. Allocated memory is still 184.5MB. Free memory was 97.9MB in the beginning and 94.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] - GenericResultAtLocation [Line: 772]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] - GenericResultAtLocation [Line: 781]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] * 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 3 locations. The remainder module has 84 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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, 112 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 114 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 553]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L343] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L782] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int retValue_acc ; [L856] int tmp ; [L860] FCALL select_helpers() [L861] FCALL select_features() [L862] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] RET, EXPR valid_product() [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L866] FCALL setup() [L867] CALL runTest() [L849] CALL test() [L544] int splverifierCounter ; [L545] int tmp ; [L546] int tmp___0 ; [L547] int tmp___1 ; [L548] int tmp___2 ; [L551] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L553] COND TRUE 1 [L555] COND TRUE splverifierCounter < 4 [L561] tmp = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp)) [L571] tmp___0 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___0)) [L581] tmp___2 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___2)) [L589] tmp___1 = __VERIFIER_nondet_int() [L591] COND TRUE \read(tmp___1) [L598] CALL timeShift() [L622] COND FALSE !(\read(pumpRunning)) [L629] COND TRUE \read(systemActive) [L631] CALL processEnvironment() [L651] int tmp ; [L654] COND FALSE !(\read(pumpRunning)) [L669] FCALL processEnvironment__wrappee__methaneQuery() [L631] RET processEnvironment() [L637] CALL __utac_acc__Specification4_spec__1() [L879] int tmp ; [L880] int tmp___0 ; [L884] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L884] RET, EXPR getWaterLevel() [L884] tmp = getWaterLevel() [L886] COND FALSE !(tmp == 0) [L637] RET __utac_acc__Specification4_spec__1() [L598] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 553]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L343] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L782] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int retValue_acc ; [L856] int tmp ; [L860] FCALL select_helpers() [L861] FCALL select_features() [L862] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] RET, EXPR valid_product() [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L866] FCALL setup() [L867] CALL runTest() [L849] CALL test() [L544] int splverifierCounter ; [L545] int tmp ; [L546] int tmp___0 ; [L547] int tmp___1 ; [L548] int tmp___2 ; [L551] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L553] COND TRUE 1 [L555] COND TRUE splverifierCounter < 4 [L561] tmp = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp)) [L571] tmp___0 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___0)) [L581] tmp___2 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___2)) [L589] tmp___1 = __VERIFIER_nondet_int() [L591] COND TRUE \read(tmp___1) [L598] CALL timeShift() [L622] COND FALSE !(\read(pumpRunning)) [L629] COND TRUE \read(systemActive) [L631] CALL processEnvironment() [L651] int tmp ; [L654] COND FALSE !(\read(pumpRunning)) [L669] FCALL processEnvironment__wrappee__methaneQuery() [L631] RET processEnvironment() [L637] CALL __utac_acc__Specification4_spec__1() [L879] int tmp ; [L880] int tmp___0 ; [L884] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L884] RET, EXPR getWaterLevel() [L884] tmp = getWaterLevel() [L886] COND FALSE !(tmp == 0) [L637] RET __utac_acc__Specification4_spec__1() [L598] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:40:06,520 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)