./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/product-lines/minepump_spec4_product08.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 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:49:33,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:49:33,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:49:33,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:49:33,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:49:33,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:49:33,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:49:33,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:49:33,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:49:33,240 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:49:33,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:49:33,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:49:33,241 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:49:33,242 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:49:33,242 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:49:33,242 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:49:33,243 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:49:33,243 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:49:33,243 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:49:33,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:49:33,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:49:33,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:49:33,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:49:33,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:49:33,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:49:33,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:49:33,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:49:33,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:49:33,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:49:33,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:49:33,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:49:33,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:49:33,248 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:49:33,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:49:33,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:49:33,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:49:33,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:49:33,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:49:33,249 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:49:33,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 [2024-11-23 02:49:33,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:49:33,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:49:33,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:49:33,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:49:33,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:49:33,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2024-11-23 02:49:34,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:49:35,216 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:49:35,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2024-11-23 02:49:35,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41ac68d23/600eb93a150348949cf5df67599f28bc/FLAG9bf82723e [2024-11-23 02:49:35,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41ac68d23/600eb93a150348949cf5df67599f28bc [2024-11-23 02:49:35,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:49:35,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:49:35,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:49:35,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:49:35,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:49:35,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5bfa15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35, skipping insertion in model container [2024-11-23 02:49:35,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:49:35,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:49:35,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:49:35,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-23 02:49:35,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] [2024-11-23 02:49:35,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [173] [2024-11-23 02:49:35,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [272] [2024-11-23 02:49:35,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [638] [2024-11-23 02:49:35,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [666] [2024-11-23 02:49:35,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2024-11-23 02:49:35,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] [2024-11-23 02:49:35,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:49:35,826 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:49:35,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35 WrapperNode [2024-11-23 02:49:35,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:49:35,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:49:35,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:49:35,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:49:35,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,875 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 53, statements flattened = 319 [2024-11-23 02:49:35,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:49:35,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:49:35,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:49:35,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:49:35,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,912 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 02:49:35,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:49:35,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:49:35,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:49:35,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:49:35,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (1/1) ... [2024-11-23 02:49:35,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:49:35,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:49:35,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:49:35,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 02:49:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:49:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:49:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:49:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:49:36,103 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:49:36,109 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:49:36,372 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-23 02:49:36,372 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:49:36,385 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:49:36,385 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:49:36,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:36 BoogieIcfgContainer [2024-11-23 02:49:36,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:49:36,388 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:49:36,389 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:49:36,392 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:49:36,393 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:49:36,394 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:49:35" (1/3) ... [2024-11-23 02:49:36,395 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30f246c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:49:36, skipping insertion in model container [2024-11-23 02:49:36,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:49:36,395 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:35" (2/3) ... [2024-11-23 02:49:36,396 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30f246c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:49:36, skipping insertion in model container [2024-11-23 02:49:36,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:49:36,396 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:36" (3/3) ... [2024-11-23 02:49:36,397 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2024-11-23 02:49:36,455 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:49:36,456 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:49:36,457 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:49:36,457 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:49:36,457 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:49:36,457 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:49:36,457 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:49:36,457 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:49:36,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:49:36,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-23 02:49:36,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:49:36,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:49:36,502 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:36,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:36,502 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:49:36,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:49:36,509 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-23 02:49:36,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:49:36,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:49:36,509 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:36,509 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:36,516 INFO L745 eck$LassoCheckResult]: Stem: 23#$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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 84#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 72#valid_product_returnLabel#1true main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 55#L259true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 56#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 102#L837-2true [2024-11-23 02:49:36,517 INFO L747 eck$LassoCheckResult]: Loop: 102#L837-2true assume !false; 25#L838true assume test_~splverifierCounter~0#1 < 4; 24#L839true havoc test_#t~nondet46#1;test_~tmp~6#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 85#L847true assume !(0 != test_~tmp~6#1); 45#L847-2true havoc test_#t~nondet47#1;test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 81#L857true assume !(0 != test_~tmp___0~1#1); 63#L857-2true havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 90#L867true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 34#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 89#L875-2true assume { :begin_inline_timeShift } true; 82#L678true assume !(0 != ~pumpRunning~0); 18#L678-2true assume !(0 != ~systemActive~0); 93#L685-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_#t~ret35#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 42#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret34#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret34#1;havoc __utac_acc__Specification4_spec__1_#t~ret34#1; 39#L649true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 57#L649-1true havoc __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_#t~ret35#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 43#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 102#L837-2true [2024-11-23 02:49:36,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:36,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-23 02:49:36,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:36,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462394618] [2024-11-23 02:49:36,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:36,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:36,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:36,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:36,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:36,652 INFO L85 PathProgramCache]: Analyzing trace with hash 134248067, now seen corresponding path program 1 times [2024-11-23 02:49:36,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:36,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192648852] [2024-11-23 02:49:36,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:36,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:49:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:49:36,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:49:36,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192648852] [2024-11-23 02:49:36,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192648852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:49:36,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:49:36,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 02:49:36,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097563094] [2024-11-23 02:49:36,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:49:36,730 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-23 02:49:36,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:49:36,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 02:49:36,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 02:49:36,764 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:49:36,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:49:36,813 INFO L93 Difference]: Finished difference Result 187 states and 237 transitions. [2024-11-23 02:49:36,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 237 transitions. [2024-11-23 02:49:36,819 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2024-11-23 02:49:36,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 167 states and 216 transitions. [2024-11-23 02:49:36,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2024-11-23 02:49:36,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2024-11-23 02:49:36,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 216 transitions. [2024-11-23 02:49:36,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:49:36,826 INFO L218 hiAutomatonCegarLoop]: Abstraction has 167 states and 216 transitions. [2024-11-23 02:49:36,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 216 transitions. [2024-11-23 02:49:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-23 02:49:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:49:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 212 transitions. [2024-11-23 02:49:36,853 INFO L240 hiAutomatonCegarLoop]: Abstraction has 164 states and 212 transitions. [2024-11-23 02:49:36,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 02:49:36,858 INFO L425 stractBuchiCegarLoop]: Abstraction has 164 states and 212 transitions. [2024-11-23 02:49:36,858 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:49:36,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 212 transitions. [2024-11-23 02:49:36,860 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 117 [2024-11-23 02:49:36,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:49:36,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:49:36,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:36,861 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:36,861 INFO L745 eck$LassoCheckResult]: Stem: 371#$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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 359#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 360#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 355#valid_product_returnLabel#1 main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 308#L259 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 309#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 312#L837-2 [2024-11-23 02:49:36,862 INFO L747 eck$LassoCheckResult]: Loop: 312#L837-2 assume !false; 426#L838 assume test_~splverifierCounter~0#1 < 4; 425#L839 havoc test_#t~nondet46#1;test_~tmp~6#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 423#L847 assume !(0 != test_~tmp~6#1); 421#L847-2 havoc test_#t~nondet47#1;test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 419#L857 assume !(0 != test_~tmp___0~1#1); 417#L857-2 havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 416#L867 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 384#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 397#L875-2 assume { :begin_inline_timeShift } true; 413#L678 assume !(0 != ~pumpRunning~0); 357#L678-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 358#L710 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 436#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 433#L710-1 havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 432#L685-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_#t~ret35#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 431#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret34#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret34#1;havoc __utac_acc__Specification4_spec__1_#t~ret34#1; 429#L649 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 427#L649-1 havoc __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_#t~ret35#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 408#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 312#L837-2 [2024-11-23 02:49:36,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-23 02:49:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:36,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392449956] [2024-11-23 02:49:36,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:49:36,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:36,874 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:49:36,874 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:49:36,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:36,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:36,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:36,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1877306613, now seen corresponding path program 1 times [2024-11-23 02:49:36,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:36,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265627593] [2024-11-23 02:49:36,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:36,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:36,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:36,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:36,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:36,898 INFO L85 PathProgramCache]: Analyzing trace with hash 229308601, now seen corresponding path program 1 times [2024-11-23 02:49:36,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:36,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213807426] [2024-11-23 02:49:36,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:36,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:36,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:36,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:37,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:37,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:49:37 BoogieIcfgContainer [2024-11-23 02:49:37,849 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:49:37,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:49:37,850 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:49:37,850 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:49:37,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:36" (3/4) ... [2024-11-23 02:49:37,852 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 02:49:37,888 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 02:49:37,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:49:37,889 INFO L158 Benchmark]: Toolchain (without parser) took 2629.34ms. Allocated memory is still 169.9MB. Free memory was 99.4MB in the beginning and 122.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:49:37,890 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:49:37,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.80ms. Allocated memory is still 169.9MB. Free memory was 99.2MB in the beginning and 130.1MB in the end (delta: -30.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-23 02:49:37,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.19ms. Allocated memory is still 169.9MB. Free memory was 130.1MB in the beginning and 127.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:49:37,891 INFO L158 Benchmark]: Boogie Preprocessor took 58.04ms. Allocated memory is still 169.9MB. Free memory was 127.3MB in the beginning and 124.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:49:37,891 INFO L158 Benchmark]: RCFGBuilder took 450.97ms. Allocated memory is still 169.9MB. Free memory was 124.5MB in the beginning and 105.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-23 02:49:37,891 INFO L158 Benchmark]: BuchiAutomizer took 1460.69ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 125.3MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:49:37,891 INFO L158 Benchmark]: Witness Printer took 39.29ms. Allocated memory is still 169.9MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:49:37,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.80ms. Allocated memory is still 169.9MB. Free memory was 99.2MB in the beginning and 130.1MB in the end (delta: -30.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.19ms. Allocated memory is still 169.9MB. Free memory was 130.1MB in the beginning and 127.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.04ms. Allocated memory is still 169.9MB. Free memory was 127.3MB in the beginning and 124.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.97ms. Allocated memory is still 169.9MB. Free memory was 124.5MB in the beginning and 105.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1460.69ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 125.3MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.29ms. Allocated memory is still 169.9MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [135] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [173] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [272] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [638] - GenericResultAtLocation [Line: 666]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [666] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 164 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 122 mSDtfsCounter, 10 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: 837]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L174] int cleanupTimeShifts = 4; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L671] int pumpRunning = 0; [L672] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] int retValue_acc ; [L251] int tmp ; [L255] FCALL select_helpers() [L256] FCALL select_features() [L257] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L244] CALL test() [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L837] COND TRUE 1 [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L869] CALL startSystem() [L822] systemActive = 1 [L869] RET startSystem() [L884] CALL timeShift() [L678] COND FALSE !(\read(pumpRunning)) [L685] COND TRUE \read(systemActive) [L687] CALL processEnvironment() [L707] int tmp ; [L710] COND FALSE !(\read(pumpRunning)) [L725] FCALL processEnvironment__wrappee__base() [L687] RET processEnvironment() [L693] CALL __utac_acc__Specification4_spec__1() [L642] int tmp ; [L643] int tmp___0 ; [L647] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L647] RET, EXPR getWaterLevel() [L647] tmp = getWaterLevel() [L649] COND FALSE !(tmp == 0) [L693] RET __utac_acc__Specification4_spec__1() [L884] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 837]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L174] int cleanupTimeShifts = 4; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L671] int pumpRunning = 0; [L672] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] int retValue_acc ; [L251] int tmp ; [L255] FCALL select_helpers() [L256] FCALL select_features() [L257] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L244] CALL test() [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L837] COND TRUE 1 [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L869] CALL startSystem() [L822] systemActive = 1 [L869] RET startSystem() [L884] CALL timeShift() [L678] COND FALSE !(\read(pumpRunning)) [L685] COND TRUE \read(systemActive) [L687] CALL processEnvironment() [L707] int tmp ; [L710] COND FALSE !(\read(pumpRunning)) [L725] FCALL processEnvironment__wrappee__base() [L687] RET processEnvironment() [L693] CALL __utac_acc__Specification4_spec__1() [L642] int tmp ; [L643] int tmp___0 ; [L647] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L647] RET, EXPR getWaterLevel() [L647] tmp = getWaterLevel() [L649] COND FALSE !(tmp == 0) [L693] RET __utac_acc__Specification4_spec__1() [L884] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 02:49:37,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)