./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.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 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:52:00,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:52:00,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-20 22:52:00,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:52:00,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:52:00,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:52:00,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:52:00,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:52:00,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:52:00,635 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:52:00,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:52:00,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:52:00,636 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:52:00,638 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:52:00,638 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:52:00,639 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:52:00,639 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:52:00,643 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:52:00,643 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:52:00,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:52:00,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:52:00,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 22:52:00,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:52:00,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 22:52:00,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:52:00,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:52:00,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:52:00,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:52:00,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:52:00,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:52:00,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 22:52:00,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:52:00,647 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:52:00,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:52:00,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:52:00,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:52:00,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:52:00,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:52:00,648 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:52:00,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2024-11-20 22:52:00,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:52:00,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:52:00,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:52:00,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:52:00,936 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:52:00,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2024-11-20 22:52:02,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:52:02,634 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:52:02,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2024-11-20 22:52:02,646 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e3544ca9/acf9d0a0a4374871aa1acec66175b4ec/FLAG30c5ab692 [2024-11-20 22:52:02,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e3544ca9/acf9d0a0a4374871aa1acec66175b4ec [2024-11-20 22:52:02,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:52:02,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:52:02,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:52:02,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:52:02,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:52:02,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:52:02" (1/1) ... [2024-11-20 22:52:02,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e95efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:02, skipping insertion in model container [2024-11-20 22:52:02,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:52:02" (1/1) ... [2024-11-20 22:52:03,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:52:03,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:52:03,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:52:03,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-20 22:52:03,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2024-11-20 22:52:03,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2024-11-20 22:52:03,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] [2024-11-20 22:52:03,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] [2024-11-20 22:52:03,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] [2024-11-20 22:52:03,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] [2024-11-20 22:52:03,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] [2024-11-20 22:52:03,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:52:03,489 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:52:03,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03 WrapperNode [2024-11-20 22:52:03,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:52:03,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:52:03,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:52:03,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:52:03,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,547 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 57, calls inlined = 84, statements flattened = 533 [2024-11-20 22:52:03,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:52:03,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:52:03,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:52:03,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:52:03,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,563 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,582 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]. [2024-11-20 22:52:03,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:52:03,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:52:03,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:52:03,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:52:03,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (1/1) ... [2024-11-20 22:52:03,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:52:03,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:52:03,658 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) [2024-11-20 22:52:03,661 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 [2024-11-20 22:52:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 22:52:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 22:52:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:52:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:52:03,786 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:52:03,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:52:04,245 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-20 22:52:04,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:52:04,268 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:52:04,269 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 22:52:04,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:52:04 BoogieIcfgContainer [2024-11-20 22:52:04,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:52:04,271 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:52:04,271 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:52:04,275 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:52:04,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:52:04,277 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:52:02" (1/3) ... [2024-11-20 22:52:04,278 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e53b651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:52:04, skipping insertion in model container [2024-11-20 22:52:04,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:52:04,278 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:52:03" (2/3) ... [2024-11-20 22:52:04,279 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e53b651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:52:04, skipping insertion in model container [2024-11-20 22:52:04,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:52:04,280 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:52:04" (3/3) ... [2024-11-20 22:52:04,281 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2024-11-20 22:52:04,342 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:52:04,343 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:52:04,343 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:52:04,343 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:52:04,343 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:52:04,343 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:52:04,343 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:52:04,343 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:52:04,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162 states, 161 states have (on average 1.3478260869565217) internal successors, (217), 161 states have internal predecessors, (217), 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) [2024-11-20 22:52:04,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2024-11-20 22:52:04,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:52:04,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:52:04,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:04,385 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:04,385 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:52:04,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162 states, 161 states have (on average 1.3478260869565217) internal successors, (217), 161 states have internal predecessors, (217), 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) [2024-11-20 22:52:04,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2024-11-20 22:52:04,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:52:04,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:52:04,395 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:04,395 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:04,401 INFO L745 eck$LassoCheckResult]: Stem: 29#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 134#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 109#valid_product_returnLabel#1true main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 153#L448true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 83#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 129#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 146#L75-2true [2024-11-20 22:52:04,401 INFO L747 eck$LassoCheckResult]: Loop: 146#L75-2true assume !false; 75#L76true assume test_~splverifierCounter~0#1 < 4; 91#L77true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 35#L85true assume !(0 != test_~tmp~0#1); 6#L85-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 108#L95true assume !(0 != test_~tmp___0~0#1); 125#L95-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 19#L105true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 59#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 48#L113-2true assume { :begin_inline_timeShift } true; 124#L150true assume !(0 != ~pumpRunning~0); 106#L150-2true assume !(0 != ~systemActive~0); 17#L157-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 78#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret28#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; 46#L604true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 15#L604-1true havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 67#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 146#L75-2true [2024-11-20 22:52:04,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:04,407 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-20 22:52:04,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:04,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633448123] [2024-11-20 22:52:04,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:04,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:04,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:04,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:04,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:04,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1366019701, now seen corresponding path program 1 times [2024-11-20 22:52:04,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:04,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706713605] [2024-11-20 22:52:04,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:04,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:52:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:52:04,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:52:04,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706713605] [2024-11-20 22:52:04,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706713605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:52:04,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:52:04,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 22:52:04,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665778842] [2024-11-20 22:52:04,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:52:04,640 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-20 22:52:04,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:52:04,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 22:52:04,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 22:52:04,678 INFO L87 Difference]: Start difference. First operand has 162 states, 161 states have (on average 1.3478260869565217) internal successors, (217), 161 states have internal predecessors, (217), 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) [2024-11-20 22:52:04,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:52:04,767 INFO L93 Difference]: Finished difference Result 302 states and 394 transitions. [2024-11-20 22:52:04,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 394 transitions. [2024-11-20 22:52:04,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 196 [2024-11-20 22:52:04,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 282 states and 373 transitions. [2024-11-20 22:52:04,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2024-11-20 22:52:04,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2024-11-20 22:52:04,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 373 transitions. [2024-11-20 22:52:04,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:52:04,794 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 373 transitions. [2024-11-20 22:52:04,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 373 transitions. [2024-11-20 22:52:04,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 279. [2024-11-20 22:52:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 279 states have (on average 1.3225806451612903) internal successors, (369), 278 states have internal predecessors, (369), 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) [2024-11-20 22:52:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 369 transitions. [2024-11-20 22:52:04,833 INFO L240 hiAutomatonCegarLoop]: Abstraction has 279 states and 369 transitions. [2024-11-20 22:52:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 22:52:04,838 INFO L425 stractBuchiCegarLoop]: Abstraction has 279 states and 369 transitions. [2024-11-20 22:52:04,839 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:52:04,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 369 transitions. [2024-11-20 22:52:04,843 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 193 [2024-11-20 22:52:04,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:52:04,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:52:04,844 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:52:04,844 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, 1, 1] [2024-11-20 22:52:04,844 INFO L745 eck$LassoCheckResult]: Stem: 520#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 521#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 516#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 517#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 605#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 606#L448 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 580#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 581#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 619#L75-2 [2024-11-20 22:52:04,845 INFO L747 eck$LassoCheckResult]: Loop: 619#L75-2 assume !false; 679#L76 assume test_~splverifierCounter~0#1 < 4; 680#L77 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 750#L85 assume !(0 != test_~tmp~0#1); 748#L85-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 746#L95 assume !(0 != test_~tmp___0~0#1); 744#L95-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 743#L105 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 502#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 555#L113-2 assume { :begin_inline_timeShift } true; 740#L150 assume !(0 != ~pumpRunning~0); 737#L150-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 734#L208 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 732#L182-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 716#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 715#L182-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 712#L208-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 711#L157-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 710#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret28#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; 687#L604 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 684#L604-1 havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 683#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 619#L75-2 [2024-11-20 22:52:04,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:04,845 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-20 22:52:04,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:04,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064007552] [2024-11-20 22:52:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:04,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:04,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:04,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:04,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:04,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1015805578, now seen corresponding path program 1 times [2024-11-20 22:52:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:04,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327508420] [2024-11-20 22:52:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:04,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:04,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:04,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:04,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:52:04,969 INFO L85 PathProgramCache]: Analyzing trace with hash -573593697, now seen corresponding path program 1 times [2024-11-20 22:52:04,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:52:04,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262881224] [2024-11-20 22:52:04,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:52:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:52:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:04,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:05,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:52:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:06,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:52:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:52:06,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:52:06 BoogieIcfgContainer [2024-11-20 22:52:06,068 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:52:06,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:52:06,070 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:52:06,070 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:52:06,070 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:52:04" (3/4) ... [2024-11-20 22:52:06,072 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-20 22:52:06,133 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 22:52:06,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:52:06,135 INFO L158 Benchmark]: Toolchain (without parser) took 3161.09ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 59.7MB in the beginning and 75.4MB in the end (delta: -15.7MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-20 22:52:06,135 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:52:06,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.07ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 59.7MB in the beginning and 137.4MB in the end (delta: -77.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-20 22:52:06,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.48ms. Allocated memory is still 167.8MB. Free memory was 137.4MB in the beginning and 134.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 22:52:06,137 INFO L158 Benchmark]: Boogie Preprocessor took 58.01ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 131.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:52:06,138 INFO L158 Benchmark]: RCFGBuilder took 662.88ms. Allocated memory is still 167.8MB. Free memory was 130.2MB in the beginning and 104.2MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-20 22:52:06,138 INFO L158 Benchmark]: BuchiAutomizer took 1797.81ms. Allocated memory is still 167.8MB. Free memory was 104.2MB in the beginning and 77.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-20 22:52:06,138 INFO L158 Benchmark]: Witness Printer took 64.85ms. Allocated memory is still 167.8MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:52:06,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.07ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 59.7MB in the beginning and 137.4MB in the end (delta: -77.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.48ms. Allocated memory is still 167.8MB. Free memory was 137.4MB in the beginning and 134.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.01ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 131.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.88ms. Allocated memory is still 167.8MB. Free memory was 130.2MB in the beginning and 104.2MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1797.81ms. Allocated memory is still 167.8MB. Free memory was 104.2MB in the beginning and 77.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 64.85ms. Allocated memory is still 167.8MB. Free memory was 77.5MB in the beginning and 75.4MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 360]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] - GenericResultAtLocation [Line: 461]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] - GenericResultAtLocation [Line: 496]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] * 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 279 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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, 194 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 398 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 212 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: 75]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L361] int cleanupTimeShifts = 4; [L498] int waterLevel = 1; [L499] int methaneLevelCritical = 0; [L587] int methAndRunningLastTime ; [L795] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L439] int retValue_acc ; [L440] int tmp ; [L444] FCALL select_helpers() [L445] FCALL select_features() [L446] CALL, EXPR valid_product() [L488] int retValue_acc ; [L491] retValue_acc = 1 [L492] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] RET, EXPR valid_product() [L446] tmp = valid_product() [L448] COND TRUE \read(tmp) [L450] FCALL setup() [L451] CALL runTest() [L429] CALL __utac_acc__Specification2_spec__1() [L592] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L429] RET __utac_acc__Specification2_spec__1() [L430] CALL test() [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L75] COND TRUE 1 [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L107] CALL startSystem() [L356] systemActive = 1 [L107] RET startSystem() [L122] CALL timeShift() [L150] COND FALSE !(\read(pumpRunning)) [L157] COND TRUE \read(systemActive) [L159] CALL processEnvironment() [L205] int tmp ; [L208] COND FALSE !(\read(pumpRunning)) [L223] CALL processEnvironment__wrappee__methaneQuery() [L179] int tmp ; [L182] COND FALSE !(\read(pumpRunning)) [L197] FCALL processEnvironment__wrappee__base() [L223] RET processEnvironment__wrappee__methaneQuery() [L159] RET processEnvironment() [L165] CALL __utac_acc__Specification2_spec__2() [L597] int tmp ; [L598] int tmp___0 ; [L602] CALL, EXPR isMethaneLevelCritical() [L537] int retValue_acc ; [L540] retValue_acc = methaneLevelCritical [L541] return (retValue_acc); [L602] RET, EXPR isMethaneLevelCritical() [L602] tmp = isMethaneLevelCritical() [L604] COND FALSE !(\read(tmp)) [L620] methAndRunningLastTime = 0 [L165] RET __utac_acc__Specification2_spec__2() [L122] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 75]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L361] int cleanupTimeShifts = 4; [L498] int waterLevel = 1; [L499] int methaneLevelCritical = 0; [L587] int methAndRunningLastTime ; [L795] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L439] int retValue_acc ; [L440] int tmp ; [L444] FCALL select_helpers() [L445] FCALL select_features() [L446] CALL, EXPR valid_product() [L488] int retValue_acc ; [L491] retValue_acc = 1 [L492] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] RET, EXPR valid_product() [L446] tmp = valid_product() [L448] COND TRUE \read(tmp) [L450] FCALL setup() [L451] CALL runTest() [L429] CALL __utac_acc__Specification2_spec__1() [L592] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L429] RET __utac_acc__Specification2_spec__1() [L430] CALL test() [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L75] COND TRUE 1 [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L107] CALL startSystem() [L356] systemActive = 1 [L107] RET startSystem() [L122] CALL timeShift() [L150] COND FALSE !(\read(pumpRunning)) [L157] COND TRUE \read(systemActive) [L159] CALL processEnvironment() [L205] int tmp ; [L208] COND FALSE !(\read(pumpRunning)) [L223] CALL processEnvironment__wrappee__methaneQuery() [L179] int tmp ; [L182] COND FALSE !(\read(pumpRunning)) [L197] FCALL processEnvironment__wrappee__base() [L223] RET processEnvironment__wrappee__methaneQuery() [L159] RET processEnvironment() [L165] CALL __utac_acc__Specification2_spec__2() [L597] int tmp ; [L598] int tmp___0 ; [L602] CALL, EXPR isMethaneLevelCritical() [L537] int retValue_acc ; [L540] retValue_acc = methaneLevelCritical [L541] return (retValue_acc); [L602] RET, EXPR isMethaneLevelCritical() [L602] tmp = isMethaneLevelCritical() [L604] COND FALSE !(\read(tmp)) [L620] methAndRunningLastTime = 0 [L165] RET __utac_acc__Specification2_spec__2() [L122] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-20 22:52:06,155 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)