./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_spec2_product45.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 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:57:11,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:57:11,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:57:11,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:57:11,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:57:11,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:57:11,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:57:11,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:57:11,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:57:11,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:57:11,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:57:11,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:57:11,321 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:57:11,321 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:57:11,321 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:57:11,323 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:57:11,323 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:57:11,323 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:57:11,324 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:57:11,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:57:11,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:57:11,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:57:11,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:57:11,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:57:11,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:57:11,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:57:11,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:57:11,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:57:11,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:57:11,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:57:11,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:57:11,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:57:11,330 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:57:11,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:57:11,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:57:11,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:57:11,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:57:11,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:57:11,331 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:57:11,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 [2024-11-19 14:57:11,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:57:11,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:57:11,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:57:11,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:57:11,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:57:11,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2024-11-19 14:57:12,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:57:13,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:57:13,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2024-11-19 14:57:13,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9521d0c18/5bfb842b2ff94291a8daf4bdd3ec85fd/FLAG6040fd020 [2024-11-19 14:57:13,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9521d0c18/5bfb842b2ff94291a8daf4bdd3ec85fd [2024-11-19 14:57:13,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:57:13,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:57:13,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:57:13,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:57:13,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:57:13,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c204f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13, skipping insertion in model container [2024-11-19 14:57:13,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:57:13,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:57:13,587 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:57:13,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-19 14:57:13,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2024-11-19 14:57:13,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [424] [2024-11-19 14:57:13,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [530] [2024-11-19 14:57:13,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [733] [2024-11-19 14:57:13,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [798] [2024-11-19 14:57:13,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] [2024-11-19 14:57:13,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [928] [2024-11-19 14:57:13,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:57:13,650 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:57:13,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13 WrapperNode [2024-11-19 14:57:13,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:57:13,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:57:13,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:57:13,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:57:13,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,704 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 99, statements flattened = 673 [2024-11-19 14:57:13,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:57:13,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:57:13,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:57:13,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:57:13,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,740 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]. [2024-11-19 14:57:13,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:57:13,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:57:13,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:57:13,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:57:13,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (1/1) ... [2024-11-19 14:57:13,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:57:13,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:57:13,811 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) [2024-11-19 14:57:13,813 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 [2024-11-19 14:57:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:57:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:57:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:57:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:57:13,932 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:57:13,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:57:14,323 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-19 14:57:14,325 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:57:14,340 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:57:14,340 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:57:14,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:14 BoogieIcfgContainer [2024-11-19 14:57:14,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:57:14,341 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:57:14,341 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:57:14,344 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:57:14,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:14,345 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:57:13" (1/3) ... [2024-11-19 14:57:14,346 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46e4b1a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:57:14, skipping insertion in model container [2024-11-19 14:57:14,346 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:14,346 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:13" (2/3) ... [2024-11-19 14:57:14,346 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46e4b1a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:57:14, skipping insertion in model container [2024-11-19 14:57:14,346 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:14,346 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:14" (3/3) ... [2024-11-19 14:57:14,347 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2024-11-19 14:57:14,388 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:57:14,388 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:57:14,388 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:57:14,389 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:57:14,389 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:57:14,389 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:57:14,389 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:57:14,389 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:57:14,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 187 states, 186 states have (on average 1.3602150537634408) internal successors, (253), 186 states have internal predecessors, (253), 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) [2024-11-19 14:57:14,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2024-11-19 14:57:14,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:14,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:14,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:14,417 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:14,417 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:57:14,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 187 states, 186 states have (on average 1.3602150537634408) internal successors, (253), 186 states have internal predecessors, (253), 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) [2024-11-19 14:57:14,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2024-11-19 14:57:14,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:14,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:14,430 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:14,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:14,436 INFO L745 eck$LassoCheckResult]: Stem: 34#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 53#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 29#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 152#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 130#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 120#L517true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 99#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; 148#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 123#L744-2true [2024-11-19 14:57:14,437 INFO L747 eck$LassoCheckResult]: Loop: 123#L744-2true assume !false; 107#L745true assume test_~splverifierCounter~0#1 < 4; 124#L746true havoc test_#t~nondet41#1;test_~tmp~8#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 10#L754true assume !(0 != test_~tmp~8#1); 89#L754-2true havoc test_#t~nondet42#1;test_~tmp___0~1#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 180#L764true assume !(0 != test_~tmp___0~1#1); 137#L764-2true havoc test_#t~nondet43#1;test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 126#L774true assume 0 != test_~tmp___2~0#1; 117#L780-2true assume { :begin_inline_timeShift } true; 43#L546true assume !(0 != ~pumpRunning~0); 60#L546-2true assume !(0 != ~systemActive~0); 133#L553-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 86#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 176#L946true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 114#L946-1true havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 84#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 123#L744-2true [2024-11-19 14:57:14,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:14,443 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-19 14:57:14,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:14,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878370827] [2024-11-19 14:57:14,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:14,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:14,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:14,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:14,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:14,567 INFO L85 PathProgramCache]: Analyzing trace with hash 57949260, now seen corresponding path program 1 times [2024-11-19 14:57:14,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:14,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500596737] [2024-11-19 14:57:14,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:14,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:14,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:14,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:14,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:14,590 INFO L85 PathProgramCache]: Analyzing trace with hash -104338123, now seen corresponding path program 1 times [2024-11-19 14:57:14,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:14,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779772974] [2024-11-19 14:57:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:14,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:57:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:57:14,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:57:14,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779772974] [2024-11-19 14:57:14,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779772974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:57:14,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:57:14,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:57:14,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926082389] [2024-11-19 14:57:14,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:57:14,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:57:14,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:57:14,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:57:14,916 INFO L87 Difference]: Start difference. First operand has 187 states, 186 states have (on average 1.3602150537634408) internal successors, (253), 186 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-19 14:57:14,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:57:14,991 INFO L93 Difference]: Finished difference Result 181 states and 236 transitions. [2024-11-19 14:57:14,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 181 states and 236 transitions. [2024-11-19 14:57:14,995 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-19 14:57:15,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 181 states to 171 states and 226 transitions. [2024-11-19 14:57:15,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2024-11-19 14:57:15,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2024-11-19 14:57:15,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 226 transitions. [2024-11-19 14:57:15,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:57:15,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 171 states and 226 transitions. [2024-11-19 14:57:15,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 226 transitions. [2024-11-19 14:57:15,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-19 14:57:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 171 states have (on average 1.3216374269005848) internal successors, (226), 170 states have internal predecessors, (226), 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) [2024-11-19 14:57:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 226 transitions. [2024-11-19 14:57:15,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 171 states and 226 transitions. [2024-11-19 14:57:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:57:15,043 INFO L425 stractBuchiCegarLoop]: Abstraction has 171 states and 226 transitions. [2024-11-19 14:57:15,044 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:57:15,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 226 transitions. [2024-11-19 14:57:15,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-19 14:57:15,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:15,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:15,046 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:15,046 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] [2024-11-19 14:57:15,046 INFO L745 eck$LassoCheckResult]: Stem: 442#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 443#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 432#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 433#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 538#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 534#L517 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 513#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; 514#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 497#L744-2 [2024-11-19 14:57:15,046 INFO L747 eck$LassoCheckResult]: Loop: 497#L744-2 assume !false; 524#L745 assume test_~splverifierCounter~0#1 < 4; 525#L746 havoc test_#t~nondet41#1;test_~tmp~8#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 399#L754 assume !(0 != test_~tmp~8#1); 401#L754-2 havoc test_#t~nondet42#1;test_~tmp___0~1#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 506#L764 assume !(0 != test_~tmp___0~1#1); 541#L764-2 havoc test_#t~nondet43#1;test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 536#L774 assume 0 != test_~tmp___2~0#1; 398#L780-2 assume { :begin_inline_timeShift } true; 460#L546 assume !(0 != ~pumpRunning~0); 461#L546-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 475#L604 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret28#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 485#L578-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 386#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 387#L578-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret28#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 418#L604-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 419#L553-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 499#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 500#L946 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 455#L946-1 havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 496#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 497#L744-2 [2024-11-19 14:57:15,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:15,047 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-19 14:57:15,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:15,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284597315] [2024-11-19 14:57:15,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:57:15,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:15,055 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:57:15,056 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:57:15,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:15,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:15,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:15,063 INFO L85 PathProgramCache]: Analyzing trace with hash -699197063, now seen corresponding path program 1 times [2024-11-19 14:57:15,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:15,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424848647] [2024-11-19 14:57:15,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:15,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:57:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:57:15,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:57:15,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424848647] [2024-11-19 14:57:15,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424848647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:57:15,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:57:15,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:57:15,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211470090] [2024-11-19 14:57:15,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:57:15,083 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:57:15,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:57:15,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:57:15,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:57:15,084 INFO L87 Difference]: Start difference. First operand 171 states and 226 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-19 14:57:15,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:57:15,222 INFO L93 Difference]: Finished difference Result 235 states and 300 transitions. [2024-11-19 14:57:15,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 235 states and 300 transitions. [2024-11-19 14:57:15,223 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 162 [2024-11-19 14:57:15,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 235 states to 235 states and 300 transitions. [2024-11-19 14:57:15,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 235 [2024-11-19 14:57:15,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 235 [2024-11-19 14:57:15,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 235 states and 300 transitions. [2024-11-19 14:57:15,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:57:15,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 235 states and 300 transitions. [2024-11-19 14:57:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states and 300 transitions. [2024-11-19 14:57:15,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-11-19 14:57:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 235 states have (on average 1.2765957446808511) internal successors, (300), 234 states have internal predecessors, (300), 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) [2024-11-19 14:57:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 300 transitions. [2024-11-19 14:57:15,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 235 states and 300 transitions. [2024-11-19 14:57:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:57:15,248 INFO L425 stractBuchiCegarLoop]: Abstraction has 235 states and 300 transitions. [2024-11-19 14:57:15,248 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:57:15,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 235 states and 300 transitions. [2024-11-19 14:57:15,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 162 [2024-11-19 14:57:15,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:15,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:15,251 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:15,251 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, 1, 1, 1, 1, 1] [2024-11-19 14:57:15,251 INFO L745 eck$LassoCheckResult]: Stem: 851#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 852#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 843#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 844#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 954#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 949#L517 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 924#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; 925#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 909#L744-2 [2024-11-19 14:57:15,251 INFO L747 eck$LassoCheckResult]: Loop: 909#L744-2 assume !false; 936#L745 assume test_~splverifierCounter~0#1 < 4; 937#L746 havoc test_#t~nondet41#1;test_~tmp~8#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 808#L754 assume !(0 != test_~tmp~8#1); 810#L754-2 havoc test_#t~nondet42#1;test_~tmp___0~1#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 915#L764 assume !(0 != test_~tmp___0~1#1); 956#L764-2 havoc test_#t~nondet43#1;test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 952#L774 assume 0 != test_~tmp___2~0#1; 805#L780-2 assume { :begin_inline_timeShift } true; 868#L546 assume !(0 != ~pumpRunning~0); 869#L546-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 884#L604 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret28#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 893#L578-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret40#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 873#L883-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 874#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret40#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret40#1;havoc isHighWaterLevel_#t~ret40#1; 833#L723-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~0#1 := 0; 834#L723-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 955#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret28#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret40#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret28#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret28#1; 870#L582-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 872#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 828#L578-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret28#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 829#L604-1 havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 830#L553-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 911#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 912#L946 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 866#L946-1 havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 908#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 909#L744-2 [2024-11-19 14:57:15,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:15,252 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-19 14:57:15,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:15,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541643609] [2024-11-19 14:57:15,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:57:15,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:15,261 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:57:15,265 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:57:15,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:15,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:15,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:15,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1287858961, now seen corresponding path program 1 times [2024-11-19 14:57:15,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:15,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356499662] [2024-11-19 14:57:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:15,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:15,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:15,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:15,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:15,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1458634376, now seen corresponding path program 1 times [2024-11-19 14:57:15,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:15,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260149767] [2024-11-19 14:57:15,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:15,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:15,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:15,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:16,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:16,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:57:16 BoogieIcfgContainer [2024-11-19 14:57:16,100 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:57:16,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:57:16,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:57:16,101 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:57:16,103 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:14" (3/4) ... [2024-11-19 14:57:16,104 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:57:16,154 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:57:16,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:57:16,155 INFO L158 Benchmark]: Toolchain (without parser) took 2898.36ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 55.8MB in the beginning and 83.9MB in the end (delta: -28.1MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-19 14:57:16,158 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:57:16,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.74ms. Allocated memory is still 113.2MB. Free memory was 55.8MB in the beginning and 72.1MB in the end (delta: -16.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-19 14:57:16,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.29ms. Allocated memory is still 113.2MB. Free memory was 72.1MB in the beginning and 68.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:57:16,159 INFO L158 Benchmark]: Boogie Preprocessor took 64.47ms. Allocated memory is still 113.2MB. Free memory was 68.3MB in the beginning and 64.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:57:16,159 INFO L158 Benchmark]: RCFGBuilder took 570.25ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 64.5MB in the beginning and 140.3MB in the end (delta: -75.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-19 14:57:16,159 INFO L158 Benchmark]: BuchiAutomizer took 1758.90ms. Allocated memory is still 182.5MB. Free memory was 139.9MB in the beginning and 87.1MB in the end (delta: 52.8MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-19 14:57:16,159 INFO L158 Benchmark]: Witness Printer took 53.77ms. Allocated memory is still 182.5MB. Free memory was 87.1MB in the beginning and 83.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:57:16,160 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 113.2MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.74ms. Allocated memory is still 113.2MB. Free memory was 55.8MB in the beginning and 72.1MB in the end (delta: -16.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.29ms. Allocated memory is still 113.2MB. Free memory was 72.1MB in the beginning and 68.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.47ms. Allocated memory is still 113.2MB. Free memory was 68.3MB in the beginning and 64.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 570.25ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 64.5MB in the beginning and 140.3MB in the end (delta: -75.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1758.90ms. Allocated memory is still 182.5MB. Free memory was 139.9MB in the beginning and 87.1MB in the end (delta: 52.8MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Witness Printer took 53.77ms. Allocated memory is still 182.5MB. Free memory was 87.1MB in the beginning and 83.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [424] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [530] - GenericResultAtLocation [Line: 733]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [733] - GenericResultAtLocation [Line: 798]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [798] - GenericResultAtLocation [Line: 893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] - GenericResultAtLocation [Line: 928]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [928] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 235 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 623 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 623 mSDsluCounter, 997 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 555 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 442 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 744]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int cleanupTimeShifts = 4; [L538] int pumpRunning = 0; [L539] int systemActive = 1; [L800] int waterLevel = 1; [L801] int methaneLevelCritical = 0; [L929] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L515] RET, EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L498] CALL __utac_acc__Specification2_spec__1() [L934] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L498] RET __utac_acc__Specification2_spec__1() [L499] CALL test() [L735] int splverifierCounter ; [L736] int tmp ; [L737] int tmp___0 ; [L738] int tmp___1 ; [L739] int tmp___2 ; [L742] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L744] COND TRUE 1 [L746] COND TRUE splverifierCounter < 4 [L752] tmp = __VERIFIER_nondet_int() [L754] COND FALSE !(\read(tmp)) [L762] tmp___0 = __VERIFIER_nondet_int() [L764] COND FALSE !(\read(tmp___0)) [L772] tmp___2 = __VERIFIER_nondet_int() [L774] COND TRUE \read(tmp___2) [L787] CALL timeShift() [L546] COND FALSE !(\read(pumpRunning)) [L553] COND TRUE \read(systemActive) [L555] CALL processEnvironment() [L601] int tmp ; [L604] COND FALSE !(\read(pumpRunning)) [L619] CALL processEnvironment__wrappee__methaneQuery() [L575] int tmp ; [L578] COND TRUE ! pumpRunning [L580] CALL, EXPR isHighWaterLevel() [L715] int retValue_acc ; [L716] int tmp ; [L717] int tmp___0 ; [L721] CALL, EXPR isHighWaterSensorDry() [L880] int retValue_acc ; [L883] COND TRUE waterLevel < 2 [L884] retValue_acc = 1 [L885] return (retValue_acc); [L721] RET, EXPR isHighWaterSensorDry() [L721] tmp = isHighWaterSensorDry() [L723] COND TRUE \read(tmp) [L724] tmp___0 = 0 [L728] retValue_acc = tmp___0 [L729] return (retValue_acc); [L580] RET, EXPR isHighWaterLevel() [L580] tmp = isHighWaterLevel() [L582] COND FALSE !(\read(tmp)) [L588] FCALL processEnvironment__wrappee__base() [L619] RET processEnvironment__wrappee__methaneQuery() [L555] RET processEnvironment() [L561] CALL __utac_acc__Specification2_spec__2() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR isMethaneLevelCritical() [L839] int retValue_acc ; [L842] retValue_acc = methaneLevelCritical [L843] return (retValue_acc); [L944] RET, EXPR isMethaneLevelCritical() [L944] tmp = isMethaneLevelCritical() [L946] COND FALSE !(\read(tmp)) [L962] methAndRunningLastTime = 0 [L561] RET __utac_acc__Specification2_spec__2() [L787] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 744]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int cleanupTimeShifts = 4; [L538] int pumpRunning = 0; [L539] int systemActive = 1; [L800] int waterLevel = 1; [L801] int methaneLevelCritical = 0; [L929] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L515] RET, EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L498] CALL __utac_acc__Specification2_spec__1() [L934] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L498] RET __utac_acc__Specification2_spec__1() [L499] CALL test() [L735] int splverifierCounter ; [L736] int tmp ; [L737] int tmp___0 ; [L738] int tmp___1 ; [L739] int tmp___2 ; [L742] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L744] COND TRUE 1 [L746] COND TRUE splverifierCounter < 4 [L752] tmp = __VERIFIER_nondet_int() [L754] COND FALSE !(\read(tmp)) [L762] tmp___0 = __VERIFIER_nondet_int() [L764] COND FALSE !(\read(tmp___0)) [L772] tmp___2 = __VERIFIER_nondet_int() [L774] COND TRUE \read(tmp___2) [L787] CALL timeShift() [L546] COND FALSE !(\read(pumpRunning)) [L553] COND TRUE \read(systemActive) [L555] CALL processEnvironment() [L601] int tmp ; [L604] COND FALSE !(\read(pumpRunning)) [L619] CALL processEnvironment__wrappee__methaneQuery() [L575] int tmp ; [L578] COND TRUE ! pumpRunning [L580] CALL, EXPR isHighWaterLevel() [L715] int retValue_acc ; [L716] int tmp ; [L717] int tmp___0 ; [L721] CALL, EXPR isHighWaterSensorDry() [L880] int retValue_acc ; [L883] COND TRUE waterLevel < 2 [L884] retValue_acc = 1 [L885] return (retValue_acc); [L721] RET, EXPR isHighWaterSensorDry() [L721] tmp = isHighWaterSensorDry() [L723] COND TRUE \read(tmp) [L724] tmp___0 = 0 [L728] retValue_acc = tmp___0 [L729] return (retValue_acc); [L580] RET, EXPR isHighWaterLevel() [L580] tmp = isHighWaterLevel() [L582] COND FALSE !(\read(tmp)) [L588] FCALL processEnvironment__wrappee__base() [L619] RET processEnvironment__wrappee__methaneQuery() [L555] RET processEnvironment() [L561] CALL __utac_acc__Specification2_spec__2() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR isMethaneLevelCritical() [L839] int retValue_acc ; [L842] retValue_acc = methaneLevelCritical [L843] return (retValue_acc); [L944] RET, EXPR isMethaneLevelCritical() [L944] tmp = isMethaneLevelCritical() [L946] COND FALSE !(\read(tmp)) [L962] methAndRunningLastTime = 0 [L561] RET __utac_acc__Specification2_spec__2() [L787] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:57:16,185 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)