./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_spec3_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product07.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 a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:39:13,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:39:14,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:39:14,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:39:14,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:39:14,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:39:14,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:39:14,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:39:14,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:39:14,062 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:39:14,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:39:14,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:39:14,063 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:39:14,063 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:39:14,063 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:39:14,064 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:39:14,064 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:39:14,069 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:39:14,069 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:39:14,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:39:14,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:39:14,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:39:14,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:39:14,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:39:14,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:39:14,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:39:14,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:39:14,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:39:14,075 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:39:14,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:39:14,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:39:14,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:39:14,076 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:39:14,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:39:14,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:39:14,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:39:14,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:39:14,077 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:39:14,077 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:39:14,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 [2024-10-13 17:39:14,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:39:14,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:39:14,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:39:14,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:39:14,419 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:39:14,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2024-10-13 17:39:15,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:39:15,897 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:39:15,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2024-10-13 17:39:15,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d3387e3/02e1a528451949b0819347d0eb8630aa/FLAGfd8bec6fb [2024-10-13 17:39:15,918 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d3387e3/02e1a528451949b0819347d0eb8630aa [2024-10-13 17:39:15,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:39:15,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:39:15,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:39:15,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:39:15,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:39:15,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:39:15" (1/1) ... [2024-10-13 17:39:15,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337a068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:15, skipping insertion in model container [2024-10-13 17:39:15,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:39:15" (1/1) ... [2024-10-13 17:39:15,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:39:16,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:39:16,173 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:39:16,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-10-13 17:39:16,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2024-10-13 17:39:16,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [96] [2024-10-13 17:39:16,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] [2024-10-13 17:39:16,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [563] [2024-10-13 17:39:16,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [600] [2024-10-13 17:39:16,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [753] [2024-10-13 17:39:16,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [820] [2024-10-13 17:39:16,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:39:16,229 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:39:16,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16 WrapperNode [2024-10-13 17:39:16,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:39:16,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:39:16,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:39:16,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:39:16,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,316 INFO L138 Inliner]: procedures = 51, calls = 96, calls flagged for inlining = 49, calls inlined = 55, statements flattened = 349 [2024-10-13 17:39:16,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:39:16,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:39:16,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:39:16,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:39:16,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,387 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 17:39:16,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:39:16,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:39:16,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:39:16,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:39:16,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (1/1) ... [2024-10-13 17:39:16,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:39:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:39:16,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:39:16,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-13 17:39:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:39:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:39:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:39:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:39:16,522 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:39:16,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:39:16,752 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-10-13 17:39:16,752 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:39:16,763 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:39:16,764 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:39:16,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:16 BoogieIcfgContainer [2024-10-13 17:39:16,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:39:16,765 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:39:16,765 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:39:16,768 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:39:16,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:16,769 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:39:15" (1/3) ... [2024-10-13 17:39:16,769 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@487f2ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:39:16, skipping insertion in model container [2024-10-13 17:39:16,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:16,770 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:39:16" (2/3) ... [2024-10-13 17:39:16,770 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@487f2ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:39:16, skipping insertion in model container [2024-10-13 17:39:16,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:39:16,770 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:16" (3/3) ... [2024-10-13 17:39:16,771 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2024-10-13 17:39:16,813 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:39:16,813 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:39:16,813 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:39:16,814 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:39:16,814 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:39:16,814 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:39:16,814 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:39:16,814 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:39:16,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:39:16,835 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-10-13 17:39:16,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:16,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:16,841 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:16,841 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:16,841 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:39:16,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:39:16,849 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-10-13 17:39:16,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:16,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:16,852 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:16,852 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:16,857 INFO L745 eck$LassoCheckResult]: Stem: 23#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 91#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 78#valid_product_returnLabel#1true main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 71#L184true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 62#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 83#L764-2true [2024-10-13 17:39:16,858 INFO L747 eck$LassoCheckResult]: Loop: 83#L764-2true assume !false; 75#L765true assume test_~splverifierCounter~0#1 < 4; 9#L766true havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 74#L774true assume !(0 != test_~tmp~6#1); 44#L774-2true havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 99#L784true assume !(0 != test_~tmp___0~1#1); 52#L784-2true havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 87#L794true assume 0 != test_~tmp___2~0#1; 79#L800-2true assume { :begin_inline_timeShift } true; 30#L613true assume !(0 != ~pumpRunning~0); 73#L613-2true assume !(0 != ~systemActive~0); 88#L620-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 58#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 76#L576true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 25#L582-1true havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 50#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 83#L764-2true [2024-10-13 17:39:16,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:16,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-13 17:39:16,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:16,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392248615] [2024-10-13 17:39:16,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:16,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:17,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:17,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1841882410, now seen corresponding path program 1 times [2024-10-13 17:39:17,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:17,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398018276] [2024-10-13 17:39:17,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:17,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:17,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:17,056 INFO L85 PathProgramCache]: Analyzing trace with hash -486463334, now seen corresponding path program 1 times [2024-10-13 17:39:17,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:17,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640932368] [2024-10-13 17:39:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:39:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:39:17,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:39:17,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640932368] [2024-10-13 17:39:17,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640932368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:39:17,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:39:17,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:39:17,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698125982] [2024-10-13 17:39:17,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:39:17,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:39:17,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 17:39:17,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 17:39:17,377 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:39:17,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:39:17,477 INFO L93 Difference]: Finished difference Result 269 states and 344 transitions. [2024-10-13 17:39:17,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 344 transitions. [2024-10-13 17:39:17,484 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2024-10-13 17:39:17,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 314 transitions. [2024-10-13 17:39:17,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2024-10-13 17:39:17,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2024-10-13 17:39:17,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 314 transitions. [2024-10-13 17:39:17,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:39:17,491 INFO L218 hiAutomatonCegarLoop]: Abstraction has 239 states and 314 transitions. [2024-10-13 17:39:17,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 314 transitions. [2024-10-13 17:39:17,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 151. [2024-10-13 17:39:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 150 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:39:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 199 transitions. [2024-10-13 17:39:17,520 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 199 transitions. [2024-10-13 17:39:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 17:39:17,524 INFO L425 stractBuchiCegarLoop]: Abstraction has 151 states and 199 transitions. [2024-10-13 17:39:17,524 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:39:17,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 199 transitions. [2024-10-13 17:39:17,526 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2024-10-13 17:39:17,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:17,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:17,527 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:17,527 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:17,527 INFO L745 eck$LassoCheckResult]: Stem: 463#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 464#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 452#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 453#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 443#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 428#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 400#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 401#L764-2 [2024-10-13 17:39:17,527 INFO L747 eck$LassoCheckResult]: Loop: 401#L764-2 assume !false; 436#L765 assume test_~splverifierCounter~0#1 < 4; 413#L766 havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 414#L774 assume !(0 != test_~tmp~6#1); 435#L774-2 havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 482#L784 assume !(0 != test_~tmp___0~1#1); 483#L784-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 466#L794 assume 0 != test_~tmp___2~0#1; 426#L800-2 assume { :begin_inline_timeShift } true; 446#L613 assume !(0 != ~pumpRunning~0); 429#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 430#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 409#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 410#L645-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 469#L620-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 470#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 437#L576 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 438#L582-1 havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 467#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 401#L764-2 [2024-10-13 17:39:17,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:17,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-13 17:39:17,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:17,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911188792] [2024-10-13 17:39:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:17,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:17,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1752598624, now seen corresponding path program 1 times [2024-10-13 17:39:17,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:17,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673491932] [2024-10-13 17:39:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:17,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:17,551 INFO L85 PathProgramCache]: Analyzing trace with hash 549544796, now seen corresponding path program 1 times [2024-10-13 17:39:17,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:17,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415409239] [2024-10-13 17:39:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:17,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:39:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:39:17,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:39:17,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415409239] [2024-10-13 17:39:17,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415409239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:39:17,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:39:17,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:39:17,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513970414] [2024-10-13 17:39:17,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:39:17,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:39:17,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 17:39:17,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 17:39:17,684 INFO L87 Difference]: Start difference. First operand 151 states and 199 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:39:17,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:39:17,767 INFO L93 Difference]: Finished difference Result 295 states and 383 transitions. [2024-10-13 17:39:17,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 383 transitions. [2024-10-13 17:39:17,769 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 216 [2024-10-13 17:39:17,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 295 states and 383 transitions. [2024-10-13 17:39:17,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 295 [2024-10-13 17:39:17,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 295 [2024-10-13 17:39:17,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 295 states and 383 transitions. [2024-10-13 17:39:17,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:39:17,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 295 states and 383 transitions. [2024-10-13 17:39:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states and 383 transitions. [2024-10-13 17:39:17,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-10-13 17:39:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 295 states have (on average 1.2983050847457627) internal successors, (383), 294 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:39:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 383 transitions. [2024-10-13 17:39:17,803 INFO L240 hiAutomatonCegarLoop]: Abstraction has 295 states and 383 transitions. [2024-10-13 17:39:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:39:17,806 INFO L425 stractBuchiCegarLoop]: Abstraction has 295 states and 383 transitions. [2024-10-13 17:39:17,806 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:39:17,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 383 transitions. [2024-10-13 17:39:17,808 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 216 [2024-10-13 17:39:17,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:39:17,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:39:17,809 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:39:17,809 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] [2024-10-13 17:39:17,809 INFO L745 eck$LassoCheckResult]: Stem: 927#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 928#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 915#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 916#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 905#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 890#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 860#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 861#L764-2 [2024-10-13 17:39:17,809 INFO L747 eck$LassoCheckResult]: Loop: 861#L764-2 assume !false; 898#L765 assume test_~splverifierCounter~0#1 < 4; 873#L766 havoc test_#t~nondet42#1;test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 874#L774 assume !(0 != test_~tmp~6#1); 897#L774-2 havoc test_#t~nondet43#1;test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1001#L784 assume !(0 != test_~tmp___0~1#1); 982#L784-2 havoc test_#t~nondet44#1;test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 931#L794 assume 0 != test_~tmp___2~0#1; 887#L800-2 assume { :begin_inline_timeShift } true; 942#L613 assume !(0 != ~pumpRunning~0); 891#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 892#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 989#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 954#L645-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 935#L620-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 936#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 900#L576 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 901#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1; 978#L582 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 932#L582-1 havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 933#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 861#L764-2 [2024-10-13 17:39:17,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:17,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-10-13 17:39:17,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:17,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820475067] [2024-10-13 17:39:17,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:17,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:17,834 INFO L85 PathProgramCache]: Analyzing trace with hash -618905707, now seen corresponding path program 1 times [2024-10-13 17:39:17,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:17,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817787915] [2024-10-13 17:39:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:17,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:17,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:39:17,866 INFO L85 PathProgramCache]: Analyzing trace with hash -167236527, now seen corresponding path program 1 times [2024-10-13 17:39:17,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:39:17,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560566152] [2024-10-13 17:39:17,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:39:17,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:39:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:17,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:39:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:18,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:39:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:39:18,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:39:18 BoogieIcfgContainer [2024-10-13 17:39:18,584 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:39:18,584 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:39:18,584 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:39:18,585 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:39:18,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:39:16" (3/4) ... [2024-10-13 17:39:18,586 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:39:18,640 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:39:18,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:39:18,641 INFO L158 Benchmark]: Toolchain (without parser) took 2718.96ms. Allocated memory was 184.5MB in the beginning and 295.7MB in the end (delta: 111.1MB). Free memory was 114.6MB in the beginning and 238.4MB in the end (delta: -123.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:39:18,641 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:39:18,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.01ms. Allocated memory is still 184.5MB. Free memory was 114.6MB in the beginning and 94.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 17:39:18,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.66ms. Allocated memory is still 184.5MB. Free memory was 94.1MB in the beginning and 156.8MB in the end (delta: -62.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-10-13 17:39:18,642 INFO L158 Benchmark]: Boogie Preprocessor took 84.75ms. Allocated memory is still 184.5MB. Free memory was 156.8MB in the beginning and 154.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:39:18,642 INFO L158 Benchmark]: RCFGBuilder took 360.13ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 134.2MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 17:39:18,642 INFO L158 Benchmark]: BuchiAutomizer took 1819.24ms. Allocated memory was 184.5MB in the beginning and 295.7MB in the end (delta: 111.1MB). Free memory was 134.2MB in the beginning and 240.5MB in the end (delta: -106.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-10-13 17:39:18,643 INFO L158 Benchmark]: Witness Printer took 55.68ms. Allocated memory is still 295.7MB. Free memory was 240.5MB in the beginning and 238.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:39:18,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.01ms. Allocated memory is still 184.5MB. Free memory was 114.6MB in the beginning and 94.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.66ms. Allocated memory is still 184.5MB. Free memory was 94.1MB in the beginning and 156.8MB in the end (delta: -62.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.75ms. Allocated memory is still 184.5MB. Free memory was 156.8MB in the beginning and 154.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 360.13ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 134.2MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1819.24ms. Allocated memory was 184.5MB in the beginning and 295.7MB in the end (delta: 111.1MB). Free memory was 134.2MB in the beginning and 240.5MB in the end (delta: -106.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Witness Printer took 55.68ms. Allocated memory is still 295.7MB. Free memory was 240.5MB in the beginning and 238.4MB 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,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [96] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [563] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [600] - GenericResultAtLocation [Line: 753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [753] - GenericResultAtLocation [Line: 820]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [820] * 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 295 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. 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, 88 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, 441 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 441 mSDsluCounter, 1006 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 768 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 238 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 764]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L97] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] int retValue_acc ; [L176] int tmp ; [L180] FCALL select_helpers() [L181] FCALL select_features() [L182] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L182] RET, EXPR valid_product() [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L186] FCALL setup() [L187] CALL runTest() [L169] CALL test() [L755] int splverifierCounter ; [L756] int tmp ; [L757] int tmp___0 ; [L758] int tmp___1 ; [L759] int tmp___2 ; [L762] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L764] COND TRUE 1 [L766] COND TRUE splverifierCounter < 4 [L772] tmp = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp)) [L782] tmp___0 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___0)) [L792] tmp___2 = __VERIFIER_nondet_int() [L794] COND TRUE \read(tmp___2) [L809] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND TRUE \read(systemActive) [L622] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] FCALL processEnvironment__wrappee__base() [L622] RET processEnvironment() [L628] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L628] RET __utac_acc__Specification3_spec__1() [L809] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 764]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] int retValue_acc ; [L176] int tmp ; [L180] FCALL select_helpers() [L181] FCALL select_features() [L182] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L182] RET, EXPR valid_product() [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L186] FCALL setup() [L187] CALL runTest() [L169] CALL test() [L755] int splverifierCounter ; [L756] int tmp ; [L757] int tmp___0 ; [L758] int tmp___1 ; [L759] int tmp___2 ; [L762] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L764] COND TRUE 1 [L766] COND TRUE splverifierCounter < 4 [L772] tmp = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp)) [L782] tmp___0 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___0)) [L792] tmp___2 = __VERIFIER_nondet_int() [L794] COND TRUE \read(tmp___2) [L809] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND TRUE \read(systemActive) [L622] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] FCALL processEnvironment__wrappee__base() [L622] RET processEnvironment() [L628] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L628] RET __utac_acc__Specification3_spec__1() [L809] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:39:18,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)