./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.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_spec2_product17.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 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:38:39,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:38:39,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:38:39,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:38:39,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:38:39,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:38:39,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:38:39,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:38:39,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:38:39,273 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:38:39,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:38:39,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:38:39,275 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:38:39,276 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:38:39,278 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:38:39,278 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:38:39,284 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:38:39,285 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:38:39,285 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:38:39,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:38:39,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:38:39,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:38:39,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:38:39,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:38:39,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:38:39,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:38:39,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:38:39,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:38:39,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:38:39,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:38:39,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:38:39,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:38:39,290 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:38:39,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:38:39,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:38:39,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:38:39,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:38:39,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:38:39,292 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:38:39,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2024-10-13 17:38:39,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:38:39,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:38:39,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:38:39,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:38:39,573 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:38:39,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2024-10-13 17:38:40,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:38:41,233 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:38:41,234 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2024-10-13 17:38:41,246 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d921c86ad/e67751878dad4f7680556769cb0c606d/FLAG933ec35ee [2024-10-13 17:38:41,549 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d921c86ad/e67751878dad4f7680556769cb0c606d [2024-10-13 17:38:41,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:38:41,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:38:41,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:38:41,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:38:41,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:38:41,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:41,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5151db3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41, skipping insertion in model container [2024-10-13 17:38:41,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:41,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:38:41,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:38:41,897 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:38:41,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-10-13 17:38:41,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [145] [2024-10-13 17:38:41,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [212] [2024-10-13 17:38:41,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [369] [2024-10-13 17:38:41,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [407] [2024-10-13 17:38:41,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [416] [2024-10-13 17:38:41,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [782] [2024-10-13 17:38:41,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [821] [2024-10-13 17:38:41,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:38:41,990 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:38:41,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41 WrapperNode [2024-10-13 17:38:41,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:38:41,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:38:41,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:38:41,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:38:41,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,034 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 51, statements flattened = 343 [2024-10-13 17:38:42,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:38:42,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:38:42,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:38:42,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:38:42,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,063 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 17:38:42,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:38:42,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:38:42,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:38:42,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:38:42,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (1/1) ... [2024-10-13 17:38:42,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:38:42,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:38:42,125 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 17:38:42,131 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 17:38:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:38:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:38:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:38:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:38:42,256 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:38:42,258 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:38:42,604 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-10-13 17:38:42,604 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:38:42,618 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:38:42,619 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:38:42,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:38:42 BoogieIcfgContainer [2024-10-13 17:38:42,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:38:42,620 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:38:42,621 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:38:42,624 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:38:42,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:38:42,626 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:38:41" (1/3) ... [2024-10-13 17:38:42,627 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f92d0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:38:42, skipping insertion in model container [2024-10-13 17:38:42,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:38:42,628 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:41" (2/3) ... [2024-10-13 17:38:42,628 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f92d0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:38:42, skipping insertion in model container [2024-10-13 17:38:42,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:38:42,629 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:38:42" (3/3) ... [2024-10-13 17:38:42,631 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2024-10-13 17:38:42,699 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:38:42,700 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:38:42,700 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:38:42,700 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:38:42,701 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:38:42,701 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:38:42,701 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:38:42,701 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:38:42,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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 17:38:42,734 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-10-13 17:38:42,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:38:42,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:38:42,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:42,744 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 17:38:42,744 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:38:42,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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 17:38:42,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-10-13 17:38:42,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:38:42,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:38:42,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:42,758 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 17:38:42,763 INFO L745 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 23#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 90#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 75#valid_product_returnLabel#1true main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 100#L905true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 63#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; 89#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 14#L158-2true [2024-10-13 17:38:42,764 INFO L747 eck$LassoCheckResult]: Loop: 14#L158-2true assume !false; 67#L159true assume test_~splverifierCounter~0#1 < 4; 76#L160true havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 8#L168true assume !(0 != test_~tmp~0#1); 11#L168-2true havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 25#L178true assume !(0 != test_~tmp___0~0#1); 12#L178-2true havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 19#L188true assume 0 != test_~tmp___2~0#1; 105#L194-2true assume { :begin_inline_timeShift } true; 29#L225true assume !(0 != ~pumpRunning~0); 55#L225-2true assume !(0 != ~systemActive~0); 87#L232-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 101#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 17#L800true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 99#L800-1true havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 56#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 14#L158-2true [2024-10-13 17:38:42,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:42,773 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-10-13 17:38:42,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:42,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631929887] [2024-10-13 17:38:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:42,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:42,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:42,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:42,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:42,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1838322796, now seen corresponding path program 1 times [2024-10-13 17:38:42,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:42,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443668632] [2024-10-13 17:38:42,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:42,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:42,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:42,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:42,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:42,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1676035413, now seen corresponding path program 1 times [2024-10-13 17:38:42,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:42,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240759597] [2024-10-13 17:38:42,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:42,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:38:43,182 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 17:38:43,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:38:43,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240759597] [2024-10-13 17:38:43,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240759597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:38:43,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:38:43,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:38:43,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88233692] [2024-10-13 17:38:43,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:38:43,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:38:43,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 17:38:43,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 17:38:43,323 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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) [2024-10-13 17:38:43,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:38:43,400 INFO L93 Difference]: Finished difference Result 103 states and 131 transitions. [2024-10-13 17:38:43,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 131 transitions. [2024-10-13 17:38:43,407 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2024-10-13 17:38:43,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 93 states and 121 transitions. [2024-10-13 17:38:43,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2024-10-13 17:38:43,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2024-10-13 17:38:43,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 121 transitions. [2024-10-13 17:38:43,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:38:43,421 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-10-13 17:38:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 121 transitions. [2024-10-13 17:38:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-10-13 17:38:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 92 states have internal predecessors, (121), 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 17:38:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2024-10-13 17:38:43,449 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-10-13 17:38:43,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:38:43,454 INFO L425 stractBuchiCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-10-13 17:38:43,455 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:38:43,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 121 transitions. [2024-10-13 17:38:43,456 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2024-10-13 17:38:43,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:38:43,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:38:43,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:43,457 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 17:38:43,457 INFO L745 eck$LassoCheckResult]: Stem: 294#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 288#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 289#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 280#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 281#L905 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 232#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; 233#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 266#L158-2 [2024-10-13 17:38:43,457 INFO L747 eck$LassoCheckResult]: Loop: 266#L158-2 assume !false; 249#L159 assume test_~splverifierCounter~0#1 < 4; 250#L160 havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 238#L168 assume !(0 != test_~tmp~0#1); 240#L168-2 havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 262#L178 assume !(0 != test_~tmp___0~0#1); 237#L178-2 havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 263#L188 assume 0 != test_~tmp___2~0#1; 275#L194-2 assume { :begin_inline_timeShift } true; 304#L225 assume !(0 != ~pumpRunning~0); 277#L225-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 319#L257 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 243#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 244#L257-1 havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 299#L232-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 300#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 271#L800 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 260#L800-1 havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 313#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 266#L158-2 [2024-10-13 17:38:43,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:43,458 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-10-13 17:38:43,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:43,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369842038] [2024-10-13 17:38:43,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:43,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:43,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:43,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:43,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:43,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1043906093, now seen corresponding path program 1 times [2024-10-13 17:38:43,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:43,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241018137] [2024-10-13 17:38:43,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:43,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:43,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:43,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:43,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:43,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1821312860, now seen corresponding path program 1 times [2024-10-13 17:38:43,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:43,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237912001] [2024-10-13 17:38:43,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:43,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:43,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:43,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:44,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:44,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:38:44 BoogieIcfgContainer [2024-10-13 17:38:44,533 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:38:44,534 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:38:44,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:38:44,534 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:38:44,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:38:42" (3/4) ... [2024-10-13 17:38:44,537 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:38:44,599 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:38:44,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:38:44,600 INFO L158 Benchmark]: Toolchain (without parser) took 3047.66ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 102.7MB in the beginning and 98.2MB in the end (delta: 4.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-13 17:38:44,600 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:38:44,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.09ms. Allocated memory is still 134.2MB. Free memory was 102.4MB in the beginning and 81.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 17:38:44,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 134.2MB. Free memory was 81.9MB in the beginning and 79.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:38:44,601 INFO L158 Benchmark]: Boogie Preprocessor took 51.18ms. Allocated memory is still 134.2MB. Free memory was 79.3MB in the beginning and 76.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:38:44,601 INFO L158 Benchmark]: RCFGBuilder took 532.33ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 76.6MB in the beginning and 137.7MB in the end (delta: -61.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-10-13 17:38:44,601 INFO L158 Benchmark]: BuchiAutomizer took 1912.58ms. Allocated memory is still 169.9MB. Free memory was 137.7MB in the beginning and 100.3MB in the end (delta: 37.4MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-10-13 17:38:44,601 INFO L158 Benchmark]: Witness Printer took 65.64ms. Allocated memory is still 169.9MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:38:44,606 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 134.2MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.09ms. Allocated memory is still 134.2MB. Free memory was 102.4MB in the beginning and 81.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 134.2MB. Free memory was 81.9MB in the beginning and 79.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.18ms. Allocated memory is still 134.2MB. Free memory was 79.3MB in the beginning and 76.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 532.33ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 76.6MB in the beginning and 137.7MB in the end (delta: -61.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1912.58ms. Allocated memory is still 169.9MB. Free memory was 137.7MB in the beginning and 100.3MB in the end (delta: 37.4MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 65.64ms. Allocated memory is still 169.9MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [145] - GenericResultAtLocation [Line: 212]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [212] - GenericResultAtLocation [Line: 369]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [369] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [407] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [416] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [782] - GenericResultAtLocation [Line: 821]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [821] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 93 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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, 245 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 373 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 247 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 126 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 158]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L217] int pumpRunning = 0; [L218] int systemActive = 1; [L586] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int methAndRunningLastTime ; [L822] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int retValue_acc ; [L897] int tmp ; [L901] FCALL select_helpers() [L902] FCALL select_features() [L903] CALL, EXPR valid_product() [L399] int retValue_acc ; [L402] retValue_acc = 1 [L403] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] RET, EXPR valid_product() [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L907] FCALL setup() [L908] CALL runTest() [L889] CALL __utac_acc__Specification2_spec__1() [L788] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] RET __utac_acc__Specification2_spec__1() [L890] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L201] CALL timeShift() [L225] COND FALSE !(\read(pumpRunning)) [L232] COND TRUE \read(systemActive) [L234] CALL processEnvironment() [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L272] FCALL processEnvironment__wrappee__base() [L234] RET processEnvironment() [L240] CALL __utac_acc__Specification2_spec__2() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L798] RET, EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 [L240] RET __utac_acc__Specification2_spec__2() [L201] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 158]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L217] int pumpRunning = 0; [L218] int systemActive = 1; [L586] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int methAndRunningLastTime ; [L822] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int retValue_acc ; [L897] int tmp ; [L901] FCALL select_helpers() [L902] FCALL select_features() [L903] CALL, EXPR valid_product() [L399] int retValue_acc ; [L402] retValue_acc = 1 [L403] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] RET, EXPR valid_product() [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L907] FCALL setup() [L908] CALL runTest() [L889] CALL __utac_acc__Specification2_spec__1() [L788] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] RET __utac_acc__Specification2_spec__1() [L890] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L201] CALL timeShift() [L225] COND FALSE !(\read(pumpRunning)) [L232] COND TRUE \read(systemActive) [L234] CALL processEnvironment() [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L272] FCALL processEnvironment__wrappee__base() [L234] RET processEnvironment() [L240] CALL __utac_acc__Specification2_spec__2() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L798] RET, EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 [L240] RET __utac_acc__Specification2_spec__2() [L201] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:38:44,636 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)