./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_spec5_product14.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_spec5_product14.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 37bdd92631e81c01c51ebd807d460322f5c06468d29e758a509cd7d583a377da --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:40:43,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:40:43,828 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:40:43,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:40:43,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:40:43,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:40:43,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:40:43,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:40:43,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:40:43,867 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:40:43,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:40:43,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:40:43,868 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:40:43,869 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:40:43,869 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:40:43,869 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:40:43,870 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:40:43,870 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:40:43,871 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:40:43,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:40:43,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:40:43,872 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:40:43,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:40:43,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:40:43,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:40:43,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:40:43,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:40:43,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:40:43,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:40:43,876 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:40:43,876 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:40:43,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:40:43,877 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:40:43,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:40:43,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:40:43,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:40:43,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:40:43,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:40:43,890 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:40:43,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37bdd92631e81c01c51ebd807d460322f5c06468d29e758a509cd7d583a377da [2024-10-13 17:40:44,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:40:44,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:40:44,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:40:44,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:40:44,170 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:40:44,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2024-10-13 17:40:45,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:40:45,932 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:40:45,932 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2024-10-13 17:40:45,946 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f3786bd/dd09713ce48b40d6bb4f579d6ac8472a/FLAG29576fc23 [2024-10-13 17:40:45,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f3786bd/dd09713ce48b40d6bb4f579d6ac8472a [2024-10-13 17:40:45,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:40:45,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:40:45,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:40:45,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:40:45,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:40:45,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:45" (1/1) ... [2024-10-13 17:40:45,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3028757b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:45, skipping insertion in model container [2024-10-13 17:40:45,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:45" (1/1) ... [2024-10-13 17:40:46,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:40:46,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:40:46,295 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:40:46,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-10-13 17:40:46,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] [2024-10-13 17:40:46,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] [2024-10-13 17:40:46,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] [2024-10-13 17:40:46,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] [2024-10-13 17:40:46,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] [2024-10-13 17:40:46,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] [2024-10-13 17:40:46,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] [2024-10-13 17:40:46,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:40:46,419 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:40:46,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46 WrapperNode [2024-10-13 17:40:46,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:40:46,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:40:46,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:40:46,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:40:46,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,475 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 58, statements flattened = 352 [2024-10-13 17:40:46,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:40:46,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:40:46,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:40:46,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:40:46,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,496 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,510 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 17:40:46,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:40:46,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:40:46,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:40:46,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:40:46,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:40:46,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:40:46,573 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 17:40:46,579 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 17:40:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:40:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:40:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:40:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:40:46,694 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:40:46,696 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:40:46,971 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-10-13 17:40:46,971 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:40:46,987 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:40:46,987 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:40:46,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:46 BoogieIcfgContainer [2024-10-13 17:40:46,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:40:46,988 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:40:46,989 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:40:46,997 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:40:46,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:46,999 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:40:45" (1/3) ... [2024-10-13 17:40:47,000 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5eb36184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:40:46, skipping insertion in model container [2024-10-13 17:40:47,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:47,000 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (2/3) ... [2024-10-13 17:40:47,000 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5eb36184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:40:47, skipping insertion in model container [2024-10-13 17:40:47,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:47,000 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:46" (3/3) ... [2024-10-13 17:40:47,003 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2024-10-13 17:40:47,061 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:40:47,062 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:40:47,063 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:40:47,063 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:40:47,063 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:40:47,063 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:40:47,063 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:40:47,064 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:40:47,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 109 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 17:40:47,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-10-13 17:40:47,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:47,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:47,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:47,107 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 17:40:47,107 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:40:47,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 109 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 17:40:47,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-10-13 17:40:47,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:47,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:47,115 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:47,115 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 17:40:47,120 INFO L745 eck$LassoCheckResult]: Stem: 21#$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);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 16#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 72#valid_product_returnLabel#1true main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 46#L193true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 64#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 98#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 101#L830-2true [2024-10-13 17:40:47,121 INFO L747 eck$LassoCheckResult]: Loop: 101#L830-2true assume !false; 73#L831true assume test_~splverifierCounter~0#1 < 4; 4#L832true havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 84#L840true assume !(0 != test_~tmp~7#1); 58#L840-2true havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 102#L850true assume !(0 != test_~tmp___0~1#1); 111#L850-2true havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 89#L860true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet50#1;test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 20#L868true assume 0 != test_~tmp___1~0#1; 15#L868-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 94#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 66#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 13#L589true assume !(0 != ~pumpRunning~0); 110#L589-2true assume !(0 != ~systemActive~0); 71#L596-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 54#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 12#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 96#L80-1true havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 55#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 101#L830-2true [2024-10-13 17:40:47,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,127 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-10-13 17:40:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891852768] [2024-10-13 17:40:47,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:47,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,269 INFO L85 PathProgramCache]: Analyzing trace with hash -884132146, now seen corresponding path program 1 times [2024-10-13 17:40:47,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417650242] [2024-10-13 17:40:47,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:47,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,293 INFO L85 PathProgramCache]: Analyzing trace with hash 545616197, now seen corresponding path program 1 times [2024-10-13 17:40:47,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232804880] [2024-10-13 17:40:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:40:47,561 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 17:40:47,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:40:47,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232804880] [2024-10-13 17:40:47,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232804880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:40:47,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:40:47,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:40:47,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650860146] [2024-10-13 17:40:47,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:40:47,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:40:47,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 17:40:47,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 17:40:47,753 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 109 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 17:40:47,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:40:47,833 INFO L93 Difference]: Finished difference Result 104 states and 129 transitions. [2024-10-13 17:40:47,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 129 transitions. [2024-10-13 17:40:47,838 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2024-10-13 17:40:47,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 94 states and 119 transitions. [2024-10-13 17:40:47,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2024-10-13 17:40:47,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2024-10-13 17:40:47,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 119 transitions. [2024-10-13 17:40:47,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:40:47,846 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 119 transitions. [2024-10-13 17:40:47,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 119 transitions. [2024-10-13 17:40:47,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-10-13 17:40:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 93 states have internal predecessors, (119), 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 17:40:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2024-10-13 17:40:47,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 119 transitions. [2024-10-13 17:40:47,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:40:47,879 INFO L425 stractBuchiCegarLoop]: Abstraction has 94 states and 119 transitions. [2024-10-13 17:40:47,880 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:40:47,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 119 transitions. [2024-10-13 17:40:47,881 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2024-10-13 17:40:47,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:47,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:47,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:47,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:47,883 INFO L745 eck$LassoCheckResult]: Stem: 285#$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);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 286#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 272#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 273#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 264#valid_product_returnLabel#1 main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 265#L193 assume 0 != main_~tmp~1#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__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 233#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 314#L830-2 [2024-10-13 17:40:47,883 INFO L747 eck$LassoCheckResult]: Loop: 314#L830-2 assume !false; 266#L831 assume test_~splverifierCounter~0#1 < 4; 234#L832 havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 235#L840 assume !(0 != test_~tmp~7#1); 243#L840-2 havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 318#L850 assume !(0 != test_~tmp___0~1#1); 319#L850-2 havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 299#L860 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet50#1;test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 282#L868 assume 0 != test_~tmp___1~0#1; 268#L868-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 269#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 256#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 253#L589 assume !(0 != ~pumpRunning~0); 255#L589-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 325#L621 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 315#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 290#L621-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 262#L596-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 263#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 250#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 252#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 309#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 314#L830-2 [2024-10-13 17:40:47,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,884 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-10-13 17:40:47,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814672178] [2024-10-13 17:40:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:47,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1511101007, now seen corresponding path program 1 times [2024-10-13 17:40:47,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6533504] [2024-10-13 17:40:47,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:47,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1068889126, now seen corresponding path program 1 times [2024-10-13 17:40:47,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555682699] [2024-10-13 17:40:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:40:48,043 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 17:40:48,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:40:48,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555682699] [2024-10-13 17:40:48,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555682699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:40:48,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:40:48,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:40:48,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378920599] [2024-10-13 17:40:48,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:40:48,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:40:48,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 17:40:48,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 17:40:48,135 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 17:40:48,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:40:48,247 INFO L93 Difference]: Finished difference Result 179 states and 225 transitions. [2024-10-13 17:40:48,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 179 states and 225 transitions. [2024-10-13 17:40:48,250 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2024-10-13 17:40:48,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 179 states to 179 states and 225 transitions. [2024-10-13 17:40:48,257 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2024-10-13 17:40:48,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2024-10-13 17:40:48,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 225 transitions. [2024-10-13 17:40:48,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:40:48,259 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 225 transitions. [2024-10-13 17:40:48,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 225 transitions. [2024-10-13 17:40:48,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-10-13 17:40:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 179 states have (on average 1.2569832402234637) internal successors, (225), 178 states have internal predecessors, (225), 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 17:40:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 225 transitions. [2024-10-13 17:40:48,275 INFO L240 hiAutomatonCegarLoop]: Abstraction has 179 states and 225 transitions. [2024-10-13 17:40:48,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:40:48,279 INFO L425 stractBuchiCegarLoop]: Abstraction has 179 states and 225 transitions. [2024-10-13 17:40:48,280 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:40:48,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 225 transitions. [2024-10-13 17:40:48,282 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2024-10-13 17:40:48,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:48,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:48,284 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:48,284 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:48,285 INFO L745 eck$LassoCheckResult]: Stem: 571#$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);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 572#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 558#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 559#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 550#valid_product_returnLabel#1 main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 551#L193 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 519#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 520#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 607#L830-2 [2024-10-13 17:40:48,285 INFO L747 eck$LassoCheckResult]: Loop: 607#L830-2 assume !false; 552#L831 assume test_~splverifierCounter~0#1 < 4; 521#L832 havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 522#L840 assume !(0 != test_~tmp~7#1); 581#L840-2 havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 614#L850 assume !(0 != test_~tmp___0~1#1); 616#L850-2 havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 589#L860 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet50#1;test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 568#L868 assume 0 != test_~tmp___1~0#1; 554#L868-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 555#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 542#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 539#L589 assume !(0 != ~pumpRunning~0); 541#L589-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 628#L621 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 608#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 576#L621-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 548#L596-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 549#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 537#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 538#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 606#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 585#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 602#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 607#L830-2 [2024-10-13 17:40:48,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:48,286 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-10-13 17:40:48,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:48,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927214951] [2024-10-13 17:40:48,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:48,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:48,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:48,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:48,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:48,307 INFO L85 PathProgramCache]: Analyzing trace with hash -490127060, now seen corresponding path program 1 times [2024-10-13 17:40:48,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:48,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205033166] [2024-10-13 17:40:48,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:48,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:48,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:48,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:48,331 INFO L85 PathProgramCache]: Analyzing trace with hash -726271723, now seen corresponding path program 1 times [2024-10-13 17:40:48,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:48,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34063120] [2024-10-13 17:40:48,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:48,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:48,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:48,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:49,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:49,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:40:49 BoogieIcfgContainer [2024-10-13 17:40:49,303 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:40:49,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:40:49,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:40:49,304 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:40:49,304 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:46" (3/4) ... [2024-10-13 17:40:49,305 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:40:49,356 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:40:49,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:40:49,361 INFO L158 Benchmark]: Toolchain (without parser) took 3396.53ms. Allocated memory was 180.4MB in the beginning and 249.6MB in the end (delta: 69.2MB). Free memory was 122.7MB in the beginning and 154.0MB in the end (delta: -31.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-10-13 17:40:49,361 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 180.4MB. Free memory was 145.5MB in the beginning and 145.2MB in the end (delta: 285.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:40:49,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.04ms. Allocated memory is still 180.4MB. Free memory was 122.7MB in the beginning and 102.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 17:40:49,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.57ms. Allocated memory is still 180.4MB. Free memory was 102.1MB in the beginning and 99.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:49,363 INFO L158 Benchmark]: Boogie Preprocessor took 51.07ms. Allocated memory is still 180.4MB. Free memory was 99.2MB in the beginning and 96.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:49,364 INFO L158 Benchmark]: RCFGBuilder took 456.95ms. Allocated memory is still 180.4MB. Free memory was 96.7MB in the beginning and 76.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 17:40:49,364 INFO L158 Benchmark]: BuchiAutomizer took 2314.53ms. Allocated memory was 180.4MB in the beginning and 249.6MB in the end (delta: 69.2MB). Free memory was 76.6MB in the beginning and 157.2MB in the end (delta: -80.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:40:49,364 INFO L158 Benchmark]: Witness Printer took 56.46ms. Allocated memory is still 249.6MB. Free memory was 157.2MB in the beginning and 154.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:49,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 180.4MB. Free memory was 145.5MB in the beginning and 145.2MB in the end (delta: 285.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.04ms. Allocated memory is still 180.4MB. Free memory was 122.7MB in the beginning and 102.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.57ms. Allocated memory is still 180.4MB. Free memory was 102.1MB in the beginning and 99.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.07ms. Allocated memory is still 180.4MB. Free memory was 99.2MB in the beginning and 96.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.95ms. Allocated memory is still 180.4MB. Free memory was 96.7MB in the beginning and 76.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2314.53ms. Allocated memory was 180.4MB in the beginning and 249.6MB in the end (delta: 69.2MB). Free memory was 76.6MB in the beginning and 157.2MB in the end (delta: -80.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.46ms. Allocated memory is still 249.6MB. Free memory was 157.2MB in the beginning and 154.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] - GenericResultAtLocation [Line: 206]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] - GenericResultAtLocation [Line: 739]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] - GenericResultAtLocation [Line: 819]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] - GenericResultAtLocation [Line: 886]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] * 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 179 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. 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, 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, 212 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 773 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 544 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 229 mSDtfsCounter, 83 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: 830]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L102] int cleanupTimeShifts = 4; [L376] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L579] int pumpRunning = 0; [L580] int systemActive = 1; [L740] int waterLevel = 1; [L741] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L184] int retValue_acc ; [L185] int tmp ; [L189] FCALL select_helpers() [L190] FCALL select_features() [L191] CALL, EXPR valid_product() [L913] int retValue_acc ; [L916] retValue_acc = 1 [L917] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L191] RET, EXPR valid_product() [L191] tmp = valid_product() [L193] COND TRUE \read(tmp) [L195] FCALL setup() [L196] CALL runTest() [L174] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L174] RET __utac_acc__Specification5_spec__1() [L175] CALL test() [L821] int splverifierCounter ; [L822] int tmp ; [L823] int tmp___0 ; [L824] int tmp___1 ; [L825] int tmp___2 ; [L828] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L830] COND TRUE 1 [L832] COND TRUE splverifierCounter < 4 [L838] tmp = __VERIFIER_nondet_int() [L840] COND FALSE !(\read(tmp)) [L848] tmp___0 = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp___0)) [L858] tmp___2 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___2)) [L866] tmp___1 = __VERIFIER_nondet_int() [L868] COND TRUE \read(tmp___1) [L875] CALL timeShift() [L587] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L587] RET __utac_acc__Specification5_spec__2() [L589] COND FALSE !(\read(pumpRunning)) [L596] COND TRUE \read(systemActive) [L598] CALL processEnvironment() [L618] int tmp ; [L621] COND FALSE !(\read(pumpRunning)) [L636] FCALL processEnvironment__wrappee__methaneQuery() [L598] RET processEnvironment() [L604] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L811] int retValue_acc ; [L814] retValue_acc = waterLevel [L815] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L604] RET __utac_acc__Specification5_spec__3() [L875] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 830]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L102] int cleanupTimeShifts = 4; [L376] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L579] int pumpRunning = 0; [L580] int systemActive = 1; [L740] int waterLevel = 1; [L741] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L184] int retValue_acc ; [L185] int tmp ; [L189] FCALL select_helpers() [L190] FCALL select_features() [L191] CALL, EXPR valid_product() [L913] int retValue_acc ; [L916] retValue_acc = 1 [L917] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L191] RET, EXPR valid_product() [L191] tmp = valid_product() [L193] COND TRUE \read(tmp) [L195] FCALL setup() [L196] CALL runTest() [L174] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L174] RET __utac_acc__Specification5_spec__1() [L175] CALL test() [L821] int splverifierCounter ; [L822] int tmp ; [L823] int tmp___0 ; [L824] int tmp___1 ; [L825] int tmp___2 ; [L828] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L830] COND TRUE 1 [L832] COND TRUE splverifierCounter < 4 [L838] tmp = __VERIFIER_nondet_int() [L840] COND FALSE !(\read(tmp)) [L848] tmp___0 = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp___0)) [L858] tmp___2 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___2)) [L866] tmp___1 = __VERIFIER_nondet_int() [L868] COND TRUE \read(tmp___1) [L875] CALL timeShift() [L587] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L587] RET __utac_acc__Specification5_spec__2() [L589] COND FALSE !(\read(pumpRunning)) [L596] COND TRUE \read(systemActive) [L598] CALL processEnvironment() [L618] int tmp ; [L621] COND FALSE !(\read(pumpRunning)) [L636] FCALL processEnvironment__wrappee__methaneQuery() [L598] RET processEnvironment() [L604] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L811] int retValue_acc ; [L814] retValue_acc = waterLevel [L815] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L604] RET __utac_acc__Specification5_spec__3() [L875] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:40:49,393 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)