./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_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product16.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 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:53:55,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:53:55,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-20 22:53:55,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:53:55,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:53:55,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:53:55,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:53:55,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:53:55,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:53:55,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:53:55,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:53:55,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:53:55,509 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:53:55,509 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:53:55,510 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:53:55,510 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:53:55,510 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:53:55,510 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:53:55,511 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:53:55,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:53:55,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:53:55,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 22:53:55,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:53:55,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 22:53:55,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:53:55,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:53:55,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:53:55,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:53:55,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:53:55,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:53:55,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 22:53:55,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:53:55,521 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:53:55,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:53:55,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:53:55,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:53:55,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:53:55,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:53:55,522 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:53:55,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 [2024-11-20 22:53:55,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:53:55,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:53:55,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:53:55,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:53:55,770 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:53:55,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2024-11-20 22:53:57,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:53:57,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:53:57,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2024-11-20 22:53:57,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7931b23b0/e354559423254880bd68fd0666ee358c/FLAG4496cfdd9 [2024-11-20 22:53:57,317 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7931b23b0/e354559423254880bd68fd0666ee358c [2024-11-20 22:53:57,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:53:57,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:53:57,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:53:57,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:53:57,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:53:57,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642c5fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57, skipping insertion in model container [2024-11-20 22:53:57,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:53:57,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:53:57,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:53:57,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-20 22:53:57,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [415] [2024-11-20 22:53:57,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [467] [2024-11-20 22:53:57,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [572] [2024-11-20 22:53:57,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] [2024-11-20 22:53:57,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [616] [2024-11-20 22:53:57,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [799] [2024-11-20 22:53:57,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] [2024-11-20 22:53:57,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:53:57,770 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:53:57,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57 WrapperNode [2024-11-20 22:53:57,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:53:57,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:53:57,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:53:57,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:53:57,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,847 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 60, statements flattened = 359 [2024-11-20 22:53:57,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:53:57,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:53:57,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:53:57,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:53:57,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,909 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 22:53:57,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:53:57,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:53:57,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:53:57,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:53:57,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (1/1) ... [2024-11-20 22:53:57,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:53:58,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:53:58,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:53:58,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-20 22:53:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 22:53:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 22:53:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:53:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:53:58,103 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:53:58,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:53:58,312 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-20 22:53:58,312 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:53:58,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:53:58,325 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 22:53:58,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:58 BoogieIcfgContainer [2024-11-20 22:53:58,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:53:58,326 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:53:58,326 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:53:58,329 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:53:58,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:53:58,330 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:53:57" (1/3) ... [2024-11-20 22:53:58,331 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@689c95cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:53:58, skipping insertion in model container [2024-11-20 22:53:58,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:53:58,331 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:57" (2/3) ... [2024-11-20 22:53:58,331 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@689c95cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:53:58, skipping insertion in model container [2024-11-20 22:53:58,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:53:58,332 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:58" (3/3) ... [2024-11-20 22:53:58,333 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product16.cil.c [2024-11-20 22:53:58,374 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:53:58,374 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:53:58,374 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:53:58,374 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:53:58,374 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:53:58,375 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:53:58,375 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:53:58,375 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:53:58,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.336283185840708) internal successors, (151), 113 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:53:58,395 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2024-11-20 22:53:58,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:53:58,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:53:58,401 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:58,401 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] [2024-11-20 22:53:58,401 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:53:58,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.336283185840708) internal successors, (151), 113 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:53:58,405 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2024-11-20 22:53:58,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:53:58,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:53:58,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:58,406 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] [2024-11-20 22:53:58,410 INFO L745 eck$LassoCheckResult]: Stem: 22#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 26#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 94#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 78#valid_product_returnLabel#1true main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 29#L559true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 62#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; 105#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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; 16#L810-2true [2024-11-20 22:53:58,412 INFO L747 eck$LassoCheckResult]: Loop: 16#L810-2true assume !false; 65#L811true assume test_~splverifierCounter~0#1 < 4; 72#L812true havoc test_#t~nondet43#1;test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 21#L820true assume !(0 != test_~tmp~7#1); 86#L820-2true havoc test_#t~nondet44#1;test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 89#L830true assume !(0 != test_~tmp___0~1#1); 108#L830-2true havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 90#L840true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet46#1;test_~tmp___1~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 32#L848true assume !(0 != test_~tmp___1~0#1); 34#L848-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 103#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 74#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 81#L634true assume !(0 != ~pumpRunning~0); 84#L634-2true assume !(0 != ~systemActive~0); 75#L641-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 54#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 96#L446true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 66#L446-1true havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#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; 16#L810-2true [2024-11-20 22:53:58,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:58,417 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-20 22:53:58,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:58,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276025444] [2024-11-20 22:53:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:58,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:58,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:58,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:58,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash 150593915, now seen corresponding path program 1 times [2024-11-20 22:53:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:58,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772262758] [2024-11-20 22:53:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:58,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:58,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:58,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:58,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1580342258, now seen corresponding path program 1 times [2024-11-20 22:53:58,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:58,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288253579] [2024-11-20 22:53:58,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:58,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:53:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:53:58,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:53:58,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288253579] [2024-11-20 22:53:58,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288253579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:53:58,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:53:58,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:53:58,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202791680] [2024-11-20 22:53:58,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:53:58,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:53:58,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 22:53:58,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 22:53:58,892 INFO L87 Difference]: Start difference. First operand has 114 states, 113 states have (on average 1.336283185840708) internal successors, (151), 113 states have internal predecessors, (151), 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) [2024-11-20 22:53:58,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:53:58,980 INFO L93 Difference]: Finished difference Result 280 states and 355 transitions. [2024-11-20 22:53:58,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 280 states and 355 transitions. [2024-11-20 22:53:58,986 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 181 [2024-11-20 22:53:58,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 280 states to 250 states and 325 transitions. [2024-11-20 22:53:58,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 250 [2024-11-20 22:53:58,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 250 [2024-11-20 22:53:58,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 250 states and 325 transitions. [2024-11-20 22:53:58,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:53:58,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 250 states and 325 transitions. [2024-11-20 22:53:59,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states and 325 transitions. [2024-11-20 22:53:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 159. [2024-11-20 22:53:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 158 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:53:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2024-11-20 22:53:59,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 159 states and 207 transitions. [2024-11-20 22:53:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 22:53:59,032 INFO L425 stractBuchiCegarLoop]: Abstraction has 159 states and 207 transitions. [2024-11-20 22:53:59,032 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:53:59,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 207 transitions. [2024-11-20 22:53:59,036 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 113 [2024-11-20 22:53:59,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:53:59,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:53:59,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:59,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:59,037 INFO L745 eck$LassoCheckResult]: Stem: 446#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 447#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 441#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 442#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 500#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 456#L559 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 457#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; 487#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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; 435#L810-2 [2024-11-20 22:53:59,037 INFO L747 eck$LassoCheckResult]: Loop: 435#L810-2 assume !false; 436#L811 assume test_~splverifierCounter~0#1 < 4; 490#L812 havoc test_#t~nondet43#1;test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 443#L820 assume !(0 != test_~tmp~7#1); 445#L820-2 havoc test_#t~nondet44#1;test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 504#L830 assume !(0 != test_~tmp___0~1#1); 505#L830-2 havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 506#L840 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 471#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 462#L848-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 464#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 496#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 497#L634 assume !(0 != ~pumpRunning~0); 501#L634-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 423#L666 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 425#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 468#L666-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 498#L641-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 479#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 480#L446 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 492#L446-1 havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 481#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 435#L810-2 [2024-11-20 22:53:59,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:59,038 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-20 22:53:59,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:59,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959627743] [2024-11-20 22:53:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:59,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:59,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:59,060 INFO L85 PathProgramCache]: Analyzing trace with hash 2102557789, now seen corresponding path program 1 times [2024-11-20 22:53:59,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:59,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024049898] [2024-11-20 22:53:59,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:59,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:59,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:59,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1750197626, now seen corresponding path program 1 times [2024-11-20 22:53:59,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:59,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066354700] [2024-11-20 22:53:59,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:59,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:53:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:53:59,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:53:59,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066354700] [2024-11-20 22:53:59,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066354700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:53:59,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:53:59,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:53:59,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894033726] [2024-11-20 22:53:59,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:53:59,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:53:59,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:53:59,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:53:59,338 INFO L87 Difference]: Start difference. First operand 159 states and 207 transitions. cyclomatic complexity: 51 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) [2024-11-20 22:53:59,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:53:59,473 INFO L93 Difference]: Finished difference Result 310 states and 400 transitions. [2024-11-20 22:53:59,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 310 states and 400 transitions. [2024-11-20 22:53:59,476 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 226 [2024-11-20 22:53:59,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 310 states to 310 states and 400 transitions. [2024-11-20 22:53:59,481 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 310 [2024-11-20 22:53:59,481 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 310 [2024-11-20 22:53:59,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 310 states and 400 transitions. [2024-11-20 22:53:59,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:53:59,485 INFO L218 hiAutomatonCegarLoop]: Abstraction has 310 states and 400 transitions. [2024-11-20 22:53:59,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states and 400 transitions. [2024-11-20 22:53:59,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 304. [2024-11-20 22:53:59,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 304 states have (on average 1.2763157894736843) internal successors, (388), 303 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:53:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 388 transitions. [2024-11-20 22:53:59,508 INFO L240 hiAutomatonCegarLoop]: Abstraction has 304 states and 388 transitions. [2024-11-20 22:53:59,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:53:59,509 INFO L425 stractBuchiCegarLoop]: Abstraction has 304 states and 388 transitions. [2024-11-20 22:53:59,509 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-20 22:53:59,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 304 states and 388 transitions. [2024-11-20 22:53:59,511 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 222 [2024-11-20 22:53:59,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:53:59,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:53:59,511 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:59,511 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] [2024-11-20 22:53:59,511 INFO L745 eck$LassoCheckResult]: Stem: 930#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 931#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 925#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 926#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1007#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 940#L559 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 941#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; 983#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#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; 919#L810-2 [2024-11-20 22:53:59,512 INFO L747 eck$LassoCheckResult]: Loop: 919#L810-2 assume !false; 920#L811 assume test_~splverifierCounter~0#1 < 4; 987#L812 havoc test_#t~nondet43#1;test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1127#L820 assume !(0 != test_~tmp~7#1); 1125#L820-2 havoc test_#t~nondet44#1;test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1123#L830 assume !(0 != test_~tmp___0~1#1); 1120#L830-2 havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 1121#L840 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 962#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 963#L848-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1129#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 1001#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1002#L634 assume !(0 != ~pumpRunning~0); 1080#L634-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 907#L666 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 909#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1026#L666-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1027#L641-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1117#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 1116#L446 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1115#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 1113#L450 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1112#L446-1 havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 976#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 919#L810-2 [2024-11-20 22:53:59,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:59,514 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-20 22:53:59,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:59,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142748375] [2024-11-20 22:53:59,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:59,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:59,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:59,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1902401080, now seen corresponding path program 1 times [2024-11-20 22:53:59,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:59,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742548824] [2024-11-20 22:53:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:59,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:59,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:59,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1666256417, now seen corresponding path program 1 times [2024-11-20 22:53:59,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:59,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313401321] [2024-11-20 22:53:59,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:59,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:59,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:54:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:54:00,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:54:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:54:00,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:54:00 BoogieIcfgContainer [2024-11-20 22:54:00,291 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:54:00,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:54:00,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:54:00,292 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:54:00,292 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:58" (3/4) ... [2024-11-20 22:54:00,294 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-20 22:54:00,332 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 22:54:00,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:54:00,332 INFO L158 Benchmark]: Toolchain (without parser) took 3010.18ms. Allocated memory was 176.2MB in the beginning and 283.1MB in the end (delta: 107.0MB). Free memory was 102.8MB in the beginning and 180.2MB in the end (delta: -77.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-20 22:54:00,333 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 129.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:54:00,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.71ms. Allocated memory is still 176.2MB. Free memory was 102.5MB in the beginning and 141.0MB in the end (delta: -38.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-20 22:54:00,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.01ms. Allocated memory is still 176.2MB. Free memory was 141.0MB in the beginning and 138.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:54:00,334 INFO L158 Benchmark]: Boogie Preprocessor took 107.24ms. Allocated memory is still 176.2MB. Free memory was 138.2MB in the beginning and 135.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:54:00,334 INFO L158 Benchmark]: RCFGBuilder took 365.95ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 115.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-20 22:54:00,334 INFO L158 Benchmark]: BuchiAutomizer took 1964.87ms. Allocated memory was 176.2MB in the beginning and 283.1MB in the end (delta: 107.0MB). Free memory was 115.2MB in the beginning and 183.3MB in the end (delta: -68.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-20 22:54:00,334 INFO L158 Benchmark]: Witness Printer took 40.33ms. Allocated memory is still 283.1MB. Free memory was 183.3MB in the beginning and 180.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 22:54:00,336 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 129.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.71ms. Allocated memory is still 176.2MB. Free memory was 102.5MB in the beginning and 141.0MB in the end (delta: -38.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.01ms. Allocated memory is still 176.2MB. Free memory was 141.0MB in the beginning and 138.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.24ms. Allocated memory is still 176.2MB. Free memory was 138.2MB in the beginning and 135.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.95ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 115.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1964.87ms. Allocated memory was 176.2MB in the beginning and 283.1MB in the end (delta: 107.0MB). Free memory was 115.2MB in the beginning and 183.3MB in the end (delta: -68.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 40.33ms. Allocated memory is still 283.1MB. Free memory was 183.3MB in the beginning and 180.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [415] - GenericResultAtLocation [Line: 467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [467] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [572] - GenericResultAtLocation [Line: 607]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [616] - GenericResultAtLocation [Line: 799]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [799] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] * 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 304 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 97 StatesRemovedByMinimization, 2 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, 330 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 1224 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 942 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 282 mSDtfsCounter, 114 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: 810]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int switchedOnBeforeTS ; [L468] int cleanupTimeShifts = 4; [L624] int pumpRunning = 0; [L625] int systemActive = 1; [L869] int waterLevel = 1; [L870] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L550] int retValue_acc ; [L551] int tmp ; [L555] FCALL select_helpers() [L556] FCALL select_features() [L557] CALL, EXPR valid_product() [L599] int retValue_acc ; [L602] retValue_acc = 1 [L603] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L557] RET, EXPR valid_product() [L557] tmp = valid_product() [L559] COND TRUE \read(tmp) [L561] FCALL setup() [L562] CALL runTest() [L540] CALL __utac_acc__Specification5_spec__1() [L424] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L540] RET __utac_acc__Specification5_spec__1() [L541] CALL test() [L801] int splverifierCounter ; [L802] int tmp ; [L803] int tmp___0 ; [L804] int tmp___1 ; [L805] int tmp___2 ; [L808] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L810] COND TRUE 1 [L812] COND TRUE splverifierCounter < 4 [L818] tmp = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp)) [L828] tmp___0 = __VERIFIER_nondet_int() [L830] COND FALSE !(\read(tmp___0)) [L838] tmp___2 = __VERIFIER_nondet_int() [L840] COND TRUE \read(tmp___2) [L842] CALL startSystem() [L795] systemActive = 1 [L842] RET startSystem() [L857] CALL timeShift() [L632] CALL __utac_acc__Specification5_spec__2() [L433] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L433] RET, EXPR isPumpRunning() [L433] switchedOnBeforeTS = isPumpRunning() [L632] RET __utac_acc__Specification5_spec__2() [L634] COND FALSE !(\read(pumpRunning)) [L641] COND TRUE \read(systemActive) [L643] CALL processEnvironment() [L663] int tmp ; [L666] COND FALSE !(\read(pumpRunning)) [L681] FCALL processEnvironment__wrappee__methaneQuery() [L643] RET processEnvironment() [L649] CALL __utac_acc__Specification5_spec__3() [L439] int tmp ; [L440] int tmp___0 ; [L444] CALL, EXPR getWaterLevel() [L940] int retValue_acc ; [L943] retValue_acc = waterLevel [L944] return (retValue_acc); [L444] RET, EXPR getWaterLevel() [L444] tmp = getWaterLevel() [L446] COND TRUE tmp != 2 [L448] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L448] RET, EXPR isPumpRunning() [L448] tmp___0 = isPumpRunning() [L450] COND FALSE !(\read(tmp___0)) [L649] RET __utac_acc__Specification5_spec__3() [L857] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 810]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int switchedOnBeforeTS ; [L468] int cleanupTimeShifts = 4; [L624] int pumpRunning = 0; [L625] int systemActive = 1; [L869] int waterLevel = 1; [L870] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L550] int retValue_acc ; [L551] int tmp ; [L555] FCALL select_helpers() [L556] FCALL select_features() [L557] CALL, EXPR valid_product() [L599] int retValue_acc ; [L602] retValue_acc = 1 [L603] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L557] RET, EXPR valid_product() [L557] tmp = valid_product() [L559] COND TRUE \read(tmp) [L561] FCALL setup() [L562] CALL runTest() [L540] CALL __utac_acc__Specification5_spec__1() [L424] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L540] RET __utac_acc__Specification5_spec__1() [L541] CALL test() [L801] int splverifierCounter ; [L802] int tmp ; [L803] int tmp___0 ; [L804] int tmp___1 ; [L805] int tmp___2 ; [L808] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L810] COND TRUE 1 [L812] COND TRUE splverifierCounter < 4 [L818] tmp = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp)) [L828] tmp___0 = __VERIFIER_nondet_int() [L830] COND FALSE !(\read(tmp___0)) [L838] tmp___2 = __VERIFIER_nondet_int() [L840] COND TRUE \read(tmp___2) [L842] CALL startSystem() [L795] systemActive = 1 [L842] RET startSystem() [L857] CALL timeShift() [L632] CALL __utac_acc__Specification5_spec__2() [L433] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L433] RET, EXPR isPumpRunning() [L433] switchedOnBeforeTS = isPumpRunning() [L632] RET __utac_acc__Specification5_spec__2() [L634] COND FALSE !(\read(pumpRunning)) [L641] COND TRUE \read(systemActive) [L643] CALL processEnvironment() [L663] int tmp ; [L666] COND FALSE !(\read(pumpRunning)) [L681] FCALL processEnvironment__wrappee__methaneQuery() [L643] RET processEnvironment() [L649] CALL __utac_acc__Specification5_spec__3() [L439] int tmp ; [L440] int tmp___0 ; [L444] CALL, EXPR getWaterLevel() [L940] int retValue_acc ; [L943] retValue_acc = waterLevel [L944] return (retValue_acc); [L444] RET, EXPR getWaterLevel() [L444] tmp = getWaterLevel() [L446] COND TRUE tmp != 2 [L448] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L448] RET, EXPR isPumpRunning() [L448] tmp___0 = isPumpRunning() [L450] COND FALSE !(\read(tmp___0)) [L649] RET __utac_acc__Specification5_spec__3() [L857] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-20 22:54:00,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)