./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_spec1_product50.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_spec1_product50.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 7291fd5b9449f17989061ec30bdd7b74e8732c40c8095270267a47672f4a66be --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:51:27,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:51:27,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-20 22:51:27,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:51:27,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:51:27,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:51:27,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:51:27,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:51:27,569 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:51:27,570 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:51:27,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:51:27,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:51:27,572 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:51:27,572 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:51:27,574 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:51:27,574 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:51:27,575 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:51:27,575 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:51:27,575 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:51:27,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:51:27,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:51:27,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 22:51:27,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:51:27,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 22:51:27,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:51:27,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:51:27,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:51:27,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:51:27,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:51:27,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:51:27,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 22:51:27,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:51:27,579 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:51:27,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:51:27,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:51:27,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:51:27,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:51:27,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:51:27,580 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:51:27,580 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7291fd5b9449f17989061ec30bdd7b74e8732c40c8095270267a47672f4a66be [2024-11-20 22:51:27,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:51:27,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:51:27,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:51:27,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:51:27,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:51:27,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2024-11-20 22:51:29,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:51:29,354 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:51:29,355 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2024-11-20 22:51:29,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ada8ca7/0bec1807fceb431d8fc9281a25984b48/FLAGe3cf1f2fc [2024-11-20 22:51:29,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ada8ca7/0bec1807fceb431d8fc9281a25984b48 [2024-11-20 22:51:29,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:51:29,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:51:29,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:51:29,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:51:29,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:51:29,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340346a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29, skipping insertion in model container [2024-11-20 22:51:29,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:51:29,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:51:29,754 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:51:29,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-11-20 22:51:29,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [78] [2024-11-20 22:51:29,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [188] [2024-11-20 22:51:29,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] [2024-11-20 22:51:29,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [325] [2024-11-20 22:51:29,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [393] [2024-11-20 22:51:29,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [402] [2024-11-20 22:51:29,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [609] [2024-11-20 22:51:29,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:51:29,816 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:51:29,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29 WrapperNode [2024-11-20 22:51:29,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:51:29,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:51:29,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:51:29,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:51:29,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,864 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 81, statements flattened = 552 [2024-11-20 22:51:29,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:51:29,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:51:29,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:51:29,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:51:29,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,893 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 22:51:29,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:51:29,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:51:29,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:51:29,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:51:29,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (1/1) ... [2024-11-20 22:51:29,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:51:29,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:51:29,949 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 22:51:29,951 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 22:51:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 22:51:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 22:51:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:51:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:51:30,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:51:30,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:51:30,353 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-20 22:51:30,353 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:51:30,367 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:51:30,367 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 22:51:30,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:30 BoogieIcfgContainer [2024-11-20 22:51:30,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:51:30,369 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:51:30,369 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:51:30,372 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:51:30,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:51:30,372 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:51:29" (1/3) ... [2024-11-20 22:51:30,373 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c999463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:51:30, skipping insertion in model container [2024-11-20 22:51:30,373 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:51:30,373 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29" (2/3) ... [2024-11-20 22:51:30,373 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c999463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:51:30, skipping insertion in model container [2024-11-20 22:51:30,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:51:30,374 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:30" (3/3) ... [2024-11-20 22:51:30,376 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product50.cil.c [2024-11-20 22:51:30,431 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:51:30,432 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:51:30,432 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:51:30,432 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:51:30,433 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:51:30,433 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:51:30,433 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:51:30,433 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:51:30,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:51:30,462 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2024-11-20 22:51:30,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:51:30,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:51:30,471 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:51:30,471 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:51:30,471 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:51:30,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:51:30,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2024-11-20 22:51:30,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:51:30,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:51:30,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:51:30,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:51:30,486 INFO L745 eck$LassoCheckResult]: Stem: 37#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 126#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 112#valid_product_returnLabel#1true main_#t~ret11#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 160#L277true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 92#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 152#L337-2true [2024-11-20 22:51:30,486 INFO L747 eck$LassoCheckResult]: Loop: 152#L337-2true assume !false; 62#L338true assume test_~splverifierCounter~0#1 < 4; 162#L339true havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 141#L347true assume !(0 != test_~tmp~2#1); 85#L347-2true havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 70#L357true assume !(0 != test_~tmp___0~1#1); 130#L357-2true havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 18#L367true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 65#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 50#L375-2true assume { :begin_inline_timeShift } true; 73#L412true assume !(0 != ~pumpRunning~0); 58#L412-2true assume !(0 != ~systemActive~0); 157#L419-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 154#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 93#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 136#L61-1true havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 82#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 152#L337-2true [2024-11-20 22:51:30,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:51:30,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-20 22:51:30,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:51:30,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963261602] [2024-11-20 22:51:30,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:51:30,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:51:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:30,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:51:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:30,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:51:30,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:51:30,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1136061149, now seen corresponding path program 1 times [2024-11-20 22:51:30,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:51:30,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746512351] [2024-11-20 22:51:30,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:51:30,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:51:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:51:30,714 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 22:51:30,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:51:30,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746512351] [2024-11-20 22:51:30,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746512351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:51:30,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:51:30,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 22:51:30,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984867315] [2024-11-20 22:51:30,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:51:30,725 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-20 22:51:30,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:51:30,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 22:51:30,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 22:51:30,753 INFO L87 Difference]: Start difference. First operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:51:30,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:51:30,794 INFO L93 Difference]: Finished difference Result 160 states and 210 transitions. [2024-11-20 22:51:30,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 210 transitions. [2024-11-20 22:51:30,802 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-20 22:51:30,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 150 states and 199 transitions. [2024-11-20 22:51:30,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2024-11-20 22:51:30,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2024-11-20 22:51:30,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 199 transitions. [2024-11-20 22:51:30,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:51:30,812 INFO L218 hiAutomatonCegarLoop]: Abstraction has 150 states and 199 transitions. [2024-11-20 22:51:30,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 199 transitions. [2024-11-20 22:51:30,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-20 22:51:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 149 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:51:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 199 transitions. [2024-11-20 22:51:30,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 150 states and 199 transitions. [2024-11-20 22:51:30,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 22:51:30,877 INFO L425 stractBuchiCegarLoop]: Abstraction has 150 states and 199 transitions. [2024-11-20 22:51:30,878 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:51:30,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 199 transitions. [2024-11-20 22:51:30,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-20 22:51:30,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:51:30,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:51:30,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:51:30,882 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] [2024-11-20 22:51:30,882 INFO L745 eck$LassoCheckResult]: Stem: 393#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 388#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 389#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 470#valid_product_returnLabel#1 main_#t~ret11#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 471#L277 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 455#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 445#L337-2 [2024-11-20 22:51:30,882 INFO L747 eck$LassoCheckResult]: Loop: 445#L337-2 assume !false; 421#L338 assume test_~splverifierCounter~0#1 < 4; 422#L339 havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 480#L347 assume !(0 != test_~tmp~2#1); 450#L347-2 havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 431#L357 assume !(0 != test_~tmp___0~1#1); 432#L357-2 havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 362#L367 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet16#1;test_~tmp___1~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 360#L375 assume 0 != test_~tmp___1~0#1; 361#L375-2 assume { :begin_inline_timeShift } true; 408#L412 assume !(0 != ~pumpRunning~0); 419#L412-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 420#L470 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 368#L444-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 335#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 336#L444-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret17#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 341#L470-1 havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 463#L419-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 484#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 456#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 458#L61-1 havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 444#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 445#L337-2 [2024-11-20 22:51:30,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:51:30,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-20 22:51:30,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:51:30,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406835557] [2024-11-20 22:51:30,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:51:30,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:51:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:30,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:51:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:30,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:51:30,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:51:30,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1694291401, now seen corresponding path program 1 times [2024-11-20 22:51:30,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:51:30,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794865403] [2024-11-20 22:51:30,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:51:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:51:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:51:30,986 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 22:51:30,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:51:30,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794865403] [2024-11-20 22:51:30,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794865403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:51:30,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:51:30,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 22:51:30,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823209258] [2024-11-20 22:51:30,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:51:30,987 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-20 22:51:30,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:51:30,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 22:51:30,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 22:51:30,988 INFO L87 Difference]: Start difference. First operand 150 states and 199 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22:51:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:51:31,069 INFO L93 Difference]: Finished difference Result 206 states and 262 transitions. [2024-11-20 22:51:31,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 262 transitions. [2024-11-20 22:51:31,071 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2024-11-20 22:51:31,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 206 states and 262 transitions. [2024-11-20 22:51:31,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 206 [2024-11-20 22:51:31,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 206 [2024-11-20 22:51:31,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 262 transitions. [2024-11-20 22:51:31,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:51:31,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 206 states and 262 transitions. [2024-11-20 22:51:31,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 262 transitions. [2024-11-20 22:51:31,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-20 22:51:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 206 states have (on average 1.2718446601941749) internal successors, (262), 205 states have internal predecessors, (262), 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 22:51:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 262 transitions. [2024-11-20 22:51:31,087 INFO L240 hiAutomatonCegarLoop]: Abstraction has 206 states and 262 transitions. [2024-11-20 22:51:31,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 22:51:31,088 INFO L425 stractBuchiCegarLoop]: Abstraction has 206 states and 262 transitions. [2024-11-20 22:51:31,088 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-20 22:51:31,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 206 states and 262 transitions. [2024-11-20 22:51:31,089 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2024-11-20 22:51:31,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:51:31,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:51:31,090 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:51:31,090 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:51:31,090 INFO L745 eck$LassoCheckResult]: Stem: 752#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 753#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 747#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 748#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 836#valid_product_returnLabel#1 main_#t~ret11#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 837#L277 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 818#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 819#L337-2 [2024-11-20 22:51:31,090 INFO L747 eck$LassoCheckResult]: Loop: 819#L337-2 assume !false; 882#L338 assume test_~splverifierCounter~0#1 < 4; 856#L339 havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 849#L347 assume !(0 != test_~tmp~2#1); 813#L347-2 havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 794#L357 assume !(0 != test_~tmp___0~1#1); 795#L357-2 havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 721#L367 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 722#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 720#L375-2 assume { :begin_inline_timeShift } true; 768#L412 assume !(0 != ~pumpRunning~0); 778#L412-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 779#L470 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 727#L444-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret28#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 728#L169-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 764#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret28#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret28#1;havoc isHighWaterLevel_#t~ret28#1; 765#L572-3 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0; 847#L572-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 844#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret17#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret28#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret17#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17#1; 697#L448-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 698#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 759#L444-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret17#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 843#L470-1 havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 889#L419-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 888#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 886#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 884#L61-1 havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 883#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 819#L337-2 [2024-11-20 22:51:31,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:51:31,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-20 22:51:31,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:51:31,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169317131] [2024-11-20 22:51:31,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:51:31,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:51:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:31,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:51:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:31,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:51:31,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:51:31,106 INFO L85 PathProgramCache]: Analyzing trace with hash 691181090, now seen corresponding path program 1 times [2024-11-20 22:51:31,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:51:31,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79105768] [2024-11-20 22:51:31,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:51:31,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:51:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:31,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:51:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:31,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:51:31,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:51:31,131 INFO L85 PathProgramCache]: Analyzing trace with hash -559800858, now seen corresponding path program 1 times [2024-11-20 22:51:31,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:51:31,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459263652] [2024-11-20 22:51:31,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:51:31,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:51:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:31,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:51:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:31,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:51:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:31,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:51:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:51:31,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:51:31 BoogieIcfgContainer [2024-11-20 22:51:31,958 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:51:31,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:51:31,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:51:31,959 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:51:31,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:30" (3/4) ... [2024-11-20 22:51:31,965 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-20 22:51:32,020 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 22:51:32,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:51:32,021 INFO L158 Benchmark]: Toolchain (without parser) took 2641.38ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 78.6MB in the beginning and 143.4MB in the end (delta: -64.8MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-20 22:51:32,021 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:51:32,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.62ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 78.3MB in the beginning and 179.3MB in the end (delta: -100.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-20 22:51:32,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.65ms. Allocated memory is still 216.0MB. Free memory was 179.3MB in the beginning and 176.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 22:51:32,022 INFO L158 Benchmark]: Boogie Preprocessor took 45.34ms. Allocated memory is still 216.0MB. Free memory was 176.1MB in the beginning and 171.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 22:51:32,022 INFO L158 Benchmark]: RCFGBuilder took 452.82ms. Allocated memory is still 216.0MB. Free memory was 171.9MB in the beginning and 144.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-20 22:51:32,022 INFO L158 Benchmark]: BuchiAutomizer took 1589.68ms. Allocated memory is still 216.0MB. Free memory was 144.7MB in the beginning and 146.5MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:51:32,022 INFO L158 Benchmark]: Witness Printer took 61.73ms. Allocated memory is still 216.0MB. Free memory was 146.5MB in the beginning and 143.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:51:32,024 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 151.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.62ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 78.3MB in the beginning and 179.3MB in the end (delta: -100.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.65ms. Allocated memory is still 216.0MB. Free memory was 179.3MB in the beginning and 176.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.34ms. Allocated memory is still 216.0MB. Free memory was 176.1MB in the beginning and 171.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 452.82ms. Allocated memory is still 216.0MB. Free memory was 171.9MB in the beginning and 144.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1589.68ms. Allocated memory is still 216.0MB. Free memory was 144.7MB in the beginning and 146.5MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.73ms. Allocated memory is still 216.0MB. Free memory was 146.5MB in the beginning and 143.4MB 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [78] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [188] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] - GenericResultAtLocation [Line: 325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [325] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [393] - GenericResultAtLocation [Line: 402]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [402] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [609] * 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 3 locations. The remainder module has 206 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 336 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 336 mSDsluCounter, 503 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 407 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 337]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L189] int cleanupTimeShifts = 4; [L405] int pumpRunning = 0; [L406] int systemActive = 1; [L779] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L268] int retValue_acc ; [L269] int tmp ; [L273] FCALL select_helpers() [L274] FCALL select_features() [L275] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L275] RET, EXPR valid_product() [L275] tmp = valid_product() [L277] COND TRUE \read(tmp) [L279] FCALL setup() [L280] CALL runTest() [L259] CALL test() [L328] int splverifierCounter ; [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L332] int tmp___2 ; [L335] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L337] COND TRUE 1 [L339] COND TRUE splverifierCounter < 4 [L345] tmp = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp)) [L355] tmp___0 = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp___0)) [L365] tmp___2 = __VERIFIER_nondet_int() [L367] COND TRUE \read(tmp___2) [L369] CALL startSystem() [L605] systemActive = 1 [L369] RET startSystem() [L382] CALL timeShift() [L412] COND FALSE !(\read(pumpRunning)) [L419] COND TRUE \read(systemActive) [L421] CALL processEnvironment() [L467] int tmp ; [L470] COND FALSE !(\read(pumpRunning)) [L485] CALL processEnvironment__wrappee__highWaterSensor() [L441] int tmp ; [L444] COND TRUE ! pumpRunning [L446] CALL, EXPR isHighWaterLevel() [L564] int retValue_acc ; [L565] int tmp ; [L566] int tmp___0 ; [L570] CALL, EXPR isHighWaterSensorDry() [L166] int retValue_acc ; [L169] COND TRUE waterLevel < 2 [L170] retValue_acc = 1 [L171] return (retValue_acc); [L570] RET, EXPR isHighWaterSensorDry() [L570] tmp = isHighWaterSensorDry() [L572] COND TRUE \read(tmp) [L573] tmp___0 = 0 [L577] retValue_acc = tmp___0 [L578] return (retValue_acc); [L446] RET, EXPR isHighWaterLevel() [L446] tmp = isHighWaterLevel() [L448] COND FALSE !(\read(tmp)) [L454] FCALL processEnvironment__wrappee__base() [L485] RET processEnvironment__wrappee__highWaterSensor() [L421] RET processEnvironment() [L427] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L427] RET __utac_acc__Specification1_spec__1() [L382] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 337]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L189] int cleanupTimeShifts = 4; [L405] int pumpRunning = 0; [L406] int systemActive = 1; [L779] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L268] int retValue_acc ; [L269] int tmp ; [L273] FCALL select_helpers() [L274] FCALL select_features() [L275] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L275] RET, EXPR valid_product() [L275] tmp = valid_product() [L277] COND TRUE \read(tmp) [L279] FCALL setup() [L280] CALL runTest() [L259] CALL test() [L328] int splverifierCounter ; [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L332] int tmp___2 ; [L335] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L337] COND TRUE 1 [L339] COND TRUE splverifierCounter < 4 [L345] tmp = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp)) [L355] tmp___0 = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp___0)) [L365] tmp___2 = __VERIFIER_nondet_int() [L367] COND TRUE \read(tmp___2) [L369] CALL startSystem() [L605] systemActive = 1 [L369] RET startSystem() [L382] CALL timeShift() [L412] COND FALSE !(\read(pumpRunning)) [L419] COND TRUE \read(systemActive) [L421] CALL processEnvironment() [L467] int tmp ; [L470] COND FALSE !(\read(pumpRunning)) [L485] CALL processEnvironment__wrappee__highWaterSensor() [L441] int tmp ; [L444] COND TRUE ! pumpRunning [L446] CALL, EXPR isHighWaterLevel() [L564] int retValue_acc ; [L565] int tmp ; [L566] int tmp___0 ; [L570] CALL, EXPR isHighWaterSensorDry() [L166] int retValue_acc ; [L169] COND TRUE waterLevel < 2 [L170] retValue_acc = 1 [L171] return (retValue_acc); [L570] RET, EXPR isHighWaterSensorDry() [L570] tmp = isHighWaterSensorDry() [L572] COND TRUE \read(tmp) [L573] tmp___0 = 0 [L577] retValue_acc = tmp___0 [L578] return (retValue_acc); [L446] RET, EXPR isHighWaterLevel() [L446] tmp = isHighWaterLevel() [L448] COND FALSE !(\read(tmp)) [L454] FCALL processEnvironment__wrappee__base() [L485] RET processEnvironment__wrappee__highWaterSensor() [L421] RET processEnvironment() [L427] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L427] RET __utac_acc__Specification1_spec__1() [L382] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-20 22:51:32,057 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)