./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml', '-i', '../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-08 00:30:22,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 00:30:22,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 00:30:22,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 00:30:22,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 00:30:22,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 00:30:22,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 00:30:22,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 00:30:22,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 00:30:22,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 00:30:22,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 00:30:22,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 00:30:22,252 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 00:30:22,253 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 00:30:22,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 00:30:22,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 00:30:22,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 00:30:22,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 00:30:22,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 00:30:22,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 00:30:22,254 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 00:30:22,254 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 [2024-11-08 00:30:22,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 00:30:22,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 00:30:22,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 00:30:22,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 00:30:22,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 00:30:22,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2024-11-08 00:30:23,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 00:30:24,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 00:30:24,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2024-11-08 00:30:24,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/692c5976b/8e1b671a8fd2458d9d896ce7e6fd7f9e/FLAG17fcbc3d4 [2024-11-08 00:30:24,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/692c5976b/8e1b671a8fd2458d9d896ce7e6fd7f9e [2024-11-08 00:30:24,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 00:30:24,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 00:30:24,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 00:30:24,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 00:30:24,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 00:30:24,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e35c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24, skipping insertion in model container [2024-11-08 00:30:24,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 00:30:24,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:30:24,467 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 00:30:24,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-08 00:30:24,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2024-11-08 00:30:24,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] [2024-11-08 00:30:24,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [606] [2024-11-08 00:30:24,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] [2024-11-08 00:30:24,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [991] [2024-11-08 00:30:24,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1027] [2024-11-08 00:30:24,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [1036] [2024-11-08 00:30:24,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:30:24,535 INFO L204 MainTranslator]: Completed translation [2024-11-08 00:30:24,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24 WrapperNode [2024-11-08 00:30:24,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 00:30:24,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 00:30:24,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 00:30:24,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 00:30:24,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,599 INFO L138 Inliner]: procedures = 63, calls = 123, calls flagged for inlining = 76, calls inlined = 455, statements flattened = 2722 [2024-11-08 00:30:24,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 00:30:24,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 00:30:24,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 00:30:24,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 00:30:24,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,613 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,634 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]. [2024-11-08 00:30:24,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 00:30:24,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 00:30:24,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 00:30:24,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 00:30:24,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (1/1) ... [2024-11-08 00:30:24,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:30:24,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:30:24,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:30:24,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 00:30:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 00:30:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 00:30:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 00:30:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 00:30:24,828 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 00:30:24,830 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 00:30:25,951 INFO L? ?]: Removed 599 outVars from TransFormulas that were not future-live. [2024-11-08 00:30:25,951 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 00:30:25,976 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 00:30:25,980 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 00:30:25,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:30:25 BoogieIcfgContainer [2024-11-08 00:30:25,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 00:30:25,982 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 00:30:25,982 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 00:30:25,986 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 00:30:25,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:30:25,987 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 12:30:24" (1/3) ... [2024-11-08 00:30:25,988 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70505b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:30:25, skipping insertion in model container [2024-11-08 00:30:25,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:30:25,988 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:30:24" (2/3) ... [2024-11-08 00:30:25,989 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70505b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:30:25, skipping insertion in model container [2024-11-08 00:30:25,989 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:30:25,989 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:30:25" (3/3) ... [2024-11-08 00:30:25,990 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2024-11-08 00:30:26,038 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 00:30:26,039 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 00:30:26,039 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 00:30:26,039 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 00:30:26,039 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 00:30:26,039 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 00:30:26,039 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 00:30:26,040 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 00:30:26,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 775 states, 774 states have (on average 1.3462532299741603) internal successors, (1042), 774 states have internal predecessors, (1042), 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) [2024-11-08 00:30:26,089 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2024-11-08 00:30:26,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:30:26,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:30:26,101 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:30:26,102 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:30:26,102 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 00:30:26,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 775 states, 774 states have (on average 1.3462532299741603) internal successors, (1042), 774 states have internal predecessors, (1042), 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) [2024-11-08 00:30:26,118 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2024-11-08 00:30:26,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:30:26,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:30:26,120 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:30:26,120 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:30:26,126 INFO L745 eck$LassoCheckResult]: Stem: 126#$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(38, 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;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 707#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 608#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 141#select_one_returnLabel#1true select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 740#select_one_returnLabel#2true select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 504#select_one_returnLabel#3true select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 87#select_one_returnLabel#4true select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 506#select_one_returnLabel#5true select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 122#select_one_returnLabel#6true select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 389#select_features_returnLabel#1true havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 470#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 294#L506true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 260#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 341#L540-2true [2024-11-08 00:30:26,128 INFO L747 eck$LassoCheckResult]: Loop: 341#L540-2true assume !false; 649#L541true assume test_~splverifierCounter~0#1 < 4; 315#L542true havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 684#L550true assume !(0 != test_~tmp~4#1); 115#L550-2true havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 605#L560true assume !(0 != test_~tmp___0~0#1); 661#L560-2true havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 237#L570true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 407#L582true assume !(0 != test_~tmp___1~0#1); 614#L582-1true assume { :begin_inline_timeShift } true; 594#L623true assume !(0 != ~pumpRunning~0); 16#L623-2true assume !(0 != ~systemActive~0); 630#L630-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 620#isMethaneLevelCritical_returnLabel#11true __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 349#L1003true assume 0 != __utac_acc__Specification3_spec__1_~tmp~11#1; 25#L1009-1true havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 540#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 341#L540-2true [2024-11-08 00:30:26,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:26,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2024-11-08 00:30:26,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:26,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423230598] [2024-11-08 00:30:26,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:26,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:26,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:30:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:26,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:30:26,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:26,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1278779181, now seen corresponding path program 1 times [2024-11-08 00:30:26,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:26,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556621065] [2024-11-08 00:30:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:26,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:26,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:30:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:26,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:30:26,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:26,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1716598071, now seen corresponding path program 1 times [2024-11-08 00:30:26,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:26,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960306912] [2024-11-08 00:30:26,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:26,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:30:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 00:30:26,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 00:30:26,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960306912] [2024-11-08 00:30:26,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960306912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 00:30:26,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 00:30:26,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 00:30:26,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206614683] [2024-11-08 00:30:26,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 00:30:26,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 00:30:26,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 00:30:26,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 00:30:26,571 INFO L87 Difference]: Start difference. First operand has 775 states, 774 states have (on average 1.3462532299741603) internal successors, (1042), 774 states have internal predecessors, (1042), 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 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 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) [2024-11-08 00:30:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 00:30:26,787 INFO L93 Difference]: Finished difference Result 2351 states and 3144 transitions. [2024-11-08 00:30:26,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2351 states and 3144 transitions. [2024-11-08 00:30:26,818 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1558 [2024-11-08 00:30:26,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2351 states to 2311 states and 3104 transitions. [2024-11-08 00:30:26,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2311 [2024-11-08 00:30:26,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2311 [2024-11-08 00:30:26,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2311 states and 3104 transitions. [2024-11-08 00:30:26,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 00:30:26,861 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2311 states and 3104 transitions. [2024-11-08 00:30:26,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states and 3104 transitions. [2024-11-08 00:30:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 819. [2024-11-08 00:30:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 819 states have (on average 1.3418803418803418) internal successors, (1099), 818 states have internal predecessors, (1099), 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) [2024-11-08 00:30:26,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1099 transitions. [2024-11-08 00:30:26,939 INFO L240 hiAutomatonCegarLoop]: Abstraction has 819 states and 1099 transitions. [2024-11-08 00:30:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 00:30:26,944 INFO L425 stractBuchiCegarLoop]: Abstraction has 819 states and 1099 transitions. [2024-11-08 00:30:26,944 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 00:30:26,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 819 states and 1099 transitions. [2024-11-08 00:30:26,948 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 551 [2024-11-08 00:30:26,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:30:26,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:30:26,950 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:30:26,950 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] [2024-11-08 00:30:26,951 INFO L745 eck$LassoCheckResult]: Stem: 3564#$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(38, 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;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3565#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3757#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3602#select_one_returnLabel#1 select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3603#select_one_returnLabel#2 select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3515#select_one_returnLabel#3 select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3458#select_one_returnLabel#4 select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3459#select_one_returnLabel#5 select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3520#select_one_returnLabel#6 select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 3554#select_features_returnLabel#1 havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 3387#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 3388#L506 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 3809#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3616#L540-2 [2024-11-08 00:30:26,951 INFO L747 eck$LassoCheckResult]: Loop: 3616#L540-2 assume !false; 3823#L541 assume test_~splverifierCounter~0#1 < 4; 3824#L542 havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 3868#L550 assume !(0 != test_~tmp~4#1); 3150#L550-2 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 3535#L560 assume !(0 != test_~tmp___0~0#1); 3326#L560-2 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 3778#L570 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 3779#L582 assume !(0 != test_~tmp___1~0#1); 3293#L582-1 assume { :begin_inline_timeShift } true; 3739#L623 assume !(0 != ~pumpRunning~0); 3221#L623-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3222#L766 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3742#L723-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3212#L680-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3213#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3479#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3480#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3704#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 3754#L630-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 3776#isMethaneLevelCritical_returnLabel#11 __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 3777#L1003 assume 0 != __utac_acc__Specification3_spec__1_~tmp~11#1; 3247#L1009-1 havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3248#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3616#L540-2 [2024-11-08 00:30:26,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:26,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2024-11-08 00:30:26,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:26,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774909341] [2024-11-08 00:30:26,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:26,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:26,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:30:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:30:27,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:27,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1304844227, now seen corresponding path program 1 times [2024-11-08 00:30:27,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:27,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707703057] [2024-11-08 00:30:27,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:27,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:30:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:30:27,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:27,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1942482189, now seen corresponding path program 1 times [2024-11-08 00:30:27,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:27,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637654149] [2024-11-08 00:30:27,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:27,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:30:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 00:30:27,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 00:30:27,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637654149] [2024-11-08 00:30:27,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637654149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 00:30:27,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 00:30:27,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 00:30:27,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254032195] [2024-11-08 00:30:27,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 00:30:27,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 00:30:27,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 00:30:27,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 00:30:27,219 INFO L87 Difference]: Start difference. First operand 819 states and 1099 transitions. cyclomatic complexity: 283 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-08 00:30:27,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 00:30:27,473 INFO L93 Difference]: Finished difference Result 1625 states and 2177 transitions. [2024-11-08 00:30:27,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1625 states and 2177 transitions. [2024-11-08 00:30:27,482 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1102 [2024-11-08 00:30:27,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1625 states to 1625 states and 2177 transitions. [2024-11-08 00:30:27,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1625 [2024-11-08 00:30:27,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1625 [2024-11-08 00:30:27,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1625 states and 2177 transitions. [2024-11-08 00:30:27,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 00:30:27,494 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1625 states and 2177 transitions. [2024-11-08 00:30:27,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states and 2177 transitions. [2024-11-08 00:30:27,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1625. [2024-11-08 00:30:27,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1625 states have (on average 1.3396923076923077) internal successors, (2177), 1624 states have internal predecessors, (2177), 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) [2024-11-08 00:30:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2177 transitions. [2024-11-08 00:30:27,531 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1625 states and 2177 transitions. [2024-11-08 00:30:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 00:30:27,532 INFO L425 stractBuchiCegarLoop]: Abstraction has 1625 states and 2177 transitions. [2024-11-08 00:30:27,532 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 00:30:27,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1625 states and 2177 transitions. [2024-11-08 00:30:27,543 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1102 [2024-11-08 00:30:27,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:30:27,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:30:27,544 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:30:27,545 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] [2024-11-08 00:30:27,545 INFO L745 eck$LassoCheckResult]: Stem: 6056#$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(38, 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;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 6057#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 6296#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 6101#select_one_returnLabel#1 select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 6102#select_one_returnLabel#2 select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 6003#select_one_returnLabel#3 select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 5929#select_one_returnLabel#4 select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 5930#select_one_returnLabel#5 select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;havoc select_one_#t~nondet47#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 6007#select_one_returnLabel#6 select_features_#t~ret53#1 := select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 6044#select_features_returnLabel#1 havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 5851#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 5852#L506 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 6361#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 6116#L540-2 [2024-11-08 00:30:27,546 INFO L747 eck$LassoCheckResult]: Loop: 6116#L540-2 assume !false; 6386#L541 assume test_~splverifierCounter~0#1 < 4; 6387#L542 havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 6458#L550 assume !(0 != test_~tmp~4#1); 5610#L550-2 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 6024#L560 assume !(0 != test_~tmp___0~0#1); 5788#L560-2 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 6319#L570 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 6320#L582 assume !(0 != test_~tmp___1~0#1); 5757#L582-1 assume { :begin_inline_timeShift } true; 6270#L623 assume !(0 != ~pumpRunning~0); 5679#L623-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 5680#L766 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 6491#L723-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 5670#L680-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 5671#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 6792#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 6790#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 6291#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 6292#L630-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 6317#isMethaneLevelCritical_returnLabel#11 __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 6318#L1003 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~11#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 6501#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret55#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3#1 := __utac_acc__Specification3_spec__1_#t~ret55#1;havoc __utac_acc__Specification3_spec__1_#t~ret55#1; 5997#L1009 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3#1); 5706#L1009-1 havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 5707#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 6116#L540-2 [2024-11-08 00:30:27,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:27,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 3 times [2024-11-08 00:30:27,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:27,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730836761] [2024-11-08 00:30:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:27,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:30:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:30:27,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:27,570 INFO L85 PathProgramCache]: Analyzing trace with hash -173933160, now seen corresponding path program 1 times [2024-11-08 00:30:27,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:27,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149243019] [2024-11-08 00:30:27,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:27,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:30:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:30:27,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:30:27,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1584175006, now seen corresponding path program 1 times [2024-11-08 00:30:27,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:30:27,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541035371] [2024-11-08 00:30:27,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:30:27,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:30:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:30:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:27,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:30:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:28,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:30:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:30:28,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 12:30:28 BoogieIcfgContainer [2024-11-08 00:30:28,648 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 00:30:28,648 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 00:30:28,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 00:30:28,649 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 00:30:28,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:30:25" (3/4) ... [2024-11-08 00:30:28,652 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 00:30:28,695 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 00:30:28,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 00:30:28,696 INFO L158 Benchmark]: Toolchain (without parser) took 4435.98ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 92.5MB in the beginning and 97.8MB in the end (delta: -5.3MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-08 00:30:28,697 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:30:28,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.11ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 72.9MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 00:30:28,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.43ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 64.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:30:28,697 INFO L158 Benchmark]: Boogie Preprocessor took 79.43ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 54.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:30:28,697 INFO L158 Benchmark]: RCFGBuilder took 1300.94ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 61.3MB in the end (delta: -6.5MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-08 00:30:28,698 INFO L158 Benchmark]: BuchiAutomizer took 2666.30ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 60.6MB in the beginning and 102.6MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:30:28,698 INFO L158 Benchmark]: Witness Printer took 47.13ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 97.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:30:28,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.11ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 72.9MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.43ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 64.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.43ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 54.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1300.94ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 61.3MB in the end (delta: -6.5MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2666.30ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 60.6MB in the beginning and 102.6MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.13ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 97.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. 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,"Test.i","") [415] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] - GenericResultAtLocation [Line: 606]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [606] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] - GenericResultAtLocation [Line: 991]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [991] - GenericResultAtLocation [Line: 1027]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1027] - GenericResultAtLocation [Line: 1036]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [1036] * 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 7 locations. The remainder module has 1625 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1492 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6030 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6030 mSDsluCounter, 10095 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8111 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 1984 mSDtfsCounter, 306 mSolverCounterSat, 0.1s 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: 540]: 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; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 [L964] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___1)) [L595] CALL timeShift() [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L632] CALL processEnvironment() [L766] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L773] CALL processEnvironment__before__methaneAlarm() [L723] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L730] CALL processEnvironment__before__lowWaterSensor() [L680] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L687] FCALL processEnvironment__before__highWaterSensor() [L730] RET processEnvironment__before__lowWaterSensor() [L773] RET processEnvironment__before__methaneAlarm() [L632] RET processEnvironment() [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1001] CALL, EXPR isMethaneLevelCritical() [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND FALSE !(tmp___0 == 2) [L638] RET __utac_acc__Specification3_spec__1() [L595] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 540]: 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; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 [L964] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___1)) [L595] CALL timeShift() [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L632] CALL processEnvironment() [L766] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L773] CALL processEnvironment__before__methaneAlarm() [L723] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L730] CALL processEnvironment__before__lowWaterSensor() [L680] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L687] FCALL processEnvironment__before__highWaterSensor() [L730] RET processEnvironment__before__lowWaterSensor() [L773] RET processEnvironment__before__methaneAlarm() [L632] RET processEnvironment() [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1001] CALL, EXPR isMethaneLevelCritical() [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND FALSE !(tmp___0 == 2) [L638] RET __utac_acc__Specification3_spec__1() [L595] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 00:30:28,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)