./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer --witnessprinter.witness.filename witness.graphml --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 f3897e59b530ba955e2bc8f3ddb0621a99e3d436 .......................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:02,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:02,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:02,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:02,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:02,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:02,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:02,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:02,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:02,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:02,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:02,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:02,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:02,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:02,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:02,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:02,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:02,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:02,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:02,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:02,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:02,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:02,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:02,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:02,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:02,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:02,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:02,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:02,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:02,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:02,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:02,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:02,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:02,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:02,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:02,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:02,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:02,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:02,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:02,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:02,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:02,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:00:02,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:02,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:02,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:02,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:02,929 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:02,929 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:00:02,930 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:00:02,930 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:00:02,930 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:00:02,930 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:00:02,930 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:00:02,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:02,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:02,931 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:02,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:02,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:02,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:02,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:00:02,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:00:02,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:00:02,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:02,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:02,932 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:00:02,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:02,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:00:02,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:02,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:02,933 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:00:02,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:02,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:02,933 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:00:02,934 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:00:02,934 INFO L138 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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 -> f3897e59b530ba955e2bc8f3ddb0621a99e3d436 [2019-10-22 09:00:02,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:02,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:02,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:02,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:02,969 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:02,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2019-10-22 09:00:03,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/data/cceb017fe/e5e62502006842d0afe36175780e711d/FLAG59de08d9b [2019-10-22 09:00:03,479 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:03,480 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2019-10-22 09:00:03,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/data/cceb017fe/e5e62502006842d0afe36175780e711d/FLAG59de08d9b [2019-10-22 09:00:03,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/data/cceb017fe/e5e62502006842d0afe36175780e711d [2019-10-22 09:00:03,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:03,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:03,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:03,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:03,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:03,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc74767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:03, skipping insertion in model container [2019-10-22 09:00:03,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:03" (1/1) ... [2019-10-22 09:00:03,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:03,589 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:03,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:03,986 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:04,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:04,111 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:04,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04 WrapperNode [2019-10-22 09:00:04,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:04,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:04,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:04,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:04,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:04,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:04,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:04,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:04,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... [2019-10-22 09:00:04,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:04,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:04,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:04,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:04,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:05,797 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:05,797 INFO L284 CfgBuilder]: Removed 902 assume(true) statements. [2019-10-22 09:00:05,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:05 BoogieIcfgContainer [2019-10-22 09:00:05,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:05,800 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:00:05,800 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:00:05,803 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:00:05,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:05,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:00:03" (1/3) ... [2019-10-22 09:00:05,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@590cad30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:05, skipping insertion in model container [2019-10-22 09:00:05,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:05,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:04" (2/3) ... [2019-10-22 09:00:05,806 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@590cad30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:05, skipping insertion in model container [2019-10-22 09:00:05,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:05,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:05" (3/3) ... [2019-10-22 09:00:05,808 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2019-10-22 09:00:05,848 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:00:05,848 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:00:05,848 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:00:05,848 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:05,849 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:05,849 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:00:05,849 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:05,849 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:00:05,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2019-10-22 09:00:05,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 307 [2019-10-22 09:00:05,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:05,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:05,921 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:05,921 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:05,921 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:00:05,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2019-10-22 09:00:05,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 307 [2019-10-22 09:00:05,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:05,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:05,935 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:05,935 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:05,941 INFO L791 eck$LassoCheckResult]: Stem: 302#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25); 228#L-1true havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 132#L1124true havoc select_features_#t~ret76, select_features_#t~ret77, select_features_#t~ret78, select_features_#t~ret79, select_features_#t~ret80, select_features_#t~ret81;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 239#L1099true select_features_#t~ret76 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret76;havoc select_features_#t~ret76;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 240#L1099-1true select_features_#t~ret77 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret77;havoc select_features_#t~ret77;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 234#L1099-2true select_features_#t~ret78 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret78;havoc select_features_#t~ret78;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 235#L1099-3true select_features_#t~ret79 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret79;havoc select_features_#t~ret79;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 236#L1099-4true select_features_#t~ret80 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret80;havoc select_features_#t~ret80;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 237#L1099-5true select_features_#t~ret81 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret81;havoc select_features_#t~ret81; 12#L1116true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~13; 238#L1132true main_#t~ret33 := valid_product_#res;main_~tmp~6 := main_#t~ret33;havoc main_#t~ret33; 193#L586true assume 0 != main_~tmp~6; 391#L557true ~methAndRunningLastTime~0 := 0; 108#L684true havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 111#L695-1true [2019-10-22 09:00:05,941 INFO L793 eck$LassoCheckResult]: Loop: 111#L695-1true assume !false; 32#L611true assume test_~splverifierCounter~0 < 4; 388#L612true test_~tmp~7 := test_#t~nondet34;havoc test_#t~nondet34; 20#L620true assume !(0 != test_~tmp~7); 21#L620-1true test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; 188#L630true assume !(0 != test_~tmp___0~2); 192#L630-1true test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 114#L640true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet37;havoc test_#t~nondet37; 185#L652true assume !(0 != test_~tmp___1~0); 190#L652-1true assume !(0 != ~pumpRunning~0); 249#L174true assume !(0 != ~systemActive~0); 67#L181true havoc __utac_acc__Specification2_spec__2_#t~ret38, __utac_acc__Specification2_spec__2_#t~ret39, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 282#L99-10true __utac_acc__Specification2_spec__2_#t~ret38 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret38;havoc __utac_acc__Specification2_spec__2_#t~ret38; 107#L695true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 111#L695-1true [2019-10-22 09:00:05,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:05,947 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2019-10-22 09:00:05,955 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:05,956 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231808037] [2019-10-22 09:00:05,956 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:05,956 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:05,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:06,682 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:06,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:06,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1972950414, now seen corresponding path program 1 times [2019-10-22 09:00:06,683 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:06,684 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788359033] [2019-10-22 09:00:06,684 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:06,684 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:06,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:06,697 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:06,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:06,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1460081283, now seen corresponding path program 1 times [2019-10-22 09:00:06,699 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:06,700 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997620225] [2019-10-22 09:00:06,700 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:06,700 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:06,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:06,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997620225] [2019-10-22 09:00:06,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:06,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:00:06,847 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212535901] [2019-10-22 09:00:06,960 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:06,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:00:06,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:06,976 INFO L87 Difference]: Start difference. First operand 471 states. Second operand 7 states. [2019-10-22 09:00:07,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:07,468 INFO L93 Difference]: Finished difference Result 1440 states and 2233 transitions. [2019-10-22 09:00:07,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:07,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1440 states and 2233 transitions. [2019-10-22 09:00:07,488 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 950 [2019-10-22 09:00:07,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1440 states to 1412 states and 2205 transitions. [2019-10-22 09:00:07,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1412 [2019-10-22 09:00:07,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1412 [2019-10-22 09:00:07,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1412 states and 2205 transitions. [2019-10-22 09:00:07,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:00:07,521 INFO L688 BuchiCegarLoop]: Abstraction has 1412 states and 2205 transitions. [2019-10-22 09:00:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states and 2205 transitions. [2019-10-22 09:00:07,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 510. [2019-10-22 09:00:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-10-22 09:00:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 790 transitions. [2019-10-22 09:00:07,591 INFO L711 BuchiCegarLoop]: Abstraction has 510 states and 790 transitions. [2019-10-22 09:00:07,593 INFO L591 BuchiCegarLoop]: Abstraction has 510 states and 790 transitions. [2019-10-22 09:00:07,593 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:00:07,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 510 states and 790 transitions. [2019-10-22 09:00:07,596 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 340 [2019-10-22 09:00:07,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:07,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:07,597 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:07,597 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:07,597 INFO L791 eck$LassoCheckResult]: Stem: 2337#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25); 2257#L-1 havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 2137#L1124 havoc select_features_#t~ret76, select_features_#t~ret77, select_features_#t~ret78, select_features_#t~ret79, select_features_#t~ret80, select_features_#t~ret81;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2138#L1099 select_features_#t~ret76 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret76;havoc select_features_#t~ret76;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2271#L1099-1 select_features_#t~ret77 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret77;havoc select_features_#t~ret77;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2267#L1099-2 select_features_#t~ret78 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret78;havoc select_features_#t~ret78;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2268#L1099-3 select_features_#t~ret79 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret79;havoc select_features_#t~ret79;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2269#L1099-4 select_features_#t~ret80 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret80;havoc select_features_#t~ret80;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2270#L1099-5 select_features_#t~ret81 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret81;havoc select_features_#t~ret81; 1943#L1116 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~13; 1944#L1132 main_#t~ret33 := valid_product_#res;main_~tmp~6 := main_#t~ret33;havoc main_#t~ret33; 2218#L586 assume 0 != main_~tmp~6; 2219#L557 ~methAndRunningLastTime~0 := 0; 2097#L684 havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2002#L695-1 [2019-10-22 09:00:07,597 INFO L793 eck$LassoCheckResult]: Loop: 2002#L695-1 assume !false; 1981#L611 assume test_~splverifierCounter~0 < 4; 1982#L612 test_~tmp~7 := test_#t~nondet34;havoc test_#t~nondet34; 1955#L620 assume !(0 != test_~tmp~7); 1956#L620-1 test_~tmp___0~2 := test_#t~nondet35;havoc test_#t~nondet35; 1958#L630 assume !(0 != test_~tmp___0~2); 2213#L630-1 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 2104#L640 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet37;havoc test_#t~nondet37; 2105#L652 assume !(0 != test_~tmp___1~0); 1953#L652-1 assume !(0 != ~pumpRunning~0); 2216#L174 assume 0 != ~systemActive~0; 2275#L317 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 2248#L274-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2249#L231-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1937#L181 havoc __utac_acc__Specification2_spec__2_#t~ret38, __utac_acc__Specification2_spec__2_#t~ret39, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 2032#L99-10 __utac_acc__Specification2_spec__2_#t~ret38 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret38;havoc __utac_acc__Specification2_spec__2_#t~ret38; 2095#L695 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 2002#L695-1 [2019-10-22 09:00:07,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:07,598 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2019-10-22 09:00:07,598 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:07,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656212395] [2019-10-22 09:00:07,598 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:07,598 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:07,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:07,845 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:07,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:07,845 INFO L82 PathProgramCache]: Analyzing trace with hash -414772239, now seen corresponding path program 1 times [2019-10-22 09:00:07,845 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:07,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364780558] [2019-10-22 09:00:07,846 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:07,846 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:07,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:07,859 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:07,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:07,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2100805214, now seen corresponding path program 1 times [2019-10-22 09:00:07,860 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:07,860 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807840136] [2019-10-22 09:00:07,860 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:07,860 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:07,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:08,085 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:31,194 WARN L191 SmtUtils]: Spent 23.00 s on a formula simplification. DAG size of input: 517 DAG size of output: 515 [2019-10-22 09:00:44,637 WARN L191 SmtUtils]: Spent 13.40 s on a formula simplification that was a NOOP. DAG size: 462 [2019-10-22 09:00:44,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:00:44 BoogieIcfgContainer [2019-10-22 09:00:44,721 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:00:44,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:44,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:44,722 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:44,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:05" (3/4) ... [2019-10-22 09:00:44,725 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:00:44,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0cddf7eb-dab2-4f2e-a281-83dabbbb5d82/bin/uautomizer/witness.graphml [2019-10-22 09:00:44,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:44,790 INFO L168 Benchmark]: Toolchain (without parser) took 41266.55 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 381.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:44,790 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:44,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:44,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:44,791 INFO L168 Benchmark]: Boogie Preprocessor took 130.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:44,792 INFO L168 Benchmark]: RCFGBuilder took 1459.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.9 MB in the end (delta: 149.2 MB). Peak memory consumption was 149.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:44,792 INFO L168 Benchmark]: BuchiAutomizer took 38921.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 229.1 MB). Free memory was 957.9 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 313.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:44,792 INFO L168 Benchmark]: Witness Printer took 66.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:44,794 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 587.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 130.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1459.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.9 MB in the end (delta: 149.2 MB). Peak memory consumption was 149.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38921.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 229.1 MB). Free memory was 957.9 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 313.7 MB. Max. memory is 11.5 GB. * Witness Printer took 66.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 510 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 902 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 510 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 733 SDtfs, 4278 SDslu, 5320 SDs, 0 SdLazy, 70 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 610]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4961} State at position 1 is {NULL=0, NULL=-13, NULL=0, NULL=4961, NULL=4960, NULL=-18, NULL=0, retValue_acc=1, methaneLevelCritical=0, NULL=0, tmp=0, NULL=-2, NULL=0, tmp___1=0, NULL=-16, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@180f6c8d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72a77055=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a31d3a5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@586a4a64=0, waterLevel=1, NULL=0, __SELECTED_FEATURE_methaneAlarm=0, NULL=-14, NULL=-10, \result=1, head=0, pumpRunning=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e945d79=0, NULL=-9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bb7c7b9=0, NULL=0, NULL=0, __SELECTED_FEATURE_stopCommand=0, tmp___0=0, NULL=-8, NULL=-7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3377157f=0, methAndRunningLastTime=0, NULL=-6, NULL=-15, head=0, NULL=0, NULL=0, NULL=-21, retValue_acc=39, NULL=-1, choice=39, retValue_acc=0, NULL=0, \result=39, __SELECTED_FEATURE_base=1, NULL=-19, NULL=0, retValue_acc=0, NULL=-4, __GUIDSL_ROOT_PRODUCTION=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@238d9f3c=0, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4138c14f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fef23c7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@353b4a5a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7586cf11=0, NULL=0, NULL=-24, systemActive=1, __SELECTED_FEATURE_lowWaterSensor=0, NULL=0, NULL=-11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68d011bb=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b0070e1=0, NULL=0, __SELECTED_FEATURE_highWaterSensor=0, NULL=0, NULL=-20, NULL=-5, __SELECTED_FEATURE_methaneQuery=0, NULL=-12, tmp___0=0, tmp___2=0, NULL=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=-22, __SELECTED_FEATURE_startCommand=39, NULL=0, NULL=0, NULL=-23, NULL=-17, NULL=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L166] int pumpRunning = 0; [L167] int systemActive = 1; [L498] int cleanupTimeShifts = 4; [L678] int methAndRunningLastTime ; [L886] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L577] int retValue_acc ; [L578] int tmp ; [L1123] __GUIDSL_ROOT_PRODUCTION = 1 [L1108] __SELECTED_FEATURE_base = 1 [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1109] __SELECTED_FEATURE_highWaterSensor = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1110] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1111] __SELECTED_FEATURE_methaneQuery = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1112] __SELECTED_FEATURE_methaneAlarm = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1113] __SELECTED_FEATURE_stopCommand = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1114] __SELECTED_FEATURE_startCommand = select_one() [L1128] int retValue_acc ; [L1131] retValue_acc = __SELECTED_FEATURE_base [L1132] return (retValue_acc); [L584] tmp = valid_product() [L586] COND TRUE \read(tmp) [L683] methAndRunningLastTime = 0 [L601] int splverifierCounter ; [L602] int tmp ; [L603] int tmp___0 ; [L604] int tmp___1 ; [L605] int tmp___2 ; [L608] splverifierCounter = 0 Loop: [L610] COND TRUE 1 [L612] COND TRUE splverifierCounter < 4 [L618] tmp = __VERIFIER_nondet_int() [L620] COND FALSE !(\read(tmp)) [L628] tmp___0 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___0)) [L638] tmp___2 = __VERIFIER_nondet_int() [L640] COND FALSE !(\read(tmp___2)) [L650] tmp___1 = __VERIFIER_nondet_int() [L652] COND FALSE !(\read(tmp___1)) [L174] COND FALSE !(\read(pumpRunning)) [L181] COND TRUE \read(systemActive) [L317] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L274] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L231] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L688] int tmp ; [L689] int tmp___0 ; [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L693] tmp = isMethaneLevelCritical() [L695] COND FALSE !(\read(tmp)) [L711] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...