./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 9a501726b111b1f6720960f06deb10a2482c5a4b ..................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-30f4e4a [2019-11-28 03:28:07,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:28:07,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:28:07,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:28:07,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:28:07,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:28:07,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:28:07,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:28:07,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:28:07,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:28:07,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:28:07,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:28:07,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:28:07,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:28:07,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:28:07,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:28:07,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:28:07,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:28:07,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:28:07,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:28:07,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:28:07,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:28:07,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:28:07,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:28:07,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:28:07,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:28:07,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:28:07,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:28:07,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:28:07,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:28:07,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:28:07,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:28:07,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:28:07,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:28:07,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:28:07,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:28:07,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:28:07,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:28:07,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:28:07,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:28:07,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:28:07,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:28:07,648 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:28:07,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:28:07,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:28:07,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:28:07,650 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:28:07,650 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:28:07,651 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:28:07,651 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:28:07,651 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:28:07,651 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:28:07,651 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:28:07,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:28:07,652 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:28:07,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:28:07,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:28:07,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:28:07,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:28:07,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:28:07,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:28:07,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:28:07,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:28:07,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:28:07,654 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:28:07,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:28:07,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:28:07,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:28:07,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:28:07,655 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:28:07,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:28:07,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:28:07,656 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:28:07,657 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:28:07,657 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 9a501726b111b1f6720960f06deb10a2482c5a4b [2019-11-28 03:28:07,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:28:08,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:28:08,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:28:08,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:28:08,007 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:28:08,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-11-28 03:28:08,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cf97878/b70fc02688e7440db518f84a2a89c137/FLAG0b2655594 [2019-11-28 03:28:08,677 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:28:08,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-11-28 03:28:08,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cf97878/b70fc02688e7440db518f84a2a89c137/FLAG0b2655594 [2019-11-28 03:28:08,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cf97878/b70fc02688e7440db518f84a2a89c137 [2019-11-28 03:28:08,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:28:08,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:28:08,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:28:08,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:28:08,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:28:08,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:28:08" (1/1) ... [2019-11-28 03:28:08,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2fe004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:08, skipping insertion in model container [2019-11-28 03:28:08,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:28:08" (1/1) ... [2019-11-28 03:28:08,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:28:09,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:28:09,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:28:09,468 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:28:09,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:28:09,657 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:28:09,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09 WrapperNode [2019-11-28 03:28:09,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:28:09,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:28:09,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:28:09,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:28:09,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:28:09,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:28:09,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:28:09,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:28:09,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... [2019-11-28 03:28:09,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:28:09,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:28:09,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:28:09,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:28:09,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:28:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:28:11,789 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:28:11,791 INFO L297 CfgBuilder]: Removed 900 assume(true) statements. [2019-11-28 03:28:11,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:11 BoogieIcfgContainer [2019-11-28 03:28:11,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:28:11,795 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:28:11,795 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:28:11,799 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:28:11,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:11,801 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:28:08" (1/3) ... [2019-11-28 03:28:11,802 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24f78e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:28:11, skipping insertion in model container [2019-11-28 03:28:11,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:11,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:09" (2/3) ... [2019-11-28 03:28:11,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24f78e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:28:11, skipping insertion in model container [2019-11-28 03:28:11,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:11,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:11" (3/3) ... [2019-11-28 03:28:11,806 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2019-11-28 03:28:11,861 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:28:11,862 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:28:11,862 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:28:11,862 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:28:11,863 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:28:11,863 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:28:11,863 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:28:11,863 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:28:11,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states. [2019-11-28 03:28:11,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 305 [2019-11-28 03:28:11,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:28:11,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:28:11,956 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:11,957 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:11,957 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:28:11,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states. [2019-11-28 03:28:11,975 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 305 [2019-11-28 03:28:11,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:28:11,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:28:11,978 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:11,978 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:11,985 INFO L794 eck$LassoCheckResult]: Stem: 279#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);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(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(13);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string74.base, #t~string74.offset, 1);call write~init~int(77, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(101, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(116, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(104, #t~string74.base, 4 + #t~string74.offset, 1);call write~init~int(58, #t~string74.base, 5 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 6 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string76.base, #t~string76.offset, 1);call write~init~int(82, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(73, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(84, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 4 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(75, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string80.base, #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 1 + #t~string80.offset, 1);~__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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 193#L-1true havoc main_#res;havoc main_#t~ret81, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 41#L873true havoc select_features_#t~ret63, select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 264#L848true select_features_#t~ret63 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret63;havoc select_features_#t~ret63;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 266#L848-1true select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 244#L848-2true select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret65;havoc select_features_#t~ret65;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 246#L848-3true select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 249#L848-4true select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 251#L848-5true select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret68;havoc select_features_#t~ret68; 403#L865true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~8; 261#L881true main_#t~ret81 := valid_product_#res;main_~tmp~11 := main_#t~ret81;havoc main_#t~ret81; 339#L1108true assume 0 != main_~tmp~11; 412#L1085true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 42#L895-1true [2019-11-28 03:28:11,985 INFO L796 eck$LassoCheckResult]: Loop: 42#L895-1true assume !false; 194#L65true assume test_~splverifierCounter~0 < 4; 283#L66true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 448#L74true assume !(0 != test_~tmp~0); 435#L74-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 336#L84true assume !(0 != test_~tmp___0~0); 331#L84-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 409#L94true assume 0 != test_~tmp___2~0; 362#L95true assume 0 != ~__SELECTED_FEATURE_startCommand~0;~systemActive~0 := 1; 334#L106-1true assume !(0 != ~pumpRunning~0); 63#L148true assume !(0 != ~systemActive~0); 97#L155true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~10, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~10;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 294#L957-10true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~10 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 151#L895true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10); 42#L895-1true [2019-11-28 03:28:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:11,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2019-11-28 03:28:11,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:11,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510387694] [2019-11-28 03:28:11,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:12,435 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:12,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:12,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1157828185, now seen corresponding path program 1 times [2019-11-28 03:28:12,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:12,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076275287] [2019-11-28 03:28:12,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:28:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:28:12,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076275287] [2019-11-28 03:28:12,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:28:12,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:28:12,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998983694] [2019-11-28 03:28:12,501 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:28:12,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:28:12,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:28:12,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:28:12,522 INFO L87 Difference]: Start difference. First operand 467 states. Second operand 3 states. [2019-11-28 03:28:12,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:28:12,642 INFO L93 Difference]: Finished difference Result 921 states and 1431 transitions. [2019-11-28 03:28:12,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:28:12,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 921 states and 1431 transitions. [2019-11-28 03:28:12,664 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 606 [2019-11-28 03:28:12,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 921 states to 907 states and 1416 transitions. [2019-11-28 03:28:12,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 907 [2019-11-28 03:28:12,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 907 [2019-11-28 03:28:12,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 907 states and 1416 transitions. [2019-11-28 03:28:12,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:28:12,706 INFO L688 BuchiCegarLoop]: Abstraction has 907 states and 1416 transitions. [2019-11-28 03:28:12,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states and 1416 transitions. [2019-11-28 03:28:12,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 905. [2019-11-28 03:28:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2019-11-28 03:28:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1413 transitions. [2019-11-28 03:28:12,803 INFO L711 BuchiCegarLoop]: Abstraction has 905 states and 1413 transitions. [2019-11-28 03:28:12,804 INFO L591 BuchiCegarLoop]: Abstraction has 905 states and 1413 transitions. [2019-11-28 03:28:12,804 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:28:12,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 905 states and 1413 transitions. [2019-11-28 03:28:12,812 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 604 [2019-11-28 03:28:12,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:28:12,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:28:12,814 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:12,814 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:12,814 INFO L794 eck$LassoCheckResult]: Stem: 1818#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);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(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(13);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string74.base, #t~string74.offset, 1);call write~init~int(77, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(101, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(116, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(104, #t~string74.base, 4 + #t~string74.offset, 1);call write~init~int(58, #t~string74.base, 5 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 6 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string76.base, #t~string76.offset, 1);call write~init~int(82, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(73, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(84, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 4 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(75, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string80.base, #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 1 + #t~string80.offset, 1);~__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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 1722#L-1 havoc main_#res;havoc main_#t~ret81, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 1476#L873 havoc select_features_#t~ret63, select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1477#L848 select_features_#t~ret63 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret63;havoc select_features_#t~ret63;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1811#L848-1 select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1791#L848-2 select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret65;havoc select_features_#t~ret65;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1792#L848-3 select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1794#L848-4 select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet62, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet62;havoc select_one_#t~nondet62;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1797#L848-5 select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret68;havoc select_features_#t~ret68; 1799#L865 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~8; 1807#L881 main_#t~ret81 := valid_product_#res;main_~tmp~11 := main_#t~ret81;havoc main_#t~ret81; 1808#L1108 assume 0 != main_~tmp~11; 1862#L1085 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1478#L895-1 [2019-11-28 03:28:12,815 INFO L796 eck$LassoCheckResult]: Loop: 1478#L895-1 assume !false; 1479#L65 assume test_~splverifierCounter~0 < 4; 1723#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1821#L74 assume !(0 != test_~tmp~0); 1836#L74-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1858#L84 assume !(0 != test_~tmp___0~0); 1850#L84-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1851#L94 assume 0 != test_~tmp___2~0; 1877#L95 assume 0 != ~__SELECTED_FEATURE_startCommand~0;~systemActive~0 := 1; 1855#L106-1 assume !(0 != ~pumpRunning~0); 1521#L148 assume 0 != ~systemActive~0; 1522#L291 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 1502#L248-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 1503#L205-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1422#L155 havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~10, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~10;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 1572#L957-10 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~10 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 1660#L895 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10); 1478#L895-1 [2019-11-28 03:28:12,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:12,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2019-11-28 03:28:12,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:12,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5883743] [2019-11-28 03:28:12,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:12,999 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:13,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:13,000 INFO L82 PathProgramCache]: Analyzing trace with hash 24171960, now seen corresponding path program 1 times [2019-11-28 03:28:13,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:13,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150649424] [2019-11-28 03:28:13,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:13,015 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:13,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:13,015 INFO L82 PathProgramCache]: Analyzing trace with hash -413646930, now seen corresponding path program 1 times [2019-11-28 03:28:13,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:13,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644886160] [2019-11-28 03:28:13,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:13,138 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:13,244 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-11-28 03:28:40,550 WARN L192 SmtUtils]: Spent 27.23 s on a formula simplification. DAG size of input: 514 DAG size of output: 462 [2019-11-28 03:28:54,076 WARN L192 SmtUtils]: Spent 13.49 s on a formula simplification that was a NOOP. DAG size: 411 [2019-11-28 03:28:54,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:28:54 BoogieIcfgContainer [2019-11-28 03:28:54,151 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:28:54,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:28:54,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:28:54,152 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:28:54,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:11" (3/4) ... [2019-11-28 03:28:54,156 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:28:54,281 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:28:54,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:28:54,284 INFO L168 Benchmark]: Toolchain (without parser) took 45328.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 960.4 MB in the beginning and 951.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 315.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:54,285 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:28:54,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:54,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:54,288 INFO L168 Benchmark]: Boogie Preprocessor took 166.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:54,289 INFO L168 Benchmark]: RCFGBuilder took 1832.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 922.9 MB in the end (delta: 147.3 MB). Peak memory consumption was 147.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:54,290 INFO L168 Benchmark]: BuchiAutomizer took 42356.13 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 922.9 MB in the beginning and 961.1 MB in the end (delta: -38.2 MB). Peak memory consumption was 314.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:54,291 INFO L168 Benchmark]: Witness Printer took 130.39 ms. Allocated memory is still 1.3 GB. Free memory was 961.1 MB in the beginning and 951.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:54,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 701.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 136.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 166.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1832.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 922.9 MB in the end (delta: 147.3 MB). Peak memory consumption was 147.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42356.13 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 922.9 MB in the beginning and 961.1 MB in the end (delta: -38.2 MB). Peak memory consumption was 314.3 MB. Max. memory is 11.5 GB. * Witness Printer took 130.39 ms. Allocated memory is still 1.3 GB. Free memory was 961.1 MB in the beginning and 951.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 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 3 locations. The remainder module has 905 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 905 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 728 SDtfs, 717 SDslu, 702 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 64]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=980} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@457b6af4=0, NULL=0, NULL=1000, NULL=985, NULL=0, NULL=980, NULL=1001, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@752bdf85=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67c4f90e=63, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38fd24e4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bcd0dfc=0, methaneLevelCritical=0, NULL=998, tmp___1=0, NULL=983, cleanupTimeShifts=4, tmp=0, NULL=990, NULL=981, tmp=1, waterLevel=1, __SELECTED_FEATURE_methaneAlarm=0, NULL=1002, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@539ae3c6=0, NULL=0, tmp___0=0, \result=1, head=0, pumpRunning=0, NULL=984, NULL=1003, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50ac9b51=0, NULL=0, NULL=0, NULL=0, NULL=0, __SELECTED_FEATURE_stopCommand=0, NULL=1005, NULL=999, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f29b5fa=0, NULL=988, choice=39, NULL=0, \result=39, __SELECTED_FEATURE_base=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67fbc733=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1466ecc2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fcec499=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a8e3f9d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b59d32=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3215dd20=0, NULL=995, NULL=997, NULL=0, __GUIDSL_ROOT_PRODUCTION=1, NULL=986, tmp___0=0, tmp=0, NULL=1006, NULL=0, systemActive=1, NULL=0, retValue_acc=0, NULL=991, NULL=0, NULL=992, __SELECTED_FEATURE_lowWaterSensor=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=993, retValue_acc=39, NULL=996, \result=0, NULL=0, __SELECTED_FEATURE_highWaterSensor=0, NULL=0, NULL=982, NULL=987, retValue_acc=1, __SELECTED_FEATURE_methaneQuery=0, tmp___2=63, splverifierCounter=0, NULL=0, \result=0, __SELECTED_FEATURE_startCommand=39, NULL=0, NULL=0, NULL=989, NULL=0, NULL=1004, NULL=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 ; [L140] int pumpRunning = 0; [L141] int systemActive = 1; [L641] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L914] int waterLevel = 1; [L915] int methaneLevelCritical = 0; [L1026] int cleanupTimeShifts = 4; [L1099] int retValue_acc ; [L1100] int tmp ; [L872] __GUIDSL_ROOT_PRODUCTION = 1 [L857] __SELECTED_FEATURE_base = 1 [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L858] __SELECTED_FEATURE_highWaterSensor = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L859] __SELECTED_FEATURE_lowWaterSensor = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L860] __SELECTED_FEATURE_methaneQuery = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L861] __SELECTED_FEATURE_methaneAlarm = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L862] __SELECTED_FEATURE_stopCommand = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L863] __SELECTED_FEATURE_startCommand = select_one() [L877] int retValue_acc ; [L880] retValue_acc = __SELECTED_FEATURE_base [L881] return (retValue_acc); [L1106] tmp = valid_product() [L1108] COND TRUE \read(tmp) [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L95] COND TRUE \read(__SELECTED_FEATURE_startCommand) [L467] systemActive = 1 [L148] COND FALSE !(\read(pumpRunning)) [L155] COND TRUE \read(systemActive) [L291] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L248] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L205] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L888] int tmp ; [L889] int tmp___0 ; [L953] int retValue_acc ; [L956] retValue_acc = methaneLevelCritical [L957] return (retValue_acc); [L893] tmp = isMethaneLevelCritical() [L895] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...