./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 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_spec3_product04.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 77951208f64a8e7a2de110a05be31eef72f84584 ........................................................................................................................................................................................................................................................................................................................................................................................................................ 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-f6fb2bb [2019-11-19 20:03:28,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:03:28,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:03:28,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:03:28,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:03:28,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:03:28,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:03:28,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:03:28,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:03:28,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:03:28,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:03:28,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:03:28,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:03:28,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:03:28,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:03:28,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:03:28,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:03:28,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:03:28,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:03:28,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:03:28,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:03:28,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:03:28,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:03:28,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:03:28,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:03:28,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:03:28,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:03:28,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:03:28,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:03:28,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:03:28,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:03:28,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:03:28,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:03:28,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:03:28,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:03:28,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:03:28,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:03:28,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:03:28,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:03:28,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:03:28,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:03:28,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:03:28,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:03:28,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:03:28,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:03:28,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:03:28,973 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:03:28,973 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:03:28,973 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:03:28,973 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:03:28,974 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:03:28,974 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:03:28,974 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:03:28,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:03:28,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:03:28,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:03:28,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:03:28,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:03:28,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:03:28,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:03:28,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:03:28,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:03:28,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:03:28,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:03:28,977 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:03:28,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:03:28,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:03:28,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:03:28,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:03:28,978 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:03:28,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:03:28,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:03:28,978 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:03:28,979 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:03:28,980 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 -> 77951208f64a8e7a2de110a05be31eef72f84584 [2019-11-19 20:03:29,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:03:29,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:03:29,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:03:29,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:03:29,309 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:03:29,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2019-11-19 20:03:29,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543e64fe/d23ee19f54794b43b05332858bed6ea7/FLAGb198126dc [2019-11-19 20:03:29,945 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:03:29,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2019-11-19 20:03:29,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543e64fe/d23ee19f54794b43b05332858bed6ea7/FLAGb198126dc [2019-11-19 20:03:30,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543e64fe/d23ee19f54794b43b05332858bed6ea7 [2019-11-19 20:03:30,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:03:30,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:03:30,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:03:30,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:03:30,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:03:30,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37efcfc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30, skipping insertion in model container [2019-11-19 20:03:30,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,200 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:03:30,241 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:03:30,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:03:30,629 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:03:30,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:03:30,747 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:03:30,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30 WrapperNode [2019-11-19 20:03:30,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:03:30,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:03:30,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:03:30,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:03:30,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:03:30,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:03:30,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:03:30,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:03:30,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (1/1) ... [2019-11-19 20:03:30,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:03:30,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:03:30,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:03:30,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:03:30,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (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 [2019-11-19 20:03:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:03:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:03:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:03:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:03:31,686 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:03:31,687 INFO L285 CfgBuilder]: Removed 78 assume(true) statements. [2019-11-19 20:03:31,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:31 BoogieIcfgContainer [2019-11-19 20:03:31,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:03:31,689 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:03:31,689 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:03:31,694 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:03:31,695 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:31,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:03:30" (1/3) ... [2019-11-19 20:03:31,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47080f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:31, skipping insertion in model container [2019-11-19 20:03:31,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:31,697 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:30" (2/3) ... [2019-11-19 20:03:31,698 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47080f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:31, skipping insertion in model container [2019-11-19 20:03:31,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:31,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:31" (3/3) ... [2019-11-19 20:03:31,702 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2019-11-19 20:03:31,758 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:03:31,759 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:03:31,759 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:03:31,761 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:03:31,761 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:03:31,761 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:03:31,761 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:03:31,762 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:03:31,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states. [2019-11-19 20:03:31,802 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-19 20:03:31,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:31,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:31,810 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:31,810 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:31,810 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:03:31,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states. [2019-11-19 20:03:31,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-19 20:03:31,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:31,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:31,816 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:31,817 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:31,821 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 12#L-1true havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 55#L517true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 57#L525true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 38#L615true assume 0 != main_~tmp~3; 63#L591true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 6#L654-1true [2019-11-19 20:03:31,822 INFO L796 eck$LassoCheckResult]: Loop: 6#L654-1true assume !false; 61#L818true assume test_~splverifierCounter~0 < 4; 14#L819true test_~tmp~5 := test_#t~nondet67;havoc test_#t~nondet67; 45#L827true assume !(0 != test_~tmp~5); 49#L827-1true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 23#L837true assume !(0 != test_~tmp___0~1); 3#L837-1true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 64#L847true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 9#L855-1true assume !(0 != ~pumpRunning~0); 30#L684true assume !(0 != ~systemActive~0); 15#L691true havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 56#L89true __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; 36#L648true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 6#L654-1true [2019-11-19 20:03:31,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:31,829 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 20:03:31,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:31,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792070129] [2019-11-19 20:03:31,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:32,628 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:32,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:32,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941121, now seen corresponding path program 1 times [2019-11-19 20:03:32,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:32,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841610754] [2019-11-19 20:03:32,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:03:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:03:32,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841610754] [2019-11-19 20:03:32,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:03:32,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:03:32,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706296242] [2019-11-19 20:03:32,714 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 20:03:32,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:03:32,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:03:32,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:03:32,735 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 3 states. [2019-11-19 20:03:32,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:03:32,816 INFO L93 Difference]: Finished difference Result 118 states and 162 transitions. [2019-11-19 20:03:32,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:03:32,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 162 transitions. [2019-11-19 20:03:32,827 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 74 [2019-11-19 20:03:32,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 104 states and 147 transitions. [2019-11-19 20:03:32,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2019-11-19 20:03:32,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2019-11-19 20:03:32,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 147 transitions. [2019-11-19 20:03:32,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:03:32,838 INFO L688 BuchiCegarLoop]: Abstraction has 104 states and 147 transitions. [2019-11-19 20:03:32,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 147 transitions. [2019-11-19 20:03:32,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2019-11-19 20:03:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-19 20:03:32,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2019-11-19 20:03:32,878 INFO L711 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2019-11-19 20:03:32,878 INFO L591 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2019-11-19 20:03:32,879 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:03:32,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 144 transitions. [2019-11-19 20:03:32,881 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 72 [2019-11-19 20:03:32,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:32,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:32,882 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:32,882 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:32,883 INFO L794 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 208#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 209#L517 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 260#L525 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 237#L615 assume 0 != main_~tmp~3; 238#L591 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 192#L654-1 [2019-11-19 20:03:32,883 INFO L796 eck$LassoCheckResult]: Loop: 192#L654-1 assume !false; 196#L818 assume test_~splverifierCounter~0 < 4; 212#L819 test_~tmp~5 := test_#t~nondet67;havoc test_#t~nondet67; 213#L827 assume !(0 != test_~tmp~5); 248#L827-1 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 223#L837 assume !(0 != test_~tmp___0~1); 189#L837-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 190#L847 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 199#L855-1 assume !(0 != ~pumpRunning~0); 204#L684 assume 0 != ~systemActive~0; 214#L691 havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 215#L89 __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; 234#L648 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 192#L654-1 [2019-11-19 20:03:32,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:32,884 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 20:03:32,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:32,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680579093] [2019-11-19 20:03:32,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:33,295 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:33,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:33,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030494, now seen corresponding path program 1 times [2019-11-19 20:03:33,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:33,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986222252] [2019-11-19 20:03:33,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:33,315 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:33,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:33,317 INFO L82 PathProgramCache]: Analyzing trace with hash 41248444, now seen corresponding path program 1 times [2019-11-19 20:03:33,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:33,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740380700] [2019-11-19 20:03:33,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:03:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:03:33,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740380700] [2019-11-19 20:03:33,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:03:33,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:03:33,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317747223] [2019-11-19 20:03:33,528 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-19 20:03:33,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:03:33,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 20:03:33,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:03:33,584 INFO L87 Difference]: Start difference. First operand 102 states and 144 transitions. cyclomatic complexity: 45 Second operand 5 states. [2019-11-19 20:03:33,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:03:33,738 INFO L93 Difference]: Finished difference Result 319 states and 461 transitions. [2019-11-19 20:03:33,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 20:03:33,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 461 transitions. [2019-11-19 20:03:33,747 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 240 [2019-11-19 20:03:33,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 319 states and 461 transitions. [2019-11-19 20:03:33,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 319 [2019-11-19 20:03:33,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 319 [2019-11-19 20:03:33,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 319 states and 461 transitions. [2019-11-19 20:03:33,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:03:33,755 INFO L688 BuchiCegarLoop]: Abstraction has 319 states and 461 transitions. [2019-11-19 20:03:33,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states and 461 transitions. [2019-11-19 20:03:33,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 198. [2019-11-19 20:03:33,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-19 20:03:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 274 transitions. [2019-11-19 20:03:33,787 INFO L711 BuchiCegarLoop]: Abstraction has 198 states and 274 transitions. [2019-11-19 20:03:33,787 INFO L591 BuchiCegarLoop]: Abstraction has 198 states and 274 transitions. [2019-11-19 20:03:33,787 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 20:03:33,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 274 transitions. [2019-11-19 20:03:33,792 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 144 [2019-11-19 20:03:33,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:33,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:33,793 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:33,793 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:33,793 INFO L794 eck$LassoCheckResult]: Stem: 674#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 648#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 649#L517 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 703#L525 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 678#L615 assume 0 != main_~tmp~3; 679#L591 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 710#L654-1 [2019-11-19 20:03:33,793 INFO L796 eck$LassoCheckResult]: Loop: 710#L654-1 assume !false; 739#L818 assume test_~splverifierCounter~0 < 4; 654#L819 test_~tmp~5 := test_#t~nondet67;havoc test_#t~nondet67; 655#L827 assume !(0 != test_~tmp~5); 692#L827-1 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 664#L837 assume !(0 != test_~tmp___0~1); 628#L837-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 629#L847 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 642#L855-1 assume !(0 != ~pumpRunning~0); 644#L684 assume 0 != ~systemActive~0; 753#L691 havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 752#L89 __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; 751#L648 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 750#L121 __utac_acc__Specification3_spec__1_#t~ret48 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret48;havoc __utac_acc__Specification3_spec__1_#t~ret48; 748#L654 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 710#L654-1 [2019-11-19 20:03:33,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:33,794 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-19 20:03:33,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:33,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101704248] [2019-11-19 20:03:33,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:34,153 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:34,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:34,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1464530636, now seen corresponding path program 1 times [2019-11-19 20:03:34,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:34,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475441708] [2019-11-19 20:03:34,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:34,175 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:34,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:34,176 INFO L82 PathProgramCache]: Analyzing trace with hash 985054414, now seen corresponding path program 1 times [2019-11-19 20:03:34,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:34,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113073937] [2019-11-19 20:03:34,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:34,591 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:54,769 WARN L191 SmtUtils]: Spent 20.03 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-11-19 20:04:04,721 WARN L191 SmtUtils]: Spent 9.95 s on a formula simplification that was a NOOP. DAG size: 449 [2019-11-19 20:04:04,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:04:04 BoogieIcfgContainer [2019-11-19 20:04:04,798 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:04:04,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:04:04,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:04:04,799 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:04:04,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:31" (3/4) ... [2019-11-19 20:04:04,803 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 20:04:04,862 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:04:04,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:04:04,864 INFO L168 Benchmark]: Toolchain (without parser) took 34681.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 959.0 MB in the beginning and 1.0 GB in the end (delta: -41.7 MB). Peak memory consumption was 269.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:04,865 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-19 20:04:04,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:04,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:04:04,867 INFO L168 Benchmark]: Boogie Preprocessor took 43.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:04:04,867 INFO L168 Benchmark]: RCFGBuilder took 825.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:04,868 INFO L168 Benchmark]: BuchiAutomizer took 33109.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.4 MB). Peak memory consumption was 414.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:04,869 INFO L168 Benchmark]: Witness Printer took 63.57 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:04:04,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 563.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 825.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33109.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.4 MB). Peak memory consumption was 414.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.57 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 198 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 32.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 123 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 198 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 186 SDtfs, 347 SDslu, 361 SDs, 0 SdLazy, 53 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 817]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=15949} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56e71edf=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=-22, NULL=15949, NULL=0, NULL=0, NULL=-20, NULL=0, retValue_acc=0, NULL=-16, NULL=0, NULL=-7, NULL=-4, methaneLevelCritical=0, NULL=-21, tmp=0, NULL=-2, NULL=-17, NULL=0, tmp___1=0, NULL=-19, tmp___0=1, NULL=-1, NULL=-18, cleanupTimeShifts=4, NULL=-9, NULL=15948, tmp=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=4245, NULL=0, NULL=0, NULL=-5, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, NULL=-3, tmp=1, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e649e21=55, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29632f35=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@452dce1=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b21444f=0, NULL=-15, tmp___2=55, NULL=-10, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24bc756=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2da73f9d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@328357ac=0, \result=0, NULL=-11, tmp___1=0, head=0, NULL=0, NULL=-14, NULL=0, NULL=0, NULL=-13, NULL=0, NULL=-12, NULL=-6, NULL=14080} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L530] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; [L606] int retValue_acc ; [L607] int tmp ; [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] return (retValue_acc); [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L808] int splverifierCounter ; [L809] int tmp ; [L810] int tmp___0 ; [L811] int tmp___1 ; [L812] int tmp___2 ; [L815] splverifierCounter = 0 Loop: [L817] COND TRUE 1 [L819] COND TRUE splverifierCounter < 4 [L825] tmp = __VERIFIER_nondet_int() [L827] COND FALSE !(\read(tmp)) [L835] tmp___0 = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp___0)) [L845] tmp___2 = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp___2) [L802] systemActive = 1 [L684] COND FALSE !(\read(pumpRunning)) [L691] COND TRUE \read(systemActive) [L640] int tmp ; [L641] int tmp___0 ; [L642] int tmp___1 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L646] tmp = isMethaneLevelCritical() [L648] COND FALSE !(\read(tmp)) [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L652] tmp___0 = getWaterLevel() [L654] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...