./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.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 ecfbbc733442c307db2d841c8e8a441054d096f7 ......................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2019-01-01 23:32:52,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:32:52,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:32:52,946 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:32:52,946 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:32:52,947 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:32:52,948 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:32:52,950 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:32:52,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:32:52,953 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:32:52,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:32:52,954 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:32:52,955 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:32:52,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:32:52,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:32:52,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:32:52,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:32:52,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:32:52,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:32:52,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:32:52,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:32:52,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:32:52,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:32:52,976 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:32:52,977 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:32:52,977 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:32:52,978 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:32:52,980 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:32:52,981 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:32:52,982 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:32:52,982 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:32:52,983 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:32:52,983 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:32:52,983 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:32:52,985 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:32:52,986 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:32:52,986 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:32:53,004 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:32:53,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:32:53,011 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:32:53,011 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:32:53,011 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:32:53,012 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:32:53,012 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:32:53,012 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:32:53,012 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:32:53,012 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:32:53,012 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:32:53,013 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:32:53,013 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:32:53,013 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:32:53,013 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:32:53,013 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:32:53,013 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:32:53,015 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:32:53,015 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:32:53,015 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:32:53,015 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:32:53,016 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:32:53,016 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:32:53,016 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:32:53,016 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:32:53,016 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:32:53,019 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:32:53,020 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:32:53,020 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:32:53,020 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:32:53,020 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:32:53,021 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:32:53,021 INFO L133 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 -> ecfbbc733442c307db2d841c8e8a441054d096f7 [2019-01-01 23:32:53,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:32:53,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:32:53,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:32:53,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:32:53,092 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:32:53,093 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:53,151 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e3530c3d/b85b28fbec6e47cc8cdfb7c87796d5b9/FLAGff720893b [2019-01-01 23:32:53,630 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:32:53,631 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:53,651 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e3530c3d/b85b28fbec6e47cc8cdfb7c87796d5b9/FLAGff720893b [2019-01-01 23:32:53,934 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e3530c3d/b85b28fbec6e47cc8cdfb7c87796d5b9 [2019-01-01 23:32:53,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:32:53,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:32:53,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:32:53,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:32:53,944 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:32:53,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:32:53" (1/1) ... [2019-01-01 23:32:53,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c093ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:53, skipping insertion in model container [2019-01-01 23:32:53,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:32:53" (1/1) ... [2019-01-01 23:32:53,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:32:54,017 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:32:54,385 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:32:54,420 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:32:54,503 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:32:54,546 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:32:54,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54 WrapperNode [2019-01-01 23:32:54,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:32:54,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:32:54,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:32:54,548 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:32:54,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:32:54,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:32:54,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:32:54,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:32:54,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (1/1) ... [2019-01-01 23:32:54,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:32:54,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:32:54,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:32:54,716 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:32:54,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (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 [2019-01-01 23:32:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:32:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:32:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:32:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:32:55,809 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:32:55,810 INFO L280 CfgBuilder]: Removed 72 assue(true) statements. [2019-01-01 23:32:55,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:55 BoogieIcfgContainer [2019-01-01 23:32:55,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:32:55,811 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:32:55,811 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:32:55,815 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:32:55,816 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:55,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:32:53" (1/3) ... [2019-01-01 23:32:55,817 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3943ecb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:32:55, skipping insertion in model container [2019-01-01 23:32:55,818 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:55,818 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:54" (2/3) ... [2019-01-01 23:32:55,818 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3943ecb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:32:55, skipping insertion in model container [2019-01-01 23:32:55,818 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:55,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:55" (3/3) ... [2019-01-01 23:32:55,820 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:55,876 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:32:55,877 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:32:55,877 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:32:55,877 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:32:55,877 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:32:55,877 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:32:55,877 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:32:55,878 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:32:55,878 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:32:55,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-01-01 23:32:55,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-01 23:32:55,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:32:55,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:32:55,932 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:32:55,932 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:32:55,932 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:32:55,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-01-01 23:32:55,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-01 23:32:55,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:32:55,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:32:55,938 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:32:55,939 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:32:55,945 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 5#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 44#L386true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 4#L394true main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 50#L873true assume 0 != main_~tmp~6; 33#L850true 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; 28#L407-1true [2019-01-01 23:32:55,945 INFO L796 eck$LassoCheckResult]: Loop: 28#L407-1true assume !false; 58#L57true assume test_~splverifierCounter~0 < 4; 3#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 22#L66true assume !(0 != test_~tmp~0); 20#L66-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 8#L76true assume !(0 != test_~tmp___0~0); 7#L76-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 53#L86true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 46#L94-1true assume !(0 != ~pumpRunning~0); 55#L130true assume !(0 != ~systemActive~0); 32#L137true havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 38#L324true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 25#L407true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 28#L407-1true [2019-01-01 23:32:55,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:55,960 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:32:55,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:55,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:56,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:56,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:56,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:56,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:56,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941108, now seen corresponding path program 1 times [2019-01-01 23:32:56,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:56,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:56,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:56,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:56,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:32:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:32:56,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:32:56,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:32:56,930 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:32:56,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:32:56,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:32:56,954 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-01-01 23:32:57,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:32:57,139 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2019-01-01 23:32:57,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:32:57,144 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2019-01-01 23:32:57,156 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2019-01-01 23:32:57,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2019-01-01 23:32:57,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2019-01-01 23:32:57,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2019-01-01 23:32:57,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2019-01-01 23:32:57,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:32:57,171 INFO L705 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-01-01 23:32:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2019-01-01 23:32:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-01-01 23:32:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-01-01 23:32:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-01-01 23:32:57,214 INFO L728 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-01-01 23:32:57,215 INFO L608 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-01-01 23:32:57,215 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:32:57,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-01-01 23:32:57,218 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-01-01 23:32:57,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:32:57,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:32:57,223 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:32:57,223 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:32:57,223 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 175#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 176#L386 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 173#L394 main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 174#L873 assume 0 != main_~tmp~6; 208#L850 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; 209#L407-1 [2019-01-01 23:32:57,224 INFO L796 eck$LassoCheckResult]: Loop: 209#L407-1 assume !false; 227#L57 assume test_~splverifierCounter~0 < 4; 228#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 260#L66 assume !(0 != test_~tmp~0); 258#L66-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 257#L76 assume !(0 != test_~tmp___0~0); 255#L76-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 254#L86 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 222#L94-1 assume !(0 != ~pumpRunning~0); 234#L130 assume 0 != ~systemActive~0; 233#L137 havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 232#L324 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 230#L407 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 209#L407-1 [2019-01-01 23:32:57,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:57,224 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:32:57,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:57,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:57,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:57,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:57,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:57,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:57,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030481, now seen corresponding path program 1 times [2019-01-01 23:32:57,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:57,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:57,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:57,561 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:32:57,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:57,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:57,581 INFO L82 PathProgramCache]: Analyzing trace with hash 41248457, now seen corresponding path program 1 times [2019-01-01 23:32:57,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:57,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:57,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:57,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:57,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:58,576 WARN L181 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-01-01 23:32:58,878 WARN L181 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:33:28,705 WARN L181 SmtUtils]: Spent 29.81 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:33:43,927 WARN L181 SmtUtils]: Spent 15.22 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:33:44,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:33:44 BoogieIcfgContainer [2019-01-01 23:33:44,032 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:33:44,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:33:44,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:33:44,033 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:33:44,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:55" (3/4) ... [2019-01-01 23:33:44,038 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:33:44,121 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:33:44,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:33:44,124 INFO L168 Benchmark]: Toolchain (without parser) took 50186.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.7 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -61.4 MB). Peak memory consumption was 244.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:44,128 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:33:44,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.28 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:44,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -202.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:44,134 INFO L168 Benchmark]: Boogie Preprocessor took 33.71 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. [2019-01-01 23:33:44,135 INFO L168 Benchmark]: RCFGBuilder took 1094.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:44,136 INFO L168 Benchmark]: BuchiAutomizer took 48220.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.7 MB). Peak memory consumption was 415.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:44,137 INFO L168 Benchmark]: Witness Printer took 89.78 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:44,144 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 607.28 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 134.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -202.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.71 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 1094.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48220.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.7 MB). Peak memory consumption was 415.2 MB. Max. memory is 11.5 GB. * Witness Printer took 89.78 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 47.7s. Construction of modules took 0.1s. 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 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 74 SDtfs, 70 SDslu, 62 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 56]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=-2, NULL=0, NULL=0, NULL=0, NULL=-18, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64449722=0, NULL=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d873083=71, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ff5686f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@637e58cd=0, retValue_acc=0, NULL=-22, NULL=-19, NULL=-15, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=-17, NULL=-14, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=-13, NULL=-8, NULL=-11, NULL=-7, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-20, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-10, \result=0, NULL=-6, NULL=0, NULL=-25, NULL=0, tmp=0, tmp=1, NULL=0, retValue_acc=1, NULL=-26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d1d434e=0, tmp___2=71, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51cb8e0d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45b4db96=0, head=0, NULL=-9, NULL=-16, NULL=0, NULL=0, NULL=0, NULL=-21, NULL=-1, NULL=-12, NULL=-24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L281] int waterLevel = 1; [L282] int methaneLevelCritical = 0; [L594] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L791] int cleanupTimeShifts = 4; [L864] int retValue_acc ; [L865] int tmp ; [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] return (retValue_acc); [L871] tmp = valid_product() [L873] COND TRUE \read(tmp) [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L266] systemActive = 1 [L130] COND FALSE !(\read(pumpRunning)) [L137] COND TRUE \read(systemActive) [L400] int tmp ; [L401] int tmp___0 ; [L320] int retValue_acc ; [L323] retValue_acc = methaneLevelCritical [L324] return (retValue_acc); [L405] tmp = isMethaneLevelCritical() [L407] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...