./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/NO_00_false-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/NO_00_false-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 724e4305193cb3f57fe41617237707ffca942b7e ............................................................................................................................................................................................................................................................. 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 21:39:21,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:39:21,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:39:21,916 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:39:21,916 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:39:21,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:39:21,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:39:21,927 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:39:21,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:39:21,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:39:21,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:39:21,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:39:21,932 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:39:21,933 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:39:21,934 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:39:21,935 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:39:21,936 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:39:21,938 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:39:21,940 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:39:21,941 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:39:21,942 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:39:21,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:39:21,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:39:21,946 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:39:21,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:39:21,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:39:21,948 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:39:21,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:39:21,950 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:39:21,951 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:39:21,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:39:21,952 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:39:21,952 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:39:21,952 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:39:21,953 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:39:21,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:39:21,954 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:39:21,972 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:39:21,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:39:21,974 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:39:21,974 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:39:21,974 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:39:21,974 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:39:21,975 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:39:21,975 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:39:21,975 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:39:21,975 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:39:21,975 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:39:21,975 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:39:21,977 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:39:21,977 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:39:21,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:39:21,977 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:39:21,977 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:39:21,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:39:21,978 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:39:21,978 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:39:21,978 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:39:21,978 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:39:21,978 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:39:21,980 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:39:21,981 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:39:21,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:39:21,981 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:39:21,981 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:39:21,983 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:39:21,984 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724e4305193cb3f57fe41617237707ffca942b7e [2019-01-01 21:39:22,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:39:22,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:39:22,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:39:22,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:39:22,070 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:39:22,071 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/NO_00_false-termination_true-no-overflow.c [2019-01-01 21:39:22,129 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95b083f7/6842259371d54a11b7831b012acd4f4b/FLAG9174fc66c [2019-01-01 21:39:22,615 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:39:22,616 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/NO_00_false-termination_true-no-overflow.c [2019-01-01 21:39:22,621 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95b083f7/6842259371d54a11b7831b012acd4f4b/FLAG9174fc66c [2019-01-01 21:39:22,975 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95b083f7/6842259371d54a11b7831b012acd4f4b [2019-01-01 21:39:22,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:39:22,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:39:22,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:39:22,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:39:22,985 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:39:22,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:39:22" (1/1) ... [2019-01-01 21:39:22,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453557c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:22, skipping insertion in model container [2019-01-01 21:39:22,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:39:22" (1/1) ... [2019-01-01 21:39:23,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:39:23,019 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:39:23,223 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:39:23,229 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:39:23,250 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:39:23,267 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:39:23,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23 WrapperNode [2019-01-01 21:39:23,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:39:23,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:39:23,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:39:23,270 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:39:23,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:39:23,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:39:23,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:39:23,310 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:39:23,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (1/1) ... [2019-01-01 21:39:23,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:39:23,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:39:23,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:39:23,337 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:39:23,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (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 21:39:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:39:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:39:23,729 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:39:23,729 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:39:23,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:39:23 BoogieIcfgContainer [2019-01-01 21:39:23,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:39:23,732 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:39:23,732 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:39:23,736 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:39:23,737 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:39:23,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:39:22" (1/3) ... [2019-01-01 21:39:23,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41bc84e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:39:23, skipping insertion in model container [2019-01-01 21:39:23,739 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:39:23,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:23" (2/3) ... [2019-01-01 21:39:23,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41bc84e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:39:23, skipping insertion in model container [2019-01-01 21:39:23,740 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:39:23,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:39:23" (3/3) ... [2019-01-01 21:39:23,743 INFO L375 chiAutomizerObserver]: Analyzing ICFG NO_00_false-termination_true-no-overflow.c [2019-01-01 21:39:23,813 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:39:23,814 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:39:23,814 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:39:23,814 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:39:23,814 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:39:23,814 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:39:23,814 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:39:23,815 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:39:23,815 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:39:23,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-01 21:39:23,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:39:23,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:39:23,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:39:23,859 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:39:23,859 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:39:23,859 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:39:23,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-01 21:39:23,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:39:23,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:39:23,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:39:23,860 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:39:23,860 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:39:23,869 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 5#L9-2true [2019-01-01 21:39:23,870 INFO L796 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!(main_~i~0 < 100);main_~i~0 := main_~i~0; 5#L9-2true [2019-01-01 21:39:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:39:23,880 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 21:39:23,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:39:23,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:39:23,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:23,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:39:23,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:39:23,981 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-01 21:39:23,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:39:23,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:39:23,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:23,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:39:23,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:23,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:39:23,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-01 21:39:23,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:39:23,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:39:23,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:23,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:39:23,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:24,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:39:24 BoogieIcfgContainer [2019-01-01 21:39:24,199 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:39:24,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:39:24,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:39:24,199 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:39:24,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:39:23" (3/4) ... [2019-01-01 21:39:24,205 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 21:39:24,254 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 21:39:24,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:39:24,256 INFO L168 Benchmark]: Toolchain (without parser) took 1276.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:24,260 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:24,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.99 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:24,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.09 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:24,264 INFO L168 Benchmark]: Boogie Preprocessor took 26.66 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:24,266 INFO L168 Benchmark]: RCFGBuilder took 394.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:24,268 INFO L168 Benchmark]: BuchiAutomizer took 466.72 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:24,269 INFO L168 Benchmark]: Witness Printer took 55.67 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 21:39:24,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.99 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.09 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.66 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 394.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 466.72 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Witness Printer took 55.67 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 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: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, i=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 Loop: [L9] COND TRUE i < 100 [L10] i = i+0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...