./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/bitvector/jain_7_true-unreach-call_true-no-overflow_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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/bitvector/jain_7_true-unreach-call_true-no-overflow_false-termination.i -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 7d6184439bd2d68a79fcaf77b73b718dbf21eef0 ...................................................................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-14 02:49:59,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:49:59,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:49:59,711 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:49:59,711 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:49:59,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:49:59,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:49:59,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:49:59,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:49:59,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:49:59,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:49:59,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:49:59,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:49:59,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:49:59,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:49:59,726 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:49:59,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:49:59,732 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:49:59,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:49:59,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:49:59,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:49:59,744 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:49:59,747 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:49:59,749 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:49:59,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:49:59,750 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:49:59,751 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:49:59,753 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:49:59,754 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:49:59,755 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:49:59,756 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:49:59,756 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:49:59,757 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:49:59,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:49:59,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:49:59,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:49:59,761 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 02:49:59,786 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:49:59,787 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:49:59,789 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:49:59,790 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:49:59,790 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:49:59,791 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:49:59,791 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:49:59,792 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:49:59,792 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:49:59,792 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:49:59,793 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:49:59,793 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:49:59,793 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 02:49:59,793 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:49:59,793 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:49:59,794 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 02:49:59,794 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:49:59,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:49:59,795 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:49:59,795 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:49:59,795 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 02:49:59,795 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:49:59,795 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:49:59,795 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:49:59,796 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:49:59,799 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:49:59,799 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:49:59,799 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:49:59,799 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:49:59,800 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:49:59,800 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:49:59,802 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:49:59,802 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 -> 7d6184439bd2d68a79fcaf77b73b718dbf21eef0 [2019-01-14 02:49:59,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:49:59,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:49:59,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:49:59,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:49:59,866 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:49:59,866 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_7_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:49:59,933 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc800476/8ed0875aa77c4c5dac4943dd6e14e773/FLAGa2ba07a5f [2019-01-14 02:50:00,311 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:50:00,311 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_7_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:50:00,317 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc800476/8ed0875aa77c4c5dac4943dd6e14e773/FLAGa2ba07a5f [2019-01-14 02:50:00,694 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc800476/8ed0875aa77c4c5dac4943dd6e14e773 [2019-01-14 02:50:00,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:50:00,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:50:00,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:50:00,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:50:00,704 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:50:00,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:00,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e21fa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00, skipping insertion in model container [2019-01-14 02:50:00,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:00,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:50:00,732 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:50:00,947 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:50:00,952 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:50:00,975 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:50:00,997 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:50:00,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00 WrapperNode [2019-01-14 02:50:00,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:50:00,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:50:00,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:50:00,999 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:50:01,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:50:01,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:50:01,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:50:01,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:50:01,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (1/1) ... [2019-01-14 02:50:01,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:50:01,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:50:01,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:50:01,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:50:01,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (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 [2019-01-14 02:50:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:50:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:50:01,384 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:50:01,384 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 02:50:01,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:50:01 BoogieIcfgContainer [2019-01-14 02:50:01,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:50:01,386 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:50:01,386 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:50:01,390 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:50:01,390 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:50:01,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:50:00" (1/3) ... [2019-01-14 02:50:01,392 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68a7b65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:50:01, skipping insertion in model container [2019-01-14 02:50:01,392 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:50:01,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:50:00" (2/3) ... [2019-01-14 02:50:01,392 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68a7b65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:50:01, skipping insertion in model container [2019-01-14 02:50:01,393 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:50:01,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:50:01" (3/3) ... [2019-01-14 02:50:01,394 INFO L375 chiAutomizerObserver]: Analyzing ICFG jain_7_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:50:01,450 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:50:01,450 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:50:01,451 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:50:01,451 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:50:01,451 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:50:01,451 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:50:01,452 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:50:01,452 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:50:01,452 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:50:01,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:50:01,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:50:01,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:50:01,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:50:01,496 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:50:01,496 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:50:01,496 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:50:01,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:50:01,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:50:01,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:50:01,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:50:01,498 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:50:01,498 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:50:01,506 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := 0;main_~y~0 := 0;main_~z~0 := 0; 9#L5-2true [2019-01-14 02:50:01,507 INFO L796 eck$LassoCheckResult]: Loop: 9#L5-2true assume !false;main_~x~0 := main_~x~0 + 1048576 * main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_~y~0 + 2097152 * main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_~z~0 + 4194304 * main_#t~nondet2;havoc main_#t~nondet2;__VERIFIER_assert_#in~cond := (if 1048576 != (4 * main_~x~0 - 2 * main_~y~0 + main_~z~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L5true assume !(0 == __VERIFIER_assert_~cond); 9#L5-2true [2019-01-14 02:50:01,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:50:01,513 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 02:50:01,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:50:01,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:50:01,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:50:01,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:50:01,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:50:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:50:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:50:01,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:50:01,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2019-01-14 02:50:01,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:50:01,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:50:01,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:50:01,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:50:01,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:50:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:50:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:50:01,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:50:01,646 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2019-01-14 02:50:01,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:50:01,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:50:01,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:50:01,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:50:01,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:50:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:50:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:50:01,850 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-01-14 02:50:01,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:50:01 BoogieIcfgContainer [2019-01-14 02:50:01,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:50:01,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:50:01,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:50:01,993 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:50:01,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:50:01" (3/4) ... [2019-01-14 02:50:01,997 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 02:50:02,040 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 02:50:02,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:50:02,041 INFO L168 Benchmark]: Toolchain (without parser) took 1342.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:50:02,042 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-01-14 02:50:02,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.87 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. [2019-01-14 02:50:02,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.13 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. [2019-01-14 02:50:02,044 INFO L168 Benchmark]: Boogie Preprocessor took 26.18 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. [2019-01-14 02:50:02,045 INFO L168 Benchmark]: RCFGBuilder took 318.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 02:50:02,046 INFO L168 Benchmark]: BuchiAutomizer took 606.19 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-01-14 02:50:02,047 INFO L168 Benchmark]: Witness Printer took 47.75 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. [2019-01-14 02:50:02,051 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 297.87 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 42.13 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 26.18 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 318.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 606.19 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 47.75 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 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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: 1]: 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 {cond=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32c82697=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50cabd56=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2007674f=0, z=0, \old(cond)=1, x=0, y=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 4]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] unsigned int x,y,z; [L14] x=0U [L15] y=0U [L16] z=0U Loop: [L18] COND TRUE 1 [L20] x = x +1048576U*__VERIFIER_nondet_uint() [L21] y = y +2097152U*__VERIFIER_nondet_uint() [L22] z = z +4194304U*__VERIFIER_nondet_uint() [L5] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...