./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/Flip_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/Flip_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 450446710566ec183df799a31b6732fa6118716d ......................................................................................................................................................................................................................................................................................................................................................................... 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 21:39:15,688 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:39:15,690 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:39:15,703 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:39:15,703 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:39:15,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:39:15,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:39:15,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:39:15,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:39:15,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:39:15,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:39:15,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:39:15,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:39:15,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:39:15,714 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:39:15,715 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:39:15,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:39:15,718 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:39:15,720 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:39:15,726 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:39:15,727 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:39:15,728 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:39:15,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:39:15,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:39:15,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:39:15,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:39:15,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:39:15,740 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:39:15,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:39:15,745 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:39:15,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:39:15,746 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:39:15,748 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:39:15,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:39:15,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:39:15,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:39:15,750 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:39:15,781 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:39:15,782 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:39:15,786 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:39:15,787 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:39:15,787 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:39:15,788 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:39:15,788 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:39:15,788 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:39:15,788 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:39:15,788 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:39:15,790 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:39:15,790 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:39:15,791 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:39:15,791 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:39:15,791 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:39:15,792 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:39:15,792 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:39:15,792 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:39:15,792 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:39:15,792 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:39:15,793 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:39:15,793 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:39:15,793 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:39:15,793 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:39:15,793 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:39:15,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:39:15,796 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:39:15,796 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:39:15,798 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:39:15,799 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 -> 450446710566ec183df799a31b6732fa6118716d [2019-01-01 21:39:15,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:39:15,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:39:15,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:39:15,880 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:39:15,881 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:39:15,881 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/Flip_false-termination_true-no-overflow.c [2019-01-01 21:39:15,946 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77f8af5d5/6ae4d2f261db4a63b41d16e1b51d700b/FLAGb60780c63 [2019-01-01 21:39:16,429 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:39:16,430 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/Flip_false-termination_true-no-overflow.c [2019-01-01 21:39:16,438 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77f8af5d5/6ae4d2f261db4a63b41d16e1b51d700b/FLAGb60780c63 [2019-01-01 21:39:16,788 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77f8af5d5/6ae4d2f261db4a63b41d16e1b51d700b [2019-01-01 21:39:16,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:39:16,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:39:16,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:39:16,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:39:16,799 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:39:16,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:39:16" (1/1) ... [2019-01-01 21:39:16,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1509bd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:16, skipping insertion in model container [2019-01-01 21:39:16,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:39:16" (1/1) ... [2019-01-01 21:39:16,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:39:16,832 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:39:17,039 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:39:17,043 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:39:17,063 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:39:17,081 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:39:17,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17 WrapperNode [2019-01-01 21:39:17,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:39:17,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:39:17,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:39:17,084 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:39:17,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:39:17,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:39:17,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:39:17,128 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:39:17,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (1/1) ... [2019-01-01 21:39:17,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:39:17,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:39:17,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:39:17,161 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:39:17,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (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 21:39:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:39:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:39:17,445 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:39:17,445 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:39:17,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:39:17 BoogieIcfgContainer [2019-01-01 21:39:17,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:39:17,447 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:39:17,447 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:39:17,451 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:39:17,452 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:39:17,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:39:16" (1/3) ... [2019-01-01 21:39:17,453 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d191248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:39:17, skipping insertion in model container [2019-01-01 21:39:17,453 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:39:17,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:39:17" (2/3) ... [2019-01-01 21:39:17,455 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d191248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:39:17, skipping insertion in model container [2019-01-01 21:39:17,455 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:39:17,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:39:17" (3/3) ... [2019-01-01 21:39:17,458 INFO L375 chiAutomizerObserver]: Analyzing ICFG Flip_false-termination_true-no-overflow.c [2019-01-01 21:39:17,524 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:39:17,525 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:39:17,525 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:39:17,525 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:39:17,525 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:39:17,525 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:39:17,525 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:39:17,525 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:39:17,525 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:39:17,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-01 21:39:17,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:39:17,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:39:17,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:39:17,575 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:39:17,575 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:39:17,575 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:39:17,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-01 21:39:17,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:39:17,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:39:17,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:39:17,577 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:39:17,577 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:39:17,586 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~t~0;havoc main_~i~0;havoc main_~j~0;havoc main_~t~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~t~0 := 0; 5#L13-2true [2019-01-01 21:39:17,586 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(0 != main_~i~0 && 0 != main_~j~0);main_~t~0 := main_~i~0;main_~i~0 := main_~j~0;main_~j~0 := main_~t~0; 5#L13-2true [2019-01-01 21:39:17,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:39:17,593 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 21:39:17,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:39:17,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:39:17,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:17,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:39:17,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:17,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:39:17,714 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-01 21:39:17,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:39:17,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:39:17,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:17,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:39:17,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:17,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:39:17,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-01 21:39:17,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:39:17,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:39:17,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:17,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:39:17,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:39:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:39:17,888 WARN L181 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-01 21:39:18,023 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:39:18,024 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:39:18,024 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:39:18,024 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:39:18,025 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:39:18,025 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:18,025 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:39:18,025 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:39:18,025 INFO L131 ssoRankerPreferences]: Filename of dumped script: Flip_false-termination_true-no-overflow.c_Iteration1_Lasso [2019-01-01 21:39:18,025 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:39:18,026 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:39:18,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:18,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:18,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:18,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:18,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:18,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:18,354 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 21:39:18,816 WARN L181 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-01-01 21:39:18,831 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:39:18,832 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:18,838 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:39:18,838 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:39:18,845 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:39:18,846 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:18,867 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:39:18,867 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:39:18,887 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:39:18,887 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 21:39:18,902 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:39:18,903 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:18,913 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:39:18,913 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:18,934 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:39:18,935 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:39:18,939 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:39:18,939 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:18,961 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:39:18,962 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:18,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:39:18,995 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:39:19,156 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:39:19,156 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~j~0=3, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=3} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=7, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=2, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=-6, ULTIMATE.start_main_~i~0=0}] Lambdas: [0, 3, 0] Nus: [0, 1] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:19,178 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:39:19,178 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:39:19,201 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:39:19,202 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-01-01 21:39:19,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-01 21:39:19,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-01 21:39:19,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-01 21:39:19,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:39:19 BoogieIcfgContainer [2019-01-01 21:39:19,236 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:39:19,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:39:19,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:39:19,237 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:39:19,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:39:17" (3/4) ... [2019-01-01 21:39:19,241 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 21:39:19,282 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 21:39:19,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:39:19,283 INFO L168 Benchmark]: Toolchain (without parser) took 2490.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -82.1 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:19,285 INFO L168 Benchmark]: CDTParser took 0.45 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 21:39:19,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.96 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:19,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.42 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:19,286 INFO L168 Benchmark]: Boogie Preprocessor took 31.95 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:19,287 INFO L168 Benchmark]: RCFGBuilder took 285.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:19,290 INFO L168 Benchmark]: BuchiAutomizer took 1789.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:19,291 INFO L168 Benchmark]: Witness Printer took 45.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:19,300 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 287.96 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 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 44.42 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.95 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 285.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1789.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. * Witness Printer took 45.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * 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 1.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: Lassos: inital21 mio100 ax161 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq214 hnf93 smp100 dnf276 smp100 tf100 neg93 sie114 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 13]: Nontermination argument in form of an infinite program execution. [2019-01-01 21:39:19,310 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,310 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-01 21:39:19,311 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,311 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-01 21:39:19,312 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,312 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-01 21:39:19,313 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,313 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-01 21:39:19,314 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,314 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-01-01 21:39:19,315 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-01-01 21:39:19,315 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b123ea6=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7059488c=0, ~unnamed0~0~false=0, i=0, j=0} State at position 1 is {t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b123ea6=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7059488c=0, ~unnamed0~0~false=0, i=3, j=3} For i>1, the state at position i is {t=0 + sum_{k=0}^i 7*0^k + 2*3^k + -6*0^k + -6*k*3^(k-1), org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b123ea6=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7059488c=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, i=3 + sum_{k=0}^i 0, j=3 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [0, 3, 0] Mus: [0, 1] - NonterminatingLassoResult [Line: 13]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] int t; [L9] i = __VERIFIER_nondet_int() [L10] j = __VERIFIER_nondet_int() [L11] t = 0 Loop: [L13] COND TRUE i != 0 && j != 0 [L14] t = i [L15] i = j [L16] j = t End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...