./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 91b1670e 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 0.1.24-91b1670 [2018-11-28 23:17:13,996 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:17:13,998 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:17:14,011 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:17:14,012 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:17:14,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:17:14,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:17:14,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:17:14,019 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:17:14,020 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:17:14,021 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:17:14,022 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:17:14,023 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:17:14,025 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:17:14,027 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:17:14,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:17:14,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:17:14,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:17:14,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:17:14,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:17:14,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:17:14,039 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:17:14,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:17:14,042 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:17:14,042 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:17:14,043 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:17:14,045 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:17:14,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:17:14,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:17:14,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:17:14,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:17:14,050 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:17:14,050 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:17:14,050 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:17:14,051 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:17:14,053 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:17:14,053 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:17:14,072 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:17:14,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:17:14,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:17:14,074 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:17:14,074 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:17:14,074 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:17:14,074 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:17:14,074 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:17:14,075 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:17:14,076 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:17:14,076 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:17:14,076 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:17:14,076 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:17:14,076 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:17:14,077 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:17:14,077 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:17:14,077 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:17:14,077 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:17:14,077 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:17:14,077 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:17:14,078 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:17:14,078 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:17:14,078 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:17:14,078 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:17:14,078 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:17:14,081 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:17:14,081 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:17:14,081 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:17:14,082 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:17:14,082 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 [2018-11-28 23:17:14,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:17:14,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:17:14,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:17:14,155 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:17:14,155 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:17:14,156 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/Flip_false-termination_true-no-overflow.c [2018-11-28 23:17:14,226 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3cc2cad/7f15d966537241928473840083ab34f8/FLAG92173fa5e [2018-11-28 23:17:14,676 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:17:14,677 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/Flip_false-termination_true-no-overflow.c [2018-11-28 23:17:14,684 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3cc2cad/7f15d966537241928473840083ab34f8/FLAG92173fa5e [2018-11-28 23:17:15,057 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3cc2cad/7f15d966537241928473840083ab34f8 [2018-11-28 23:17:15,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:17:15,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:17:15,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:15,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:17:15,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:17:15,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a3633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15, skipping insertion in model container [2018-11-28 23:17:15,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:17:15,106 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:17:15,372 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:17:15,378 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:17:15,401 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:17:15,423 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:17:15,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15 WrapperNode [2018-11-28 23:17:15,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:15,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:17:15,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:17:15,427 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:17:15,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:17:15,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:17:15,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:17:15,485 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:17:15,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (1/1) ... [2018-11-28 23:17:15,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:17:15,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:17:15,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:17:15,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:17:15,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (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 [2018-11-28 23:17:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:17:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:17:15,925 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:17:15,925 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:17:15,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:15 BoogieIcfgContainer [2018-11-28 23:17:15,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:17:15,926 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:17:15,926 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:17:15,932 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:17:15,933 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:15,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:17:15" (1/3) ... [2018-11-28 23:17:15,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f2392f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:15, skipping insertion in model container [2018-11-28 23:17:15,935 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:15,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:15" (2/3) ... [2018-11-28 23:17:15,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f2392f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:15, skipping insertion in model container [2018-11-28 23:17:15,936 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:15,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:15" (3/3) ... [2018-11-28 23:17:15,940 INFO L375 chiAutomizerObserver]: Analyzing ICFG Flip_false-termination_true-no-overflow.c [2018-11-28 23:17:16,036 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:17:16,037 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:17:16,037 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:17:16,038 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:17:16,038 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:17:16,038 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:17:16,038 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:17:16,038 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:17:16,038 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:17:16,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 23:17:16,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:17:16,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:16,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:16,101 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:17:16,101 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:17:16,101 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:17:16,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 23:17:16,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:17:16,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:16,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:16,103 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:17:16,104 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:17:16,113 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~t~0;havoc main_~i~0;havoc main_~j~0;havoc main_~t~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~t~0 := 0; 5#L13-2true [2018-11-28 23:17:16,113 INFO L796 eck$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 [2018-11-28 23:17:16,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:16,125 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:17:16,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:16,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:16,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:16,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:16,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:16,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:16,234 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 23:17:16,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:16,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:16,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:16,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:16,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:16,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:16,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 23:17:16,257 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:16,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:16,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:16,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:16,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:16,424 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 23:17:16,542 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:16,543 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:16,543 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:16,543 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:16,545 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:17:16,546 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:16,546 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:16,546 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:16,546 INFO L131 ssoRankerPreferences]: Filename of dumped script: Flip_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:17:16,546 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:16,548 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:16,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:16,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:16,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:16,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:16,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:16,883 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 23:17:16,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:17,050 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:17:17,485 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-11-28 23:17:17,554 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:17,555 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 [2018-11-28 23:17:17,561 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,561 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:17,568 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:17,568 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 [2018-11-28 23:17:17,592 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,592 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:17,612 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:17,613 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) [2018-11-28 23:17:17,632 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,632 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 [2018-11-28 23:17:17,642 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:17,642 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 [2018-11-28 23:17:17,661 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,662 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:17,684 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:17,685 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) [2018-11-28 23:17:17,720 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,720 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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) [2018-11-28 23:17:17,781 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:17:17,782 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:17,949 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:17,949 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 [2018-11-28 23:17:17,987 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:17,987 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:18,009 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:18,009 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: [] [2018-11-28 23:17:18,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-28 23:17:18,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-28 23:17:18,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,026 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-28 23:17:18,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:17:18 BoogieIcfgContainer [2018-11-28 23:17:18,044 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:17:18,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:17:18,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:17:18,045 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:17:18,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:15" (3/4) ... [2018-11-28 23:17:18,050 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:17:18,100 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:17:18,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:17:18,101 INFO L168 Benchmark]: Toolchain (without parser) took 3039.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 54.5 MB). Free memory was 952.7 MB in the beginning and 937.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:18,102 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:18,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.62 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:18,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.67 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:18,104 INFO L168 Benchmark]: Boogie Preprocessor took 25.08 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:18,105 INFO L168 Benchmark]: RCFGBuilder took 415.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 54.5 MB). Free memory was 941.9 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:18,106 INFO L168 Benchmark]: BuchiAutomizer took 2118.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 937.7 MB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:18,107 INFO L168 Benchmark]: Witness Printer took 55.19 ms. Allocated memory is still 1.1 GB. Free memory is still 937.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:18,112 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.62 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 57.67 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.08 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 415.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 54.5 MB). Free memory was 941.9 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2118.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 937.7 MB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. * Witness Printer took 55.19 ms. Allocated memory is still 1.1 GB. Free memory is still 937.7 MB. 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 2.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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: 0.3s - 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. [2018-11-28 23:17:18,121 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,122 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-28 23:17:18,122 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-28 23:17:18,123 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,124 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-28 23:17:18,124 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,125 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-28 23:17:18,125 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,126 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-11-28 23:17:18,126 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-11-28 23:17:18,127 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@4e7007c1=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23cf2315=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@4e7007c1=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23cf2315=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@4e7007c1=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23cf2315=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...