./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 161919999e14c9bb99eab96b7019d04a5349d1bb ...................................................................................................................................................................................................................................................................... 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 23:25:14,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:25:14,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:25:14,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:25:14,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:25:14,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:25:14,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:25:14,424 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:25:14,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:25:14,429 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:25:14,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:25:14,431 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:25:14,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:25:14,434 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:25:14,435 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:25:14,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:25:14,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:25:14,450 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:25:14,452 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:25:14,455 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:25:14,457 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:25:14,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:25:14,463 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:25:14,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:25:14,464 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:25:14,465 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:25:14,466 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:25:14,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:25:14,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:25:14,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:25:14,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:25:14,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:25:14,474 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:25:14,475 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:25:14,477 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:25:14,478 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:25:14,478 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:25:14,499 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:25:14,499 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:25:14,500 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:25:14,501 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:25:14,501 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:25:14,501 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:25:14,502 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:25:14,502 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:25:14,502 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:25:14,502 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:25:14,502 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:25:14,502 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:25:14,503 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:25:14,503 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:25:14,503 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:25:14,503 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:25:14,503 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:25:14,503 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:25:14,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:25:14,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:25:14,506 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:25:14,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:25:14,506 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:25:14,506 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:25:14,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:25:14,506 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:25:14,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:25:14,508 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:25:14,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:25:14,509 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:25:14,509 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:25:14,512 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:25:14,514 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161919999e14c9bb99eab96b7019d04a5349d1bb [2018-11-28 23:25:14,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:25:14,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:25:14,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:25:14,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:25:14,611 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:25:14,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:25:14,673 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44c287b62/fb5f36f6e9c44185bf7e8571edb27a36/FLAGc329fe1dd [2018-11-28 23:25:15,081 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:25:15,081 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:25:15,087 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44c287b62/fb5f36f6e9c44185bf7e8571edb27a36/FLAGc329fe1dd [2018-11-28 23:25:15,451 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44c287b62/fb5f36f6e9c44185bf7e8571edb27a36 [2018-11-28 23:25:15,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:25:15,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:25:15,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:25:15,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:25:15,464 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:25:15,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d72f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15, skipping insertion in model container [2018-11-28 23:25:15,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:25:15,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:25:15,723 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:25:15,730 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:25:15,753 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:25:15,772 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:25:15,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15 WrapperNode [2018-11-28 23:25:15,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:25:15,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:25:15,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:25:15,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:25:15,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:25:15,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:25:15,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:25:15,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:25:15,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (1/1) ... [2018-11-28 23:25:15,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:25:15,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:25:15,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:25:15,841 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:25:15,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (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 23:25:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:25:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:25:16,165 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:25:16,165 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:25:16,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:16 BoogieIcfgContainer [2018-11-28 23:25:16,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:25:16,167 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:25:16,167 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:25:16,171 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:25:16,171 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:25:16,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:25:15" (1/3) ... [2018-11-28 23:25:16,173 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38c3af14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:25:16, skipping insertion in model container [2018-11-28 23:25:16,173 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:25:16,173 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:15" (2/3) ... [2018-11-28 23:25:16,173 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38c3af14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:25:16, skipping insertion in model container [2018-11-28 23:25:16,174 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:25:16,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:16" (3/3) ... [2018-11-28 23:25:16,175 INFO L375 chiAutomizerObserver]: Analyzing ICFG jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:25:16,235 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:25:16,235 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:25:16,236 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:25:16,236 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:25:16,236 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:25:16,236 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:25:16,236 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:25:16,236 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:25:16,236 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:25:16,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:25:16,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:25:16,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:25:16,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:25:16,283 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:25:16,284 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:25:16,284 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:25:16,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:25:16,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:25:16,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:25:16,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:25:16,286 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:25:16,287 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:25:16,294 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := 0;main_~y~0 := 0;main_~z~0 := 0; 9#L5-2true [2018-11-28 23:25:16,294 INFO L796 eck$LassoCheckResult]: Loop: 9#L5-2true assume !false;main_~x~0 := main_~x~0 + 2 * main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_~y~0 + 4 * main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_~z~0 + 8 * main_#t~nondet2;havoc main_#t~nondet2;__VERIFIER_assert_#in~cond := (if 4 != (4 * main_~x~0 + 2 * main_~y~0 + main_~z~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L5true assume !(0 == __VERIFIER_assert_~cond); 9#L5-2true [2018-11-28 23:25:16,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:25:16,301 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:25:16,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:25:16,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:25:16,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:16,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:25:16,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:16,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:25:16,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2018-11-28 23:25:16,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:25:16,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:25:16,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:16,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:25:16,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:16,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:25:16,431 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2018-11-28 23:25:16,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:25:16,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:25:16,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:16,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:25:16,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:16,588 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-11-28 23:25:16,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:25:16 BoogieIcfgContainer [2018-11-28 23:25:16,805 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:25:16,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:25:16,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:25:16,805 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:25:16,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:16" (3/4) ... [2018-11-28 23:25:16,810 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:25:16,859 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:25:16,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:25:16,860 INFO L168 Benchmark]: Toolchain (without parser) took 1404.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -115.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:25:16,862 INFO L168 Benchmark]: CDTParser took 0.18 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 23:25:16,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:25:16,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.52 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:25:16,863 INFO L168 Benchmark]: Boogie Preprocessor took 23.81 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:25:16,864 INFO L168 Benchmark]: RCFGBuilder took 325.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:25:16,865 INFO L168 Benchmark]: BuchiAutomizer took 637.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:25:16,866 INFO L168 Benchmark]: Witness Printer took 54.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:25:16,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 315.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.52 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.81 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 325.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 637.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Witness Printer took 54.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {cond=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@424ae7a5=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@196fef68=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d31934f=0, z=0, \old(cond)=1, x=0, y=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 4]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] unsigned int x,y,z; [L14] x=0U [L15] y=0U [L16] z=0U Loop: [L18] COND TRUE 1 [L20] x = x +2U*__VERIFIER_nondet_uint() [L21] y = y +4U*__VERIFIER_nondet_uint() [L22] z = z +8U*__VERIFIER_nondet_uint() [L5] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...