./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/bitvector/jain_1_true-unreach-call_true-no-overflow_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/bitvector/jain_1_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 1be182b448ecd24dcaa33a463c0822c290f39b3b .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 02:49:51,286 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:49:51,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:49:51,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:49:51,302 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:49:51,303 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:49:51,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:49:51,306 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:49:51,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:49:51,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:49:51,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:49:51,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:49:51,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:49:51,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:49:51,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:49:51,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:49:51,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:49:51,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:49:51,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:49:51,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:49:51,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:49:51,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:49:51,327 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:49:51,327 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:49:51,328 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:49:51,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:49:51,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:49:51,330 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:49:51,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:49:51,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:49:51,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:49:51,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:49:51,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:49:51,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:49:51,340 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:49:51,341 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:49:51,341 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 02:49:51,358 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:49:51,358 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:49:51,359 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:49:51,359 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:49:51,359 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:49:51,360 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:49:51,360 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:49:51,360 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:49:51,360 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:49:51,360 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:49:51,360 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:49:51,361 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:49:51,361 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 02:49:51,361 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:49:51,361 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:49:51,361 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 02:49:51,361 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:49:51,362 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:49:51,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:49:51,362 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:49:51,362 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 02:49:51,362 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:49:51,362 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:49:51,362 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:49:51,363 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:49:51,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:49:51,363 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:49:51,363 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:49:51,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:49:51,364 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:49:51,364 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:49:51,365 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:49:51,365 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 -> 1be182b448ecd24dcaa33a463c0822c290f39b3b [2019-01-14 02:49:51,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:49:51,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:49:51,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:49:51,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:49:51,428 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:49:51,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_1_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:49:51,486 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d80bc63/8e46e4852f81451b871c4fa6572e9a5d/FLAGd80e45705 [2019-01-14 02:49:51,925 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:49:51,926 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_1_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:49:51,932 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d80bc63/8e46e4852f81451b871c4fa6572e9a5d/FLAGd80e45705 [2019-01-14 02:49:52,312 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d80bc63/8e46e4852f81451b871c4fa6572e9a5d [2019-01-14 02:49:52,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:49:52,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:49:52,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:49:52,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:49:52,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:49:52,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fb7911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52, skipping insertion in model container [2019-01-14 02:49:52,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:49:52,350 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:49:52,493 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:49:52,497 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:49:52,509 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:49:52,523 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:49:52,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52 WrapperNode [2019-01-14 02:49:52,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:49:52,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:49:52,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:49:52,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:49:52,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:49:52,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:49:52,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:49:52,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:49:52,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... [2019-01-14 02:49:52,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:49:52,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:49:52,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:49:52,578 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:49:52,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:49:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:49:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:49:52,819 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:49:52,819 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 02:49:52,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:49:52 BoogieIcfgContainer [2019-01-14 02:49:52,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:49:52,821 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:49:52,821 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:49:52,824 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:49:52,825 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:49:52,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:49:52" (1/3) ... [2019-01-14 02:49:52,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a5e2eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:49:52, skipping insertion in model container [2019-01-14 02:49:52,826 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:49:52,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:52" (2/3) ... [2019-01-14 02:49:52,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a5e2eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:49:52, skipping insertion in model container [2019-01-14 02:49:52,827 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:49:52,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:49:52" (3/3) ... [2019-01-14 02:49:52,829 INFO L375 chiAutomizerObserver]: Analyzing ICFG jain_1_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:49:52,889 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:49:52,890 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:49:52,890 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:49:52,890 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:49:52,890 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:49:52,890 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:49:52,891 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:49:52,891 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:49:52,891 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:49:52,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:49:52,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:49:52,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:49:52,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:49:52,941 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:49:52,942 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:49:52,942 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:49:52,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:49:52,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:49:52,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:49:52,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:49:52,943 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:49:52,944 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:49:52,951 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~y~0;havoc main_~y~0;main_~y~0 := 1; 8#L5-2true [2019-01-14 02:49:52,951 INFO L796 eck$LassoCheckResult]: Loop: 8#L5-2true assume !false;main_~y~0 := main_~y~0 + 2 * main_#t~nondet0;havoc main_#t~nondet0;__VERIFIER_assert_#in~cond := (if 0 != main_~y~0 % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3#L5true assume !(0 == __VERIFIER_assert_~cond); 8#L5-2true [2019-01-14 02:49:52,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:49:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 02:49:52,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:49:52,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:49:53,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:53,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:49:53,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:53,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:49:53,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2019-01-14 02:49:53,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:49:53,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:49:53,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:53,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:49:53,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:53,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:49:53,085 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2019-01-14 02:49:53,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:49:53,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:49:53,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:53,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:49:53,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:53,238 WARN L181 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-14 02:49:53,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:49:53 BoogieIcfgContainer [2019-01-14 02:49:53,355 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:49:53,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:49:53,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:49:53,356 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:49:53,359 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:49:52" (3/4) ... [2019-01-14 02:49:53,363 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 02:49:53,409 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 02:49:53,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:49:53,411 INFO L168 Benchmark]: Toolchain (without parser) took 1093.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:49:53,412 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:49:53,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.03 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 02:49:53,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.89 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:49:53,414 INFO L168 Benchmark]: Boogie Preprocessor took 19.54 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:49:53,415 INFO L168 Benchmark]: RCFGBuilder took 242.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 02:49:53,416 INFO L168 Benchmark]: BuchiAutomizer took 534.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-01-14 02:49:53,417 INFO L168 Benchmark]: Witness Printer took 54.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 02:49:53,424 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.03 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.2 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 33.89 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.54 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 242.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 534.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Witness Printer took 54.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 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@3b0a904d=0, \result=0, \old(cond)=1, y=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 4]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] unsigned int y; [L14] y = 1U Loop: [L16] COND TRUE 1 [L18] y = y +2U*__VERIFIER_nondet_uint() [L5] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...