./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 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_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 0.1.24-0ed9222-m [2019-01-14 02:49:56,367 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:49:56,369 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:49:56,382 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:49:56,382 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:49:56,383 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:49:56,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:49:56,387 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:49:56,389 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:49:56,390 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:49:56,391 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:49:56,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:49:56,392 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:49:56,394 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:49:56,395 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:49:56,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:49:56,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:49:56,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:49:56,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:49:56,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:49:56,405 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:49:56,406 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:49:56,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:49:56,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:49:56,410 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:49:56,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:49:56,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:49:56,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:49:56,414 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:49:56,416 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:49:56,416 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:49:56,417 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:49:56,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:49:56,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:49:56,419 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:49:56,419 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:49:56,420 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 02:49:56,438 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:49:56,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:49:56,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:49:56,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:49:56,441 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:49:56,442 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:49:56,444 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:49:56,444 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:49:56,445 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:49:56,445 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:49:56,445 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:49:56,445 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:49:56,445 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 02:49:56,445 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:49:56,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:49:56,446 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 02:49:56,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:49:56,446 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:49:56,446 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:49:56,446 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:49:56,449 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 02:49:56,449 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:49:56,449 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:49:56,449 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:49:56,449 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:49:56,450 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:49:56,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:49:56,451 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:49:56,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:49:56,451 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:49:56,451 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:49:56,452 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:49:56,453 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 [2019-01-14 02:49:56,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:49:56,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:49:56,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:49:56,520 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:49:56,521 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:49:56,521 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:49:56,585 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c90ebbf/065dddfaf4574d64bf7f70e2297327b2/FLAG4a3ccf42c [2019-01-14 02:49:57,029 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:49:57,030 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:49:57,037 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c90ebbf/065dddfaf4574d64bf7f70e2297327b2/FLAG4a3ccf42c [2019-01-14 02:49:57,428 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c90ebbf/065dddfaf4574d64bf7f70e2297327b2 [2019-01-14 02:49:57,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:49:57,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:49:57,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:49:57,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:49:57,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:49:57,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c948153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57, skipping insertion in model container [2019-01-14 02:49:57,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:49:57,467 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:49:57,650 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:49:57,655 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:49:57,675 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:49:57,694 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:49:57,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57 WrapperNode [2019-01-14 02:49:57,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:49:57,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:49:57,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:49:57,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:49:57,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:49:57,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:49:57,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:49:57,747 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:49:57,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (1/1) ... [2019-01-14 02:49:57,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:49:57,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:49:57,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:49:57,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:49:57,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (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 02:49:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:49:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:49:58,157 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:49:58,158 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 02:49:58,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:49:58 BoogieIcfgContainer [2019-01-14 02:49:58,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:49:58,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:49:58,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:49:58,164 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:49:58,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:49:58,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:49:57" (1/3) ... [2019-01-14 02:49:58,166 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31aecc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:49:58, skipping insertion in model container [2019-01-14 02:49:58,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:49:58,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:49:57" (2/3) ... [2019-01-14 02:49:58,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31aecc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:49:58, skipping insertion in model container [2019-01-14 02:49:58,167 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:49:58,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:49:58" (3/3) ... [2019-01-14 02:49:58,169 INFO L375 chiAutomizerObserver]: Analyzing ICFG jain_6_true-unreach-call_true-no-overflow_false-termination.i [2019-01-14 02:49:58,226 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:49:58,226 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:49:58,227 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:49:58,227 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:49:58,227 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:49:58,227 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:49:58,227 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:49:58,227 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:49:58,228 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:49:58,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:49:58,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:49:58,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:49:58,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:49:58,270 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:49:58,270 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:49:58,270 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:49:58,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:49:58,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:49:58,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:49:58,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:49:58,272 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:49:58,272 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:49:58,280 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := 0;main_~y~0 := 0;main_~z~0 := 0; 9#L5-2true [2019-01-14 02:49:58,281 INFO L796 eck$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 [2019-01-14 02:49:58,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:49:58,287 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 02:49:58,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:49:58,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:49:58,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:58,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:49:58,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:58,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:49:58,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2019-01-14 02:49:58,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:49:58,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:49:58,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:58,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:49:58,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:58,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:49:58,408 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2019-01-14 02:49:58,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:49:58,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:49:58,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:58,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:49:58,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:49:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:49:58,553 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-01-14 02:49:58,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:49:58 BoogieIcfgContainer [2019-01-14 02:49:58,758 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:49:58,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:49:58,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:49:58,759 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:49:58,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:49:58" (3/4) ... [2019-01-14 02:49:58,763 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 02:49:58,810 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 02:49:58,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:49:58,811 INFO L168 Benchmark]: Toolchain (without parser) took 1378.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2019-01-14 02:49:58,813 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-01-14 02:49:58,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.30 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. [2019-01-14 02:49:58,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.64 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. [2019-01-14 02:49:58,815 INFO L168 Benchmark]: Boogie Preprocessor took 33.81 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. [2019-01-14 02:49:58,815 INFO L168 Benchmark]: RCFGBuilder took 378.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 02:49:58,816 INFO L168 Benchmark]: BuchiAutomizer took 598.24 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-01-14 02:49:58,819 INFO L168 Benchmark]: Witness Printer took 51.72 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. [2019-01-14 02:49:58,828 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.30 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 49.64 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 33.81 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 378.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 598.24 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Witness Printer took 51.72 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@7acd3ef3=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52d43758=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ee68744=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...