./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 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_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 0.1.24-91b1670 [2018-11-28 23:25:12,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:25:12,500 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:25:12,512 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:25:12,512 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:25:12,513 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:25:12,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:25:12,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:25:12,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:25:12,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:25:12,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:25:12,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:25:12,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:25:12,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:25:12,524 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:25:12,525 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:25:12,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:25:12,527 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:25:12,529 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:25:12,531 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:25:12,532 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:25:12,533 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:25:12,536 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:25:12,536 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:25:12,537 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:25:12,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:25:12,539 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:25:12,542 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:25:12,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:25:12,545 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:25:12,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:25:12,547 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:25:12,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:25:12,550 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:25:12,551 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:25:12,551 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:25:12,552 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:25:12,568 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:25:12,569 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:25:12,570 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:25:12,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:25:12,570 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:25:12,571 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:25:12,571 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:25:12,571 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:25:12,571 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:25:12,571 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:25:12,571 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:25:12,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:25:12,572 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:25:12,572 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:25:12,572 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:25:12,572 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:25:12,573 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:25:12,573 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:25:12,573 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:25:12,573 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:25:12,573 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:25:12,573 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:25:12,574 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:25:12,574 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:25:12,574 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:25:12,574 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:25:12,574 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:25:12,575 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:25:12,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:25:12,575 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:25:12,575 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:25:12,576 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:25:12,576 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 [2018-11-28 23:25:12,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:25:12,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:25:12,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:25:12,632 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:25:12,632 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:25:12,633 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_1_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:25:12,696 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b2dd81a/1a3c9ffe46a647689753c1387b75fad5/FLAGa79d27d48 [2018-11-28 23:25:13,107 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:25:13,108 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_1_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:25:13,114 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b2dd81a/1a3c9ffe46a647689753c1387b75fad5/FLAGa79d27d48 [2018-11-28 23:25:13,489 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b2dd81a/1a3c9ffe46a647689753c1387b75fad5 [2018-11-28 23:25:13,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:25:13,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:25:13,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:25:13,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:25:13,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:25:13,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf807ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13, skipping insertion in model container [2018-11-28 23:25:13,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:25:13,545 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:25:13,785 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:25:13,789 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:25:13,807 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:25:13,825 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:25:13,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13 WrapperNode [2018-11-28 23:25:13,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:25:13,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:25:13,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:25:13,827 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:25:13,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:25:13,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:25:13,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:25:13,870 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:25:13,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (1/1) ... [2018-11-28 23:25:13,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:25:13,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:25:13,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:25:13,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:25:13,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (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 23:25:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:25:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:25:14,356 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:25:14,357 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:25:14,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:14 BoogieIcfgContainer [2018-11-28 23:25:14,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:25:14,358 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:25:14,358 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:25:14,363 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:25:14,364 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:25:14,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:25:13" (1/3) ... [2018-11-28 23:25:14,367 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13def799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:25:14, skipping insertion in model container [2018-11-28 23:25:14,367 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:25:14,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:13" (2/3) ... [2018-11-28 23:25:14,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13def799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:25:14, skipping insertion in model container [2018-11-28 23:25:14,368 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:25:14,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:14" (3/3) ... [2018-11-28 23:25:14,370 INFO L375 chiAutomizerObserver]: Analyzing ICFG jain_1_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:25:14,445 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:25:14,446 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:25:14,446 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:25:14,446 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:25:14,446 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:25:14,446 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:25:14,446 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:25:14,446 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:25:14,447 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:25:14,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:25:14,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:25:14,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:25:14,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:25:14,499 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:25:14,499 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:25:14,499 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:25:14,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:25:14,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:25:14,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:25:14,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:25:14,501 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:25:14,501 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:25:14,512 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~y~0;havoc main_~y~0;main_~y~0 := 1; 8#L5-2true [2018-11-28 23:25:14,512 INFO L796 eck$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 [2018-11-28 23:25:14,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:25:14,520 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:25:14,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:25:14,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:25:14,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:14,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:25:14,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:14,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:25:14,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2018-11-28 23:25:14,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:25:14,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:25:14,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:14,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:25:14,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:14,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:25:14,689 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2018-11-28 23:25:14,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:25:14,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:25:14,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:14,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:25:14,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:25:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:25:14,855 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 23:25:14,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:25:14 BoogieIcfgContainer [2018-11-28 23:25:14,991 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:25:14,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:25:14,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:25:14,991 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:25:14,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:14" (3/4) ... [2018-11-28 23:25:14,996 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:25:15,046 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:25:15,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:25:15,049 INFO L168 Benchmark]: Toolchain (without parser) took 1553.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:25:15,050 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:25:15,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 23:25:15,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.84 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 23:25:15,060 INFO L168 Benchmark]: Boogie Preprocessor took 28.64 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. [2018-11-28 23:25:15,062 INFO L168 Benchmark]: RCFGBuilder took 458.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:25:15,063 INFO L168 Benchmark]: BuchiAutomizer took 632.69 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:25:15,064 INFO L168 Benchmark]: Witness Printer took 57.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:25:15,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 42.84 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 28.64 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. * RCFGBuilder took 458.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 632.69 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.15 ms. Allocated memory is still 1.2 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@30691308=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...