./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-invgen/large_const_true-unreach-call_true-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/loop-invgen/large_const_true-unreach-call_true-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 b03e1cb325e2c3a8ef30197a8e07012b3a728d97 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:44:01,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:44:01,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:44:01,542 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:44:01,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:44:01,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:44:01,545 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:44:01,556 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:44:01,558 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:44:01,559 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:44:01,559 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:44:01,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:44:01,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:44:01,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:44:01,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:44:01,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:44:01,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:44:01,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:44:01,569 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:44:01,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:44:01,572 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:44:01,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:44:01,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:44:01,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:44:01,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:44:01,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:44:01,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:44:01,580 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:44:01,581 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:44:01,582 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:44:01,583 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:44:01,583 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:44:01,583 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:44:01,584 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:44:01,585 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:44:01,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:44:01,586 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:44:01,607 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:44:01,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:44:01,609 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:44:01,609 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:44:01,609 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:44:01,610 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:44:01,610 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:44:01,610 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:44:01,610 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:44:01,610 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:44:01,611 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:44:01,611 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:44:01,611 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:44:01,611 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:44:01,611 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:44:01,611 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:44:01,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:44:01,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:44:01,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:44:01,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:44:01,612 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:44:01,612 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:44:01,614 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:44:01,615 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:44:01,615 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:44:01,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:44:01,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:44:01,615 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:44:01,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:44:01,616 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:44:01,617 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:44:01,618 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:44:01,618 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 -> b03e1cb325e2c3a8ef30197a8e07012b3a728d97 [2018-11-28 23:44:01,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:44:01,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:44:01,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:44:01,674 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:44:01,674 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:44:01,675 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-11-28 23:44:01,740 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324837ada/36e3db014a104f13bff6a5c9860e376d/FLAG07965e738 [2018-11-28 23:44:02,190 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:44:02,191 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-11-28 23:44:02,200 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324837ada/36e3db014a104f13bff6a5c9860e376d/FLAG07965e738 [2018-11-28 23:44:02,548 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324837ada/36e3db014a104f13bff6a5c9860e376d [2018-11-28 23:44:02,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:44:02,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:44:02,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:44:02,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:44:02,557 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:44:02,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a92968e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02, skipping insertion in model container [2018-11-28 23:44:02,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:44:02,587 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:44:02,812 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:44:02,817 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:44:02,841 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:44:02,859 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:44:02,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02 WrapperNode [2018-11-28 23:44:02,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:44:02,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:44:02,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:44:02,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:44:02,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:44:02,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:44:02,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:44:02,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:44:02,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (1/1) ... [2018-11-28 23:44:02,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:44:02,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:44:02,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:44:02,946 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:44:02,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (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 23:44:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:44:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:44:03,468 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:44:03,468 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 23:44:03,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:44:03 BoogieIcfgContainer [2018-11-28 23:44:03,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:44:03,469 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:44:03,470 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:44:03,473 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:44:03,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:44:03,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:44:02" (1/3) ... [2018-11-28 23:44:03,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51239d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:44:03, skipping insertion in model container [2018-11-28 23:44:03,476 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:44:03,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:02" (2/3) ... [2018-11-28 23:44:03,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51239d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:44:03, skipping insertion in model container [2018-11-28 23:44:03,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:44:03,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:44:03" (3/3) ... [2018-11-28 23:44:03,479 INFO L375 chiAutomizerObserver]: Analyzing ICFG large_const_true-unreach-call_true-termination.i [2018-11-28 23:44:03,538 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:44:03,539 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:44:03,539 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:44:03,539 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:44:03,539 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:44:03,539 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:44:03,539 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:44:03,540 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:44:03,540 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:44:03,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-28 23:44:03,587 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2018-11-28 23:44:03,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:44:03,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:44:03,598 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:44:03,598 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:44:03,599 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:44:03,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-28 23:44:03,601 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2018-11-28 23:44:03,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:44:03,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:44:03,602 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:44:03,602 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:44:03,612 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L17true assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 14#L26-2true [2018-11-28 23:44:03,613 INFO L796 eck$LassoCheckResult]: Loop: 14#L26-2true assume !!(main_~i~0 < main_~n~0);main_#t~post2 := main_~i~0;main_~i~0 := 1 + main_#t~post2;havoc main_#t~post2;main_~v~0 := main_#t~nondet3;havoc main_#t~nondet3; 11#L23true assume !!(0 <= main_~v~0 && main_~n~0 < 2); 15#L24true assume 0 == main_~v~0;main_~k~0 := main_~k~0 + main_~c1~0; 14#L26-2true [2018-11-28 23:44:03,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:44:03,620 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2018-11-28 23:44:03,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:44:03,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:44:03,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:03,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:44:03,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:03,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:44:03,734 INFO L82 PathProgramCache]: Analyzing trace with hash 44849, now seen corresponding path program 1 times [2018-11-28 23:44:03,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:44:03,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:44:03,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:03,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:44:03,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:03,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:44:03,754 INFO L82 PathProgramCache]: Analyzing trace with hash 29746476, now seen corresponding path program 1 times [2018-11-28 23:44:03,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:44:03,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:44:03,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:03,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:44:03,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:03,950 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:44:03,952 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:44:03,952 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:44:03,952 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:44:03,952 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:44:03,952 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:03,953 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:44:03,953 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:44:03,953 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 23:44:03,953 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:44:03,954 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:44:03,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:04,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:04,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:04,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:04,347 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:44:04,463 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:44:04,464 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:04,469 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:44:04,469 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:44:04,478 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:44:04,478 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Honda state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:04,503 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:44:04,503 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:44:04,507 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:44:04,508 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:04,530 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:44:04,530 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:44:04,533 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:44:04,534 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:04,558 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:44:04,558 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:04,598 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:44:04,599 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:44:04,691 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:44:04,693 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:44:04,693 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:44:04,693 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:44:04,694 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:44:04,694 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:44:04,694 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:04,694 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:44:04,694 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:44:04,694 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 23:44:04,694 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:44:04,695 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:44:04,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:04,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:04,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:04,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:04,922 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:44:04,929 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:44:04,930 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:04,932 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:04,932 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:04,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:04,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:04,933 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:04,935 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:44:04,935 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:04,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:04,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:04,942 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:04,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:04,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:04,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:04,943 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:04,944 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:44:04,944 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:04,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:04,948 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:04,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:04,948 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:04,949 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:04,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:04,949 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:04,950 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:44:04,950 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:04,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:04,952 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:04,953 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:04,953 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:04,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:04,953 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:04,953 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:04,954 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:44:04,954 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:04,962 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:44:04,970 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 23:44:04,970 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 23:44:04,972 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:44:04,972 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:44:04,973 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:44:04,973 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2018-11-28 23:44:04,974 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:44:05,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:44:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:44:05,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:44:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:44:05,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:44:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:44:05,419 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 23:44:05,421 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2018-11-28 23:44:05,556 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 49 states and 65 transitions. Complement of second has 7 states. [2018-11-28 23:44:05,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:44:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:44:05,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2018-11-28 23:44:05,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-28 23:44:05,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:44:05,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-28 23:44:05,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:44:05,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-28 23:44:05,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:44:05,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 65 transitions. [2018-11-28 23:44:05,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:44:05,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 15 states and 21 transitions. [2018-11-28 23:44:05,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2018-11-28 23:44:05,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-11-28 23:44:05,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2018-11-28 23:44:05,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:44:05,583 INFO L705 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2018-11-28 23:44:05,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2018-11-28 23:44:05,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2018-11-28 23:44:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-28 23:44:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2018-11-28 23:44:05,611 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-11-28 23:44:05,611 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-11-28 23:44:05,611 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:44:05,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2018-11-28 23:44:05,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:44:05,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:44:05,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:44:05,613 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 23:44:05,613 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:44:05,613 INFO L794 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 112#L17 assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 113#L26-2 assume !(main_~i~0 < main_~n~0); 116#L20-2 main_~j~0 := 0; 117#L32-2 [2018-11-28 23:44:05,613 INFO L796 eck$LassoCheckResult]: Loop: 117#L32-2 assume !!(main_~j~0 < main_~n~0);__VERIFIER_assert_#in~cond := (if main_~k~0 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 119#L4 assume !(0 == __VERIFIER_assert_~cond); 118#L4-2 main_#t~post4 := main_~j~0;main_~j~0 := 1 + main_#t~post4;havoc main_#t~post4;main_#t~post5 := main_~k~0;main_~k~0 := main_#t~post5 - 1;havoc main_#t~post5; 117#L32-2 [2018-11-28 23:44:05,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:44:05,614 INFO L82 PathProgramCache]: Analyzing trace with hash 959516, now seen corresponding path program 1 times [2018-11-28 23:44:05,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:44:05,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:44:05,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:05,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:44:05,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:05,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:44:05,630 INFO L82 PathProgramCache]: Analyzing trace with hash 73710, now seen corresponding path program 1 times [2018-11-28 23:44:05,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:44:05,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:44:05,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:05,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:44:05,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:44:05,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:44:05,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1479785997, now seen corresponding path program 1 times [2018-11-28 23:44:05,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:44:05,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:44:05,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:05,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:44:05,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:44:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:44:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:44:05,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:44:05,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 23:44:05,847 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:44:05,847 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:44:05,847 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:44:05,847 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:44:05,848 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:44:05,848 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:05,848 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:44:05,848 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:44:05,848 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const_true-unreach-call_true-termination.i_Iteration2_Loop [2018-11-28 23:44:05,848 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:44:05,854 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:44:05,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:05,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:06,018 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 23:44:06,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:06,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:06,326 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 16 [2018-11-28 23:44:06,375 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:44:06,376 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:06,380 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:44:06,380 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:44:06,384 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:44:06,384 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:06,405 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:44:06,406 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:06,430 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:44:06,430 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:44:06,472 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:44:06,475 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:44:06,475 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:44:06,475 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:44:06,475 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:44:06,476 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:44:06,476 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:06,476 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:44:06,476 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:44:06,476 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const_true-unreach-call_true-termination.i_Iteration2_Loop [2018-11-28 23:44:06,476 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:44:06,477 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:44:06,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:06,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:06,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:06,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:06,686 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:44:06,687 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:44:06,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:06,689 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:06,689 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:06,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:06,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:06,690 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:06,692 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:44:06,692 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:06,694 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:06,695 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:06,697 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:06,697 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:06,698 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:06,698 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:06,698 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:06,700 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:44:06,700 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:06,705 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:44:06,710 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:44:06,710 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 23:44:06,711 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:44:06,711 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:44:06,711 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:44:06,711 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-11-28 23:44:06,713 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:44:06,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:44:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:44:06,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:44:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:44:06,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:44:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:44:06,813 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:44:06,813 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-11-28 23:44:06,829 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 16 states and 23 transitions. Complement of second has 4 states. [2018-11-28 23:44:06,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 23:44:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 23:44:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2018-11-28 23:44:06,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-28 23:44:06,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:44:06,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2018-11-28 23:44:06,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:44:06,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2018-11-28 23:44:06,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:44:06,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2018-11-28 23:44:06,834 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:44:06,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2018-11-28 23:44:06,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:44:06,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:44:06,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:44:06,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:44:06,835 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:44:06,836 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:44:06,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 23:44:06,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 23:44:06,841 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2018-11-28 23:44:06,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:44:06,843 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:44:06,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:44:06,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:44:06,844 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:44:06,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:44:06,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:44:06,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:44:06,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:44:06,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:44:06,845 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:44:06,845 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:44:06,845 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:44:06,845 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:44:06,845 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:44:06,846 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:44:06,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:44:06,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:44:06 BoogieIcfgContainer [2018-11-28 23:44:06,852 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:44:06,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:44:06,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:44:06,853 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:44:06,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:44:03" (3/4) ... [2018-11-28 23:44:06,857 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:44:06,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:44:06,859 INFO L168 Benchmark]: Toolchain (without parser) took 4306.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.3 MB in the beginning and 948.1 MB in the end (delta: -759.9 kB). Peak memory consumption was 126.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:44:06,860 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 23:44:06,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.01 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:44:06,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.04 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:44:06,863 INFO L168 Benchmark]: Boogie Preprocessor took 39.43 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:44:06,864 INFO L168 Benchmark]: RCFGBuilder took 522.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:44:06,866 INFO L168 Benchmark]: BuchiAutomizer took 3383.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.1 MB in the end (delta: 156.4 MB). Peak memory consumption was 156.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:44:06,866 INFO L168 Benchmark]: Witness Printer took 4.96 ms. Allocated memory is still 1.2 GB. Free memory is still 948.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:44:06,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 307.01 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 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 45.04 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.43 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 522.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3383.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.1 MB in the end (delta: 156.4 MB). Peak memory consumption was 156.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.96 ms. Allocated memory is still 1.2 GB. Free memory is still 948.1 MB. 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 Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function n + -1 * j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 33 SDslu, 25 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite118 ukn100 eq159 hnf92 smp77 dnf98 smp100 tf109 neg98 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...