./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/sum01_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loops/sum01_false-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 5cba8acfa381c990ec40e4bf9e5d202ee845a576 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 03:40:42,974 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:40:42,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:40:42,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:40:42,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:40:42,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:40:42,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:40:42,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:40:43,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:40:43,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:40:43,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:40:43,002 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:40:43,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:40:43,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:40:43,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:40:43,012 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:40:43,013 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:40:43,018 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:40:43,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:40:43,024 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:40:43,029 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:40:43,031 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:40:43,035 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:40:43,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:40:43,036 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:40:43,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:40:43,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:40:43,044 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:40:43,045 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:40:43,046 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:40:43,046 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:40:43,046 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:40:43,050 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:40:43,050 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:40:43,051 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:40:43,053 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:40:43,053 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:40:43,084 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:40:43,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:40:43,085 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:40:43,085 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:40:43,085 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:40:43,086 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:40:43,086 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:40:43,087 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:40:43,087 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:40:43,087 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:40:43,087 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:40:43,087 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:40:43,088 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:40:43,088 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:40:43,088 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:40:43,089 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:40:43,089 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:40:43,089 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:40:43,089 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:40:43,089 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:40:43,089 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:40:43,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:40:43,090 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:40:43,090 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:40:43,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:40:43,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:40:43,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:40:43,091 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:40:43,092 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:40:43,092 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:40:43,092 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:40:43,093 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:40:43,093 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 -> 5cba8acfa381c990ec40e4bf9e5d202ee845a576 [2019-01-14 03:40:43,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:40:43,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:40:43,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:40:43,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:40:43,164 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:40:43,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/sum01_false-unreach-call_true-termination.i [2019-01-14 03:40:43,219 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1625c659/483d8c2213814e24a336729965fa9d2d/FLAG5f1f7952d [2019-01-14 03:40:43,586 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:40:43,587 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/sum01_false-unreach-call_true-termination.i [2019-01-14 03:40:43,593 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1625c659/483d8c2213814e24a336729965fa9d2d/FLAG5f1f7952d [2019-01-14 03:40:43,978 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1625c659/483d8c2213814e24a336729965fa9d2d [2019-01-14 03:40:43,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:40:43,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:40:43,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:40:43,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:40:43,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:40:43,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:40:43" (1/1) ... [2019-01-14 03:40:43,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6255b6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:43, skipping insertion in model container [2019-01-14 03:40:43,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:40:43" (1/1) ... [2019-01-14 03:40:43,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:40:44,014 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:40:44,176 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:40:44,180 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:40:44,196 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:40:44,212 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:40:44,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44 WrapperNode [2019-01-14 03:40:44,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:40:44,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:40:44,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:40:44,213 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:40:44,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:40:44,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:40:44,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:40:44,240 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:40:44,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... [2019-01-14 03:40:44,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:40:44,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:40:44,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:40:44,259 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:40:44,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:40:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:40:44,535 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:40:44,535 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 03:40:44,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:40:44 BoogieIcfgContainer [2019-01-14 03:40:44,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:40:44,537 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:40:44,538 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:40:44,540 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:40:44,541 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:40:44,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:40:43" (1/3) ... [2019-01-14 03:40:44,542 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c978a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:40:44, skipping insertion in model container [2019-01-14 03:40:44,543 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:40:44,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:44" (2/3) ... [2019-01-14 03:40:44,543 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c978a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:40:44, skipping insertion in model container [2019-01-14 03:40:44,543 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:40:44,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:40:44" (3/3) ... [2019-01-14 03:40:44,545 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum01_false-unreach-call_true-termination.i [2019-01-14 03:40:44,628 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:40:44,628 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:40:44,629 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:40:44,629 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:40:44,629 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:40:44,629 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:40:44,629 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:40:44,630 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:40:44,630 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:40:44,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-14 03:40:44,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:40:44,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:40:44,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:40:44,723 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:40:44,727 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 03:40:44,727 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:40:44,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-14 03:40:44,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:40:44,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:40:44,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:40:44,729 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:40:44,729 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 03:40:44,747 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2019-01-14 03:40:44,749 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 10#L14true assume main_~i~0 < 10;main_~sn~0 := 2 + main_~sn~0; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2019-01-14 03:40:44,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:44,757 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 03:40:44,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:44,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:44,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:44,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:44,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:44,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:44,857 INFO L82 PathProgramCache]: Analyzing trace with hash 38828, now seen corresponding path program 1 times [2019-01-14 03:40:44,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:44,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:44,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:44,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:44,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:44,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:44,870 INFO L82 PathProgramCache]: Analyzing trace with hash 962349, now seen corresponding path program 1 times [2019-01-14 03:40:44,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:44,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:44,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:44,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:44,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:44,983 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:40:44,984 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:40:44,984 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:40:44,984 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:40:44,985 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:40:44,985 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:44,986 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:40:44,986 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:40:44,986 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-14 03:40:44,986 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:40:44,986 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:40:45,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:45,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:45,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:45,170 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:40:45,171 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 [2019-01-14 03:40:45,180 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:40:45,180 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-14 03:40:45,216 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:40:45,216 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:40:45,239 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:40:45,239 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=-2}, {ULTIMATE.start_main_~sn~0=6}, {ULTIMATE.start_main_~sn~0=-2}] Lambdas: [4, 1, 1] Nus: [1, 0] 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 [2019-01-14 03:40:45,260 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:40:45,260 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-14 03:40:45,284 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:40:45,285 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:40:45,330 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:40:45,332 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:40:45,332 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:40:45,332 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:40:45,333 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:40:45,333 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:40:45,333 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:45,334 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:40:45,334 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:40:45,334 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-14 03:40:45,334 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:40:45,334 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:40:45,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:45,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:45,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:45,632 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:40:45,636 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:40:45,638 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 [2019-01-14 03:40:45,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:40:45,639 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:40:45,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:40:45,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:40:45,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:40:45,643 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:40:45,643 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:40:45,649 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:40:45,650 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 [2019-01-14 03:40:45,650 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:40:45,651 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:40:45,651 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:40:45,651 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:40:45,651 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:40:45,652 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:40:45,653 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:40:45,659 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:40:45,667 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-14 03:40:45,667 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 03:40:45,669 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:40:45,669 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 03:40:45,670 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:40:45,670 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 Supporting invariants [] [2019-01-14 03:40:45,671 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 03:40:45,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:45,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:40:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:45,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:40:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 03:40:45,833 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 [2019-01-14 03:40:45,834 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-01-14 03:40:45,908 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 31 states and 43 transitions. Complement of second has 7 states. [2019-01-14 03:40:45,908 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 [2019-01-14 03:40:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 03:40:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-01-14 03:40:45,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2019-01-14 03:40:45,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:45,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2019-01-14 03:40:45,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:45,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2019-01-14 03:40:45,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:45,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 43 transitions. [2019-01-14 03:40:45,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:40:45,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2019-01-14 03:40:45,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-01-14 03:40:45,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-01-14 03:40:45,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-01-14 03:40:45,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 03:40:45,925 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-01-14 03:40:45,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-01-14 03:40:45,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-01-14 03:40:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 03:40:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-01-14 03:40:45,948 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-01-14 03:40:45,948 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-01-14 03:40:45,948 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 03:40:45,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-01-14 03:40:45,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:40:45,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:40:45,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:40:45,951 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 03:40:45,951 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 03:40:45,951 INFO L794 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 85#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-01-14 03:40:45,952 INFO L796 eck$LassoCheckResult]: Loop: 81#L14 assume !(main_~i~0 < 10); 86#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 80#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-01-14 03:40:45,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:45,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-01-14 03:40:45,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:45,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:45,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:45,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:45,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:45,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:45,968 INFO L82 PathProgramCache]: Analyzing trace with hash 43750, now seen corresponding path program 1 times [2019-01-14 03:40:45,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:45,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:45,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:45,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:45,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:45,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:45,975 INFO L82 PathProgramCache]: Analyzing trace with hash 29834750, now seen corresponding path program 1 times [2019-01-14 03:40:45,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:45,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:45,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:45,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:45,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 03:40:46,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 03:40:46,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 03:40:46,061 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:40:46,062 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:40:46,062 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:40:46,062 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:40:46,062 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:40:46,062 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:46,062 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:40:46,062 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:40:46,063 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_false-unreach-call_true-termination.i_Iteration2_Loop [2019-01-14 03:40:46,063 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:40:46,063 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:40:46,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:46,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:46,195 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:40:46,195 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2019-01-14 03:40:46,200 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:40:46,200 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:40:46,203 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:40:46,203 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-01-14 03:40:46,231 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:40:46,232 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-14 03:40:46,255 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:40:46,256 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:40:46,297 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:40:46,299 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:40:46,299 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:40:46,299 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:40:46,300 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:40:46,300 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:40:46,300 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:46,300 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:40:46,301 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:40:46,301 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_false-unreach-call_true-termination.i_Iteration2_Loop [2019-01-14 03:40:46,301 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:40:46,303 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:40:46,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:46,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:46,359 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:40:46,360 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:40:46,361 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 [2019-01-14 03:40:46,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:40:46,364 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:40:46,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:40:46,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:40:46,364 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:40:46,366 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:40:46,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:40:46,371 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:40:46,371 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 [2019-01-14 03:40:46,372 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:40:46,372 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:40:46,372 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:40:46,372 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:40:46,373 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:40:46,373 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:40:46,374 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:40:46,379 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:40:46,385 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-14 03:40:46,385 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 03:40:46,386 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:40:46,386 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 03:40:46,386 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:40:46,386 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-01-14 03:40:46,387 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 03:40:46,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:46,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:40:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:46,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:40:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 03:40:46,543 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 [2019-01-14 03:40:46,543 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-01-14 03:40:46,681 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 17 states and 21 transitions. Complement of second has 6 states. [2019-01-14 03:40:46,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-14 03:40:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 03:40:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-01-14 03:40:46,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 3 letters. [2019-01-14 03:40:46,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:46,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 5 letters. Loop has 3 letters. [2019-01-14 03:40:46,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:46,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-14 03:40:46,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:46,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2019-01-14 03:40:46,685 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:40:46,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-01-14 03:40:46,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:40:46,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:40:46,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:40:46,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:40:46,686 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:46,687 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:46,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 03:40:46,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 03:40:46,691 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-01-14 03:40:46,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 03:40:46,694 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-14 03:40:46,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-14 03:40:46,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-14 03:40:46,695 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:40:46,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 03:40:46,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:40:46,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:40:46,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:40:46,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:40:46,696 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:46,696 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:46,696 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:46,696 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 03:40:46,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 03:40:46,696 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:40:46,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 03:40:46,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:40:46 BoogieIcfgContainer [2019-01-14 03:40:46,704 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:40:46,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:40:46,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:40:46,704 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:40:46,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:40:44" (3/4) ... [2019-01-14 03:40:46,710 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:40:46,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:40:46,711 INFO L168 Benchmark]: Toolchain (without parser) took 2729.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -54.2 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. [2019-01-14 03:40:46,714 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. [2019-01-14 03:40:46,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.57 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:40:46,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.99 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:40:46,717 INFO L168 Benchmark]: Boogie Preprocessor took 18.48 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:40:46,718 INFO L168 Benchmark]: RCFGBuilder took 277.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-01-14 03:40:46,720 INFO L168 Benchmark]: BuchiAutomizer took 2166.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2019-01-14 03:40:46,721 INFO L168 Benchmark]: Witness Printer took 6.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:40:46,727 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 229.57 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 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 26.99 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.48 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 277.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2166.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf96 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 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...