./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-libowfat/strlen_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-libowfat/strlen_true-termination.c.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 9e321f94e243f740485324fea88a9a86c3c635cf ..................................................................................................................................................................................................................................................................................................................................................... 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 23:18:03,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:18:03,703 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:18:03,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:18:03,721 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:18:03,722 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:18:03,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:18:03,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:18:03,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:18:03,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:18:03,731 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:18:03,733 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:18:03,734 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:18:03,735 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:18:03,736 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:18:03,744 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:18:03,746 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:18:03,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:18:03,753 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:18:03,756 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:18:03,758 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:18:03,759 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:18:03,763 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:18:03,764 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:18:03,764 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:18:03,765 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:18:03,767 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:18:03,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:18:03,770 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:18:03,771 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:18:03,771 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:18:03,772 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:18:03,772 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:18:03,772 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:18:03,775 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:18:03,776 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:18:03,778 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:18:03,803 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:18:03,803 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:18:03,804 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:18:03,804 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:18:03,804 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:18:03,804 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:18:03,806 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:18:03,806 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:18:03,806 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:18:03,806 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:18:03,806 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:18:03,806 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:18:03,807 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:18:03,807 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:18:03,807 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:18:03,807 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:18:03,808 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:18:03,808 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:18:03,808 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:18:03,808 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:18:03,808 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:18:03,808 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:18:03,809 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:18:03,809 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:18:03,809 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:18:03,809 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:18:03,809 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:18:03,809 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:18:03,811 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:18:03,815 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e321f94e243f740485324fea88a9a86c3c635cf [2018-11-28 23:18:03,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:18:03,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:18:03,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:18:03,875 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:18:03,876 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:18:03,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-libowfat/strlen_true-termination.c.i [2018-11-28 23:18:03,935 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b08cb980/77e63bcd28b64db882969195f19cee84/FLAG540ae7e71 [2018-11-28 23:18:04,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:18:04,409 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-libowfat/strlen_true-termination.c.i [2018-11-28 23:18:04,428 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b08cb980/77e63bcd28b64db882969195f19cee84/FLAG540ae7e71 [2018-11-28 23:18:04,732 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b08cb980/77e63bcd28b64db882969195f19cee84 [2018-11-28 23:18:04,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:18:04,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:18:04,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:18:04,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:18:04,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:18:04,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:18:04" (1/1) ... [2018-11-28 23:18:04,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcc12b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:04, skipping insertion in model container [2018-11-28 23:18:04,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:18:04" (1/1) ... [2018-11-28 23:18:04,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:18:04,800 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:18:05,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:18:05,228 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:18:05,279 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:18:05,347 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:18:05,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05 WrapperNode [2018-11-28 23:18:05,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:18:05,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:18:05,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:18:05,349 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:18:05,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:18:05,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:18:05,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:18:05,477 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:18:05,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (1/1) ... [2018-11-28 23:18:05,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:18:05,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:18:05,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:18:05,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:18:05,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (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 23:18:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:18:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:18:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:18:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:18:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:18:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:18:05,935 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:18:05,935 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:18:05,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:05 BoogieIcfgContainer [2018-11-28 23:18:05,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:18:05,937 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:18:05,937 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:18:05,940 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:18:05,940 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:05,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:18:04" (1/3) ... [2018-11-28 23:18:05,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ba86060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:18:05, skipping insertion in model container [2018-11-28 23:18:05,942 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:05,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:05" (2/3) ... [2018-11-28 23:18:05,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ba86060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:18:05, skipping insertion in model container [2018-11-28 23:18:05,943 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:05,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:05" (3/3) ... [2018-11-28 23:18:05,945 INFO L375 chiAutomizerObserver]: Analyzing ICFG strlen_true-termination.c.i [2018-11-28 23:18:06,001 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:18:06,002 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:18:06,002 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:18:06,002 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:18:06,002 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:18:06,002 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:18:06,003 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:18:06,003 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:18:06,003 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:18:06,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 23:18:06,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:18:06,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:18:06,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:18:06,053 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 23:18:06,053 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:18:06,053 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:18:06,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 23:18:06,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:18:06,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:18:06,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:18:06,056 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 23:18:06,056 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:18:06,064 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~ret7, main_~in_len~0, main_~hay~0.base, main_~hay~0.offset;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 8#L514true assume !(main_~in_len~0 < 1);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(main_~in_len~0);main_~hay~0.base, main_~hay~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(0, main_~hay~0.base, main_~hay~0.offset + (main_~in_len~0 - 1), 1);strlen_#in~s.base, strlen_#in~s.offset := main_~hay~0.base, main_~hay~0.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 9#L508true assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 4#L509-4true [2018-11-28 23:18:06,064 INFO L796 eck$LassoCheckResult]: Loop: 4#L509-4true call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 11#L509-1true assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 14#L509-3true strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 4#L509-4true [2018-11-28 23:18:06,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:06,072 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-11-28 23:18:06,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:06,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:06,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:06,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:06,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:06,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:06,211 INFO L82 PathProgramCache]: Analyzing trace with hash 45841, now seen corresponding path program 1 times [2018-11-28 23:18:06,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:06,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:06,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:06,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:06,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:06,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:06,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1806906826, now seen corresponding path program 1 times [2018-11-28 23:18:06,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:06,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:06,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:06,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:06,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:06,866 WARN L180 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2018-11-28 23:18:07,064 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-11-28 23:18:07,084 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:18:07,085 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:18:07,085 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:18:07,085 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:18:07,085 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:18:07,085 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:18:07,086 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:18:07,086 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:18:07,086 INFO L131 ssoRankerPreferences]: Filename of dumped script: strlen_true-termination.c.i_Iteration1_Lasso [2018-11-28 23:18:07,086 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:18:07,086 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:18:07,110 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 23:18:07,343 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-11-28 23:18:07,746 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-11-28 23:18:07,746 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 23:18:07,751 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 23:18:07,754 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 23:18:07,758 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 23:18:07,761 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 23:18:07,764 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 23:18:07,769 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 23:18:07,774 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 23:18:07,779 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 23:18:07,781 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 23:18:07,783 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 23:18:08,332 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:18:08,338 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:18:08,340 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 23:18:08,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:08,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:08,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:08,343 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:08,350 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:08,350 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:08,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:08,376 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 23:18:08,377 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:08,377 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:08,378 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:08,378 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:08,384 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:08,385 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:08,470 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:18:08,556 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-11-28 23:18:08,559 INFO L444 ModelExtractionUtils]: 18 out of 25 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-28 23:18:08,562 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:18:08,564 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:18:08,568 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:18:08,572 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1 Supporting invariants [] [2018-11-28 23:18:08,602 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-11-28 23:18:08,613 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 23:18:08,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:18:08,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:18:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:18:08,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:18:08,770 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 23:18:08,785 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-11-28 23:18:08,786 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2018-11-28 23:18:08,896 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 26 states and 29 transitions. Complement of second has 7 states. [2018-11-28 23:18:08,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 23:18:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:18:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2018-11-28 23:18:08,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-28 23:18:08,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:08,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2018-11-28 23:18:08,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:08,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2018-11-28 23:18:08,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:08,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2018-11-28 23:18:08,906 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:18:08,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2018-11-28 23:18:08,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:18:08,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:18:08,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:18:08,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:18:08,911 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:08,911 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:08,911 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:08,911 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:18:08,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:18:08,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:18:08,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:18:08,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:18:08 BoogieIcfgContainer [2018-11-28 23:18:08,919 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:18:08,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:18:08,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:18:08,919 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:18:08,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:05" (3/4) ... [2018-11-28 23:18:08,924 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:18:08,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:18:08,925 INFO L168 Benchmark]: Toolchain (without parser) took 4188.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.7 MB in the beginning and 957.7 MB in the end (delta: -9.0 MB). Peak memory consumption was 133.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:08,926 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 23:18:08,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:08,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -203.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:08,929 INFO L168 Benchmark]: Boogie Preprocessor took 34.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:18:08,929 INFO L168 Benchmark]: RCFGBuilder took 425.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:08,930 INFO L168 Benchmark]: BuchiAutomizer took 2982.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.7 MB in the end (delta: 154.2 MB). Peak memory consumption was 154.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:08,931 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 1.2 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:18:08,936 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 610.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -203.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 425.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2982.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.7 MB in the end (delta: 154.2 MB). Peak memory consumption was 154.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.77 ms. Allocated memory is still 1.2 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 16 SDslu, 7 SDs, 0 SdLazy, 11 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax100 hnf99 lsp87 ukn90 mio100 lsp47 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...