./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer --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 2995aa83f0315dcda376bb0d80edf8fb8acf3951 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:39:49,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:39:49,715 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:39:49,723 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:39:49,723 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:39:49,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:39:49,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:39:49,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:39:49,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:39:49,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:39:49,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:39:49,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:39:49,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:39:49,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:39:49,730 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:39:49,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:39:49,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:39:49,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:39:49,733 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:39:49,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:39:49,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:39:49,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:39:49,736 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:39:49,736 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:39:49,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:39:49,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:39:49,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:39:49,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:39:49,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:39:49,739 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:39:49,739 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:39:49,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:39:49,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:39:49,740 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:39:49,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:39:49,741 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:39:49,742 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 12:39:49,750 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:39:49,751 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:39:49,752 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:39:49,752 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:39:49,752 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:39:49,752 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 12:39:49,752 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 12:39:49,752 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 12:39:49,752 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 12:39:49,753 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 12:39:49,753 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 12:39:49,753 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:39:49,753 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:39:49,753 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:39:49,753 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:39:49,753 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:39:49,753 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:39:49,754 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 12:39:49,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 12:39:49,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 12:39:49,754 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:39:49,754 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:39:49,754 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 12:39:49,754 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 12:39:49,755 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:39:49,755 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:39:49,755 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 12:39:49,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:39:49,755 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:39:49,755 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 12:39:49,756 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 12:39:49,756 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer 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 -> 2995aa83f0315dcda376bb0d80edf8fb8acf3951 [2018-11-10 12:39:49,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:39:49,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:39:49,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:39:49,793 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:39:49,793 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:39:49,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-10 12:39:49,838 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/data/ea12afc84/62ed900260744589bad7a8ada1595163/FLAGe5858f5bb [2018-11-10 12:39:50,276 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:39:50,276 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-10 12:39:50,283 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/data/ea12afc84/62ed900260744589bad7a8ada1595163/FLAGe5858f5bb [2018-11-10 12:39:50,292 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/data/ea12afc84/62ed900260744589bad7a8ada1595163 [2018-11-10 12:39:50,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:39:50,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:39:50,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:39:50,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:39:50,299 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:39:50,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c80a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50, skipping insertion in model container [2018-11-10 12:39:50,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:39:50,341 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:39:50,524 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:39:50,531 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:39:50,554 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:39:50,585 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:39:50,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50 WrapperNode [2018-11-10 12:39:50,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:39:50,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:39:50,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:39:50,586 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:39:50,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:39:50,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:39:50,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:39:50,654 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:39:50,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 12:39:50,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:39:50,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:39:50,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:39:50,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:39:50,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2723fe5-6722-4d71-b0d6-6ec2558c9652/bin-2019/uautomizer/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 [2018-11-10 12:39:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:39:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:39:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:39:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:39:50,856 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:39:50,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:50 BoogieIcfgContainer [2018-11-10 12:39:50,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:39:50,857 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 12:39:50,857 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 12:39:50,859 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 12:39:50,860 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:39:50,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 12:39:50" (1/3) ... [2018-11-10 12:39:50,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@143c2a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:39:50, skipping insertion in model container [2018-11-10 12:39:50,861 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:39:50,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (2/3) ... [2018-11-10 12:39:50,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@143c2a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:39:50, skipping insertion in model container [2018-11-10 12:39:50,861 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:39:50,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:50" (3/3) ... [2018-11-10 12:39:50,862 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-10 12:39:50,896 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:39:50,896 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 12:39:50,897 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 12:39:50,897 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 12:39:50,897 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:39:50,897 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:39:50,897 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 12:39:50,897 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:39:50,897 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 12:39:50,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-10 12:39:50,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-10 12:39:50,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:39:50,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:39:50,930 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:39:50,930 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 12:39:50,930 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 12:39:50,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-10 12:39:50,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-10 12:39:50,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:39:50,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:39:50,932 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:39:50,932 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 12:39:50,939 INFO L793 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 3#L548true assume !(main_~length1~0 < 1); 7#L548-2true assume !(main_~length2~0 < 1); 16#L551-1true assume !(main_~length1~0 < main_~length2~0);#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length1~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length2~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset; 6#L557true SUMMARY for call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1) * 1, 1); srcloc: L557 9#L557-1true assume { :begin_inline_cstpcpy } true;cstpcpy_#in~to.base, cstpcpy_#in~to.offset, cstpcpy_#in~from.base, cstpcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstpcpy_#res.base, cstpcpy_#res.offset;havoc cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset, cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset, cstpcpy_#t~mem4, cstpcpy_~to.base, cstpcpy_~to.offset, cstpcpy_~from.base, cstpcpy_~from.offset;cstpcpy_~to.base, cstpcpy_~to.offset := cstpcpy_#in~to.base, cstpcpy_#in~to.offset;cstpcpy_~from.base, cstpcpy_~from.offset := cstpcpy_#in~from.base, cstpcpy_#in~from.offset; 5#L542-6true [2018-11-10 12:39:50,940 INFO L795 eck$LassoCheckResult]: Loop: 5#L542-6true assume true; 13#L542-1true SUMMARY for call cstpcpy_#t~mem4 := read~int(cstpcpy_~from.base, cstpcpy_~from.offset, 1); srcloc: L542-1 15#L542-2true SUMMARY for call write~int(cstpcpy_#t~mem4, cstpcpy_~to.base, cstpcpy_~to.offset, 1); srcloc: L542-2 17#L542-3true assume !!(cstpcpy_#t~mem4 != 0);havoc cstpcpy_#t~mem4; 4#L542-5true cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset := cstpcpy_~from.base, cstpcpy_~from.offset + 1;cstpcpy_~from.base, cstpcpy_~from.offset := cstpcpy_~from.base, cstpcpy_~from.offset + 1;havoc cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset;cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset := cstpcpy_~to.base, cstpcpy_~to.offset + 1;cstpcpy_~to.base, cstpcpy_~to.offset := cstpcpy_~to.base, cstpcpy_~to.offset + 1;havoc cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset; 5#L542-6true [2018-11-10 12:39:50,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:39:50,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939467, now seen corresponding path program 1 times [2018-11-10 12:39:50,946 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:39:50,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:39:50,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:39:50,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:39:50,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:39:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:39:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:39:51,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:39:51,035 INFO L82 PathProgramCache]: Analyzing trace with hash 52518715, now seen corresponding path program 1 times [2018-11-10 12:39:51,035 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:39:51,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:39:51,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:39:51,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:39:51,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:39:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:39:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:39:51,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:39:51,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1253926961, now seen corresponding path program 1 times [2018-11-10 12:39:51,051 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:39:51,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:39:51,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:39:51,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:39:51,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:39:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:39:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:39:51,371 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-11-10 12:39:51,445 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:39:51,446 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:39:51,446 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:39:51,446 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:39:51,446 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 12:39:51,447 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:39:51,447 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:39:51,448 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:39:51,448 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-10 12:39:51,448 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:39:51,449 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:39:51,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:51,751 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2018-11-10 12:39:51,868 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2018-11-10 12:39:51,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:39:52,258 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:39:52,263 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 12:39:52,264 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 [2018-11-10 12:39:52,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,266 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,266 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,267 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,269 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,269 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 [2018-11-10 12:39:52,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,270 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,270 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,270 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,270 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,271 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,271 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 [2018-11-10 12:39:52,271 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,272 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,272 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,272 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,272 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,273 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,273 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 [2018-11-10 12:39:52,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,274 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,274 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,275 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,275 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 [2018-11-10 12:39:52,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,276 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,276 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,276 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,276 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,276 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,276 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,277 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,277 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 [2018-11-10 12:39:52,277 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,278 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,279 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:39:52,280 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,283 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,284 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 [2018-11-10 12:39:52,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,285 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,286 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,286 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 [2018-11-10 12:39:52,287 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,289 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,289 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,289 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,291 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:39:52,291 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,294 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,294 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 [2018-11-10 12:39:52,295 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,296 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,296 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,297 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,297 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,298 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 [2018-11-10 12:39:52,298 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,298 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,298 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,299 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,299 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,299 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,300 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 [2018-11-10 12:39:52,300 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,301 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,301 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,301 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,301 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,302 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,302 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 [2018-11-10 12:39:52,303 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,303 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,303 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,303 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,303 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,304 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,304 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,305 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 [2018-11-10 12:39:52,307 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:39:52,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,307 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,308 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:39:52,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:39:52,308 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,309 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 [2018-11-10 12:39:52,309 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,309 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,310 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:39:52,311 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,315 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,315 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 [2018-11-10 12:39:52,316 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,316 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,316 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,316 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,317 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:39:52,317 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,321 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,321 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 [2018-11-10 12:39:52,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,322 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,323 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:39:52,323 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,325 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,325 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 [2018-11-10 12:39:52,326 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,326 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,326 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,326 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,328 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:39:52,328 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,342 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,343 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 [2018-11-10 12:39:52,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,344 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,344 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,345 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:39:52,345 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,349 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,350 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 [2018-11-10 12:39:52,350 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,350 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-10 12:39:52,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,351 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,352 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-10 12:39:52,352 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,359 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:39:52,359 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 [2018-11-10 12:39:52,360 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:39:52,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:39:52,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:39:52,360 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:39:52,367 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:39:52,367 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:39:52,428 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 12:39:52,466 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-10 12:39:52,466 INFO L444 ModelExtractionUtils]: 46 out of 52 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-10 12:39:52,468 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 12:39:52,470 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 12:39:52,470 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 12:39:52,471 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cstpcpy_~to.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cstpcpy_~to.offset Supporting invariants [] [2018-11-10 12:39:52,531 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-11-10 12:39:52,538 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 12:39:52,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:39:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:52,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:39:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:52,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:39:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:39:52,649 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 [2018-11-10 12:39:52,650 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2018-11-10 12:39:52,710 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 32 states and 36 transitions. Complement of second has 9 states. [2018-11-10 12:39:52,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 12:39:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-10 12:39:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2018-11-10 12:39:52,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 5 letters. [2018-11-10 12:39:52,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 12:39:52,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 12 letters. Loop has 5 letters. [2018-11-10 12:39:52,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 12:39:52,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 10 letters. [2018-11-10 12:39:52,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 12:39:52,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2018-11-10 12:39:52,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 12:39:52,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2018-11-10 12:39:52,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 12:39:52,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 12:39:52,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 12:39:52,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 12:39:52,720 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:39:52,720 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:39:52,720 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:39:52,720 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 12:39:52,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:39:52,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 12:39:52,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 12:39:52,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 12:39:52 BoogieIcfgContainer [2018-11-10 12:39:52,724 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 12:39:52,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:39:52,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:39:52,724 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:39:52,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:50" (3/4) ... [2018-11-10 12:39:52,727 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:39:52,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:39:52,727 INFO L168 Benchmark]: Toolchain (without parser) took 2433.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 957.6 MB in the beginning and 981.4 MB in the end (delta: -23.7 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:52,728 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:39:52,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.28 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:52,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -200.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:52,729 INFO L168 Benchmark]: Boogie Preprocessor took 18.45 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. [2018-11-10 12:39:52,730 INFO L168 Benchmark]: RCFGBuilder took 184.11 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:52,730 INFO L168 Benchmark]: BuchiAutomizer took 1867.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.4 MB in the end (delta: 134.6 MB). Peak memory consumption was 134.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:52,731 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:39:52,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.28 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 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 67.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -200.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.45 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 184.11 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1867.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.4 MB in the end (delta: 134.6 MB). Peak memory consumption was 134.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 981.4 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 unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * to and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 14 SDtfs, 21 SDslu, 12 SDs, 0 SdLazy, 13 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital199 mio100 ax100 hnf99 lsp96 ukn116 mio100 lsp42 div100 bol100 ite100 ukn100 eq200 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 4 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...