./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/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 cbb495583d601bf9f19d9da57531415381b22d5a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:04:19,640 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:04:19,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:04:19,649 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:04:19,650 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:04:19,650 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:04:19,651 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:04:19,652 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:04:19,653 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:04:19,654 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:04:19,654 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:04:19,655 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:04:19,655 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:04:19,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:04:19,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:04:19,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:04:19,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:04:19,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:04:19,660 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:04:19,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:04:19,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:04:19,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:04:19,664 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:04:19,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:04:19,665 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:04:19,665 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:04:19,666 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:04:19,667 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:04:19,667 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:04:19,668 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:04:19,668 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:04:19,669 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:04:19,669 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:04:19,669 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:04:19,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:04:19,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:04:19,670 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:04:19,681 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:04:19,681 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:04:19,682 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:04:19,682 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:04:19,682 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:04:19,682 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:04:19,682 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:04:19,682 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:04:19,683 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:04:19,683 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:04:19,683 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:04:19,683 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:04:19,683 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:04:19,683 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:04:19,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:04:19,684 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:04:19,684 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:04:19,684 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:04:19,684 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:04:19,684 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:04:19,684 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:04:19,684 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:04:19,685 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:04:19,685 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:04:19,685 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:04:19,685 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:04:19,685 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:04:19,685 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:04:19,685 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:04:19,686 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:04:19,686 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:04:19,686 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:04:19,687 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_8bcfd419-ba81-4437-83a5-7d0793bd58b1/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 -> cbb495583d601bf9f19d9da57531415381b22d5a [2018-11-18 11:04:19,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:04:19,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:04:19,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:04:19,723 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:04:19,723 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:04:19,724 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-11-18 11:04:19,757 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/data/c4517b03d/5b3fb2f2e38246d2b03ab2e7762ad236/FLAG4cc9b7fa4 [2018-11-18 11:04:20,171 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:04:20,172 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-11-18 11:04:20,179 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/data/c4517b03d/5b3fb2f2e38246d2b03ab2e7762ad236/FLAG4cc9b7fa4 [2018-11-18 11:04:20,186 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/bin-2019/uautomizer/data/c4517b03d/5b3fb2f2e38246d2b03ab2e7762ad236 [2018-11-18 11:04:20,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:04:20,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:04:20,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:04:20,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:04:20,192 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:04:20,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744b5a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20, skipping insertion in model container [2018-11-18 11:04:20,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:04:20,228 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:04:20,404 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:04:20,411 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:04:20,478 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:04:20,505 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:04:20,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20 WrapperNode [2018-11-18 11:04:20,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:04:20,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:04:20,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:04:20,506 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:04:20,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:04:20,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:04:20,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:04:20,542 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:04:20,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... [2018-11-18 11:04:20,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:04:20,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:04:20,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:04:20,561 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:04:20,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bcfd419-ba81-4437-83a5-7d0793bd58b1/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 [2018-11-18 11:04:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:04:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:04:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:04:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:04:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:04:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:04:20,797 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:04:20,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:20 BoogieIcfgContainer [2018-11-18 11:04:20,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:04:20,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:04:20,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:04:20,800 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:04:20,801 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:04:20,801 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:04:20" (1/3) ... [2018-11-18 11:04:20,801 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cc38f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:04:20, skipping insertion in model container [2018-11-18 11:04:20,801 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:04:20,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:20" (2/3) ... [2018-11-18 11:04:20,802 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cc38f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:04:20, skipping insertion in model container [2018-11-18 11:04:20,802 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:04:20,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:20" (3/3) ... [2018-11-18 11:04:20,803 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-11-18 11:04:20,840 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:04:20,840 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:04:20,841 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:04:20,841 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:04:20,841 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:04:20,841 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:04:20,841 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:04:20,841 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:04:20,841 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:04:20,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-18 11:04:20,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-18 11:04:20,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:04:20,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:04:20,868 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-18 11:04:20,868 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 11:04:20,868 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:04:20,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-18 11:04:20,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-18 11:04:20,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:04:20,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:04:20,871 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-18 11:04:20,871 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 11:04:20,877 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 10#L551true assume !(main_~length1~0 < 1); 15#L551-2true assume !(main_~length2~0 < 1); 6#L554-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);assume { :begin_inline_cstrcmp } true;cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 13#L543-4true [2018-11-18 11:04:20,878 INFO L796 eck$LassoCheckResult]: Loop: 13#L543-4true assume true; 7#L543-1true call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 9#L543-2true assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 4#L544true assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 13#L543-4true [2018-11-18 11:04:20,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:20,882 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2018-11-18 11:04:20,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:04:20,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:04:20,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:20,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:20,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:04:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:04:20,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:20,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1510568, now seen corresponding path program 1 times [2018-11-18 11:04:20,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:04:20,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:04:20,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:20,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:20,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:04:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:04:20,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:20,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1298317165, now seen corresponding path program 1 times [2018-11-18 11:04:20,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:04:20,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:04:20,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:20,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:20,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:04:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:04:21,165 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-11-18 11:04:21,353 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2018-11-18 11:04:21,429 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 11:04:21,430 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 11:04:21,430 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 11:04:21,430 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 11:04:21,430 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 11:04:21,430 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:04:21,430 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 11:04:21,430 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 11:04:21,431 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-18 11:04:21,431 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 11:04:21,431 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 11:04:21,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:21,688 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2018-11-18 11:04:21,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:04:22,097 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 11:04:22,101 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 11:04:22,103 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 [2018-11-18 11:04:22,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,105 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,106 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,108 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,108 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,110 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,111 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 [2018-11-18 11:04:22,111 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,112 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,112 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,112 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,112 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,113 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,113 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 [2018-11-18 11:04:22,114 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,114 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,114 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,118 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 11:04:22,118 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,120 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,120 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 [2018-11-18 11:04:22,121 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,121 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,122 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,123 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,123 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 [2018-11-18 11:04:22,123 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,124 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,124 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,124 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,124 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,125 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,125 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,127 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 [2018-11-18 11:04:22,127 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,128 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,129 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,129 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,130 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 [2018-11-18 11:04:22,130 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,130 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,130 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,132 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 11:04:22,132 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,135 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 [2018-11-18 11:04:22,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,136 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,136 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,137 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,137 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,138 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 [2018-11-18 11:04:22,138 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,139 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,139 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,140 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,140 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 [2018-11-18 11:04:22,141 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,141 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,141 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,142 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,142 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,143 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,143 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 [2018-11-18 11:04:22,144 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,144 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,144 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,144 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,144 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,145 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,145 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,146 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 [2018-11-18 11:04:22,146 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,147 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,147 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,148 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,148 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 [2018-11-18 11:04:22,149 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,149 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,149 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,149 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,150 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,150 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,151 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 [2018-11-18 11:04:22,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,152 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,152 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,154 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 [2018-11-18 11:04:22,154 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,154 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,155 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,155 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,155 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,155 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,156 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,156 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 [2018-11-18 11:04:22,157 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,157 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,157 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,157 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,157 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,158 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,158 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,159 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,159 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 [2018-11-18 11:04:22,160 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,161 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,161 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,161 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,161 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:04:22,162 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,163 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,164 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 [2018-11-18 11:04:22,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,164 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-18 11:04:22,165 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,165 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,169 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-18 11:04:22,169 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,186 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 [2018-11-18 11:04:22,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,187 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 11:04:22,187 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,189 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,190 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 [2018-11-18 11:04:22,190 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,190 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,191 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 11:04:22,192 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,200 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,201 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 [2018-11-18 11:04:22,201 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,202 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,203 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 11:04:22,203 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,213 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,213 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 [2018-11-18 11:04:22,214 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,214 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:04:22,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,214 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-18 11:04:22,214 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,215 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 11:04:22,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:04:22,220 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,221 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 [2018-11-18 11:04:22,221 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,221 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-18 11:04:22,221 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,221 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,223 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-18 11:04:22,223 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,235 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,235 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 [2018-11-18 11:04:22,236 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,236 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,237 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 11:04:22,237 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:04:22,239 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 [2018-11-18 11:04:22,243 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:04:22,243 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:04:22,243 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:04:22,243 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:04:22,246 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 11:04:22,247 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 11:04:22,281 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 11:04:22,302 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 11:04:22,302 INFO L444 ModelExtractionUtils]: 33 out of 37 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 11:04:22,304 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 11:04:22,305 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-18 11:04:22,306 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 11:04:22,306 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2018-11-18 11:04:22,391 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2018-11-18 11:04:22,396 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-18 11:04:22,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:22,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:04:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:22,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:04:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:04:22,488 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-18 11:04:22,488 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2018-11-18 11:04:22,545 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 28 states and 33 transitions. Complement of second has 8 states. [2018-11-18 11:04:22,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 11:04:22,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 11:04:22,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2018-11-18 11:04:22,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-18 11:04:22,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:04:22,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 9 letters. Loop has 4 letters. [2018-11-18 11:04:22,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:04:22,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 5 letters. Loop has 8 letters. [2018-11-18 11:04:22,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:04:22,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2018-11-18 11:04:22,554 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:04:22,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2018-11-18 11:04:22,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 11:04:22,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 11:04:22,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 11:04:22,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:04:22,558 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:04:22,558 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:04:22,558 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:04:22,558 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:04:22,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:04:22,558 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:04:22,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 11:04:22,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:04:22 BoogieIcfgContainer [2018-11-18 11:04:22,564 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:04:22,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:04:22,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:04:22,564 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:04:22,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:20" (3/4) ... [2018-11-18 11:04:22,568 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:04:22,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:04:22,569 INFO L168 Benchmark]: Toolchain (without parser) took 2379.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -206.4 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:22,569 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:04:22,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:22,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.62 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:22,571 INFO L168 Benchmark]: Boogie Preprocessor took 19.31 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. [2018-11-18 11:04:22,571 INFO L168 Benchmark]: RCFGBuilder took 236.67 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:22,571 INFO L168 Benchmark]: BuchiAutomizer took 1765.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -69.9 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:22,572 INFO L168 Benchmark]: Witness Printer took 3.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:04:22,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.62 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.31 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 236.67 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1765.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -69.9 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. 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 * s1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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: 11 SDtfs, 14 SDslu, 7 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax100 hnf99 lsp97 ukn86 mio100 lsp43 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 4 VariablesLoop: 4 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...