./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/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_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/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 0.1.23-1dbac8b [2018-11-10 09:55:19,644 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:55:19,645 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:55:19,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:55:19,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:55:19,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:55:19,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:55:19,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:55:19,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:55:19,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:55:19,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:55:19,659 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:55:19,660 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:55:19,661 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:55:19,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:55:19,662 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:55:19,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:55:19,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:55:19,665 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:55:19,666 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:55:19,667 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:55:19,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:55:19,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:55:19,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:55:19,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:55:19,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:55:19,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:55:19,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:55:19,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:55:19,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:55:19,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:55:19,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:55:19,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:55:19,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:55:19,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:55:19,674 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:55:19,674 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 09:55:19,685 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:55:19,685 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:55:19,686 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:55:19,686 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:55:19,686 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 09:55:19,686 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 09:55:19,686 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 09:55:19,686 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 09:55:19,687 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 09:55:19,687 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 09:55:19,687 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 09:55:19,687 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:55:19,687 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:55:19,687 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 09:55:19,687 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:55:19,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:55:19,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:55:19,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 09:55:19,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 09:55:19,688 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 09:55:19,688 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:55:19,688 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:55:19,689 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 09:55:19,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 09:55:19,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:55:19,689 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:55:19,689 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 09:55:19,689 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:55:19,689 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 09:55:19,690 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 09:55:19,690 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 09:55:19,690 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_62f26154-60bb-4ac4-9e32-553a6fd62134/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 [2018-11-10 09:55:19,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:55:19,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:55:19,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:55:19,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:55:19,721 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:55:19,722 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-11-10 09:55:19,755 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/data/cbe9f5442/f7d96fc7d68c42539e40929fa343ff10/FLAGb091a69b9 [2018-11-10 09:55:20,202 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:55:20,203 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-11-10 09:55:20,211 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/data/cbe9f5442/f7d96fc7d68c42539e40929fa343ff10/FLAGb091a69b9 [2018-11-10 09:55:20,220 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/bin-2019/uautomizer/data/cbe9f5442/f7d96fc7d68c42539e40929fa343ff10 [2018-11-10 09:55:20,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:55:20,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:55:20,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:55:20,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:55:20,226 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:55:20,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543fc7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20, skipping insertion in model container [2018-11-10 09:55:20,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:55:20,258 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:55:20,425 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:55:20,432 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:55:20,460 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:55:20,488 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:55:20,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20 WrapperNode [2018-11-10 09:55:20,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:55:20,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:55:20,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:55:20,489 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:55:20,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:55:20,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:55:20,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:55:20,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:55:20,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... [2018-11-10 09:55:20,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:55:20,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:55:20,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:55:20,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:55:20,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62f26154-60bb-4ac4-9e32-553a6fd62134/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 09:55:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 09:55:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 09:55:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:55:20,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:55:20,772 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:55:20,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:55:20 BoogieIcfgContainer [2018-11-10 09:55:20,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:55:20,773 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 09:55:20,773 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 09:55:20,775 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 09:55:20,776 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:55:20,776 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 09:55:20" (1/3) ... [2018-11-10 09:55:20,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b9b5e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 09:55:20, skipping insertion in model container [2018-11-10 09:55:20,777 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:55:20,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:20" (2/3) ... [2018-11-10 09:55:20,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b9b5e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 09:55:20, skipping insertion in model container [2018-11-10 09:55:20,777 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:55:20,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:55:20" (3/3) ... [2018-11-10 09:55:20,778 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-11-10 09:55:20,811 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 09:55:20,812 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 09:55:20,812 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 09:55:20,812 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 09:55:20,812 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 09:55:20,812 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 09:55:20,812 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 09:55:20,812 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 09:55:20,812 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 09:55:20,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-11-10 09:55:20,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-11-10 09:55:20,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 09:55:20,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 09:55:20,839 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:55:20,840 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:55:20,840 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 09:55:20,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-11-10 09:55:20,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-11-10 09:55:20,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 09:55:20,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 09:55:20,842 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:55:20,842 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:55:20,849 INFO L793 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 12#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; 17#L551true assume !(main_~length1~0 < 1); 24#L551-2true assume !(main_~length2~0 < 1); 13#L554-1true #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~malloc12.base, main_#t~malloc12.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.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~malloc13.base, main_#t~malloc13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset; 25#L559true SUMMARY for call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1) * 1, 1); srcloc: L559 4#L559-1true SUMMARY for call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1) * 1, 1); srcloc: L559-1 22#L560true 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; 3#L543-6true [2018-11-10 09:55:20,850 INFO L795 eck$LassoCheckResult]: Loop: 3#L543-6true assume true; 14#L543-1true SUMMARY for call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1); srcloc: L543-1 16#L543-2true cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset + 1; 18#L543-3true SUMMARY for call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); srcloc: L543-3 21#L543-4true assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset + 1; 9#L544true SUMMARY for call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); srcloc: L544 11#L544-1true assume !(cstrcmp_#t~mem6 == 0);havoc cstrcmp_#t~mem6;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset; 3#L543-6true [2018-11-10 09:55:20,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:20,855 INFO L82 PathProgramCache]: Analyzing trace with hash 180425515, now seen corresponding path program 1 times [2018-11-10 09:55:20,856 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:55:20,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:55:20,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:20,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:55:20,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:55:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:55:20,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:20,945 INFO L82 PathProgramCache]: Analyzing trace with hash 504047872, now seen corresponding path program 1 times [2018-11-10 09:55:20,945 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:55:20,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:55:20,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:20,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:55:20,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:55:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:55:20,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:20,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1768952470, now seen corresponding path program 1 times [2018-11-10 09:55:20,966 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:55:20,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:55:20,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:20,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:55:20,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:55:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:55:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:55:21,143 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2018-11-10 09:55:21,378 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2018-11-10 09:55:21,456 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 09:55:21,457 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 09:55:21,457 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 09:55:21,457 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 09:55:21,457 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 09:55:21,457 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:55:21,457 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 09:55:21,457 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 09:55:21,457 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-10 09:55:21,458 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 09:55:21,458 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 09:55:21,479 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 09:55:21,484 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 09:55:21,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:55:21,489 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 09:55:21,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:55:21,493 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 09:55:21,495 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 09:55:21,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:55:21,499 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 09:55:21,503 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 09:55:21,509 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 09:55:21,510 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 09:55:21,512 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 09:55:21,513 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 09:55:21,515 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 09:55:21,517 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 09:55:21,765 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2018-11-10 09:55:21,903 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2018-11-10 09:55:21,903 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 09:55:21,905 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 09:55:21,906 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 09:55:22,289 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 09:55:22,293 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 09:55:22,294 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 09:55:22,295 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,296 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,297 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,299 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,299 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 09:55:22,300 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,300 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,300 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,301 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,301 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,302 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 09:55:22,302 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,302 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,302 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,304 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,305 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,307 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,308 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 09:55:22,308 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,308 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,309 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,309 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,309 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,310 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,310 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 09:55:22,311 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,311 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,312 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,312 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,312 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,312 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,313 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,313 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 09:55:22,313 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,314 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,314 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,314 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,315 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,315 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 09:55:22,316 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,316 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,316 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,316 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,316 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,317 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,317 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,317 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,318 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 09:55:22,318 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,318 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,319 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,319 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,321 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,322 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 09:55:22,322 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,322 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,323 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,323 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,324 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,324 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 09:55:22,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,325 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,325 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,325 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,326 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,326 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 09:55:22,327 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,327 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,327 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,327 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,328 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,328 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,328 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 09:55:22,329 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,329 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,329 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,329 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,330 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,330 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,331 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,331 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 09:55:22,331 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,332 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,332 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,332 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,333 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,333 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 09:55:22,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,334 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,334 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,334 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,334 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,334 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,335 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,335 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 09:55:22,336 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,336 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,336 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,336 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:55:22,337 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,337 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,338 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 09:55:22,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,338 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-10 09:55:22,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,338 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,341 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-10 09:55:22,341 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,360 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,361 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:55:22,361 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,362 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,362 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,362 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,363 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,363 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,366 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,366 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 09:55:22,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,367 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,369 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,369 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,373 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,374 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 09:55:22,374 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,374 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,374 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,374 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,376 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,376 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,385 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,385 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 09:55:22,386 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,386 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:55:22,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,386 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-10 09:55:22,386 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,387 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:55:22,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:55:22,390 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,391 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 09:55:22,391 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,391 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,391 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,392 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,393 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,397 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,397 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 09:55:22,397 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,398 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-10 09:55:22,398 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,398 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,399 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-10 09:55:22,400 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,410 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,410 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 09:55:22,410 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,411 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,411 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,411 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,412 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,413 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,423 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,423 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 09:55:22,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,424 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,425 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,425 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,426 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:55:22,427 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 09:55:22,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:55:22,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:55:22,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:55:22,428 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:55:22,432 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:55:22,432 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 09:55:22,477 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 09:55:22,510 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 09:55:22,511 INFO L444 ModelExtractionUtils]: 47 out of 52 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-10 09:55:22,513 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 09:55:22,514 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 09:55:22,514 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 09:55:22,515 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s1.offset, v_rep(select #length ULTIMATE.start_cstrcmp_~s1.base)_1) = -1*ULTIMATE.start_cstrcmp_~s1.offset + 1*v_rep(select #length ULTIMATE.start_cstrcmp_~s1.base)_1 Supporting invariants [] [2018-11-10 09:55:22,553 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2018-11-10 09:55:22,560 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 09:55:22,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:55:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:55:22,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:55:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:55:22,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:55:22,629 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 09:55:22,639 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 [2018-11-10 09:55:22,640 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 5 states. [2018-11-10 09:55:22,683 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 5 states. Result 55 states and 59 transitions. Complement of second has 7 states. [2018-11-10 09:55:22,683 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 [2018-11-10 09:55:22,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-10 09:55:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2018-11-10 09:55:22,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 8 letters. Loop has 7 letters. [2018-11-10 09:55:22,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 09:55:22,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 15 letters. Loop has 7 letters. [2018-11-10 09:55:22,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 09:55:22,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 8 letters. Loop has 14 letters. [2018-11-10 09:55:22,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 09:55:22,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 59 transitions. [2018-11-10 09:55:22,691 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 09:55:22,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2018-11-10 09:55:22,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 09:55:22,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 09:55:22,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 09:55:22,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 09:55:22,694 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 09:55:22,694 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 09:55:22,694 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 09:55:22,694 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 09:55:22,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 09:55:22,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 09:55:22,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 09:55:22,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 09:55:22 BoogieIcfgContainer [2018-11-10 09:55:22,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 09:55:22,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:55:22,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:55:22,700 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:55:22,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:55:20" (3/4) ... [2018-11-10 09:55:22,702 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 09:55:22,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:55:22,703 INFO L168 Benchmark]: Toolchain (without parser) took 2480.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -107.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:22,703 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:55:22,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.01 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 933.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:22,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:22,705 INFO L168 Benchmark]: Boogie Preprocessor took 17.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:55:22,705 INFO L168 Benchmark]: RCFGBuilder took 196.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:22,705 INFO L168 Benchmark]: BuchiAutomizer took 1925.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:22,706 INFO L168 Benchmark]: Witness Printer took 2.86 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 09:55:22,708 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.01 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 933.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 196.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1925.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[s1] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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: 23 SDtfs, 34 SDslu, 19 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital217 mio100 ax100 hnf99 lsp97 ukn110 mio100 lsp41 div100 bol100 ite100 ukn100 eq200 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 5 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...