./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/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 109b8bf9931c925f911ad0fbf9e2b946a30b466d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:16:10,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:16:10,554 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:16:10,562 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:16:10,562 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:16:10,563 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:16:10,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:16:10,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:16:10,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:16:10,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:16:10,567 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:16:10,567 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:16:10,568 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:16:10,569 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:16:10,569 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:16:10,570 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:16:10,570 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:16:10,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:16:10,572 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:16:10,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:16:10,574 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:16:10,575 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:16:10,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:16:10,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:16:10,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:16:10,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:16:10,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:16:10,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:16:10,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:16:10,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:16:10,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:16:10,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:16:10,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:16:10,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:16:10,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:16:10,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:16:10,582 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:16:10,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:16:10,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:16:10,592 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:16:10,592 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:16:10,592 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:16:10,593 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:16:10,593 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:16:10,593 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:16:10,593 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:16:10,593 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:16:10,593 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:16:10,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:16:10,594 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:16:10,594 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:16:10,594 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:16:10,594 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:16:10,594 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:16:10,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:16:10,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:16:10,595 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:16:10,595 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:16:10,595 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:16:10,595 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:16:10,595 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:16:10,595 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:16:10,596 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:16:10,596 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:16:10,596 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:16:10,596 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:16:10,596 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:16:10,596 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:16:10,597 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:16:10,597 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_a36af43c-29b3-4ee5-b47b-a380242d9c89/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 -> 109b8bf9931c925f911ad0fbf9e2b946a30b466d [2018-11-28 12:16:10,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:16:10,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:16:10,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:16:10,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:16:10,635 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:16:10,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:16:10,677 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/data/26cba01a7/6364d7879cb2444f8f4d3c29ab0818b4/FLAG3c8f0cab5 [2018-11-28 12:16:11,118 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:16:11,119 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:16:11,125 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/data/26cba01a7/6364d7879cb2444f8f4d3c29ab0818b4/FLAG3c8f0cab5 [2018-11-28 12:16:11,136 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/bin-2019/uautomizer/data/26cba01a7/6364d7879cb2444f8f4d3c29ab0818b4 [2018-11-28 12:16:11,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:16:11,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:16:11,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:16:11,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:16:11,143 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:16:11,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5f719e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11, skipping insertion in model container [2018-11-28 12:16:11,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:16:11,175 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:16:11,352 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:16:11,396 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:16:11,423 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:16:11,446 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:16:11,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11 WrapperNode [2018-11-28 12:16:11,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:16:11,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:16:11,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:16:11,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:16:11,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:16:11,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:16:11,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:16:11,477 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:16:11,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... [2018-11-28 12:16:11,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:16:11,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:16:11,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:16:11,492 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:16:11,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a36af43c-29b3-4ee5-b47b-a380242d9c89/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 [2018-11-28 12:16:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:16:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:16:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:16:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:16:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:16:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:16:11,673 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:16:11,673 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 12:16:11,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:11 BoogieIcfgContainer [2018-11-28 12:16:11,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:16:11,674 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:16:11,675 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:16:11,677 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:16:11,678 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:11,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:16:11" (1/3) ... [2018-11-28 12:16:11,679 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31f49e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:16:11, skipping insertion in model container [2018-11-28 12:16:11,679 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:11,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:11" (2/3) ... [2018-11-28 12:16:11,679 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31f49e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:16:11, skipping insertion in model container [2018-11-28 12:16:11,679 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:11,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:11" (3/3) ... [2018-11-28 12:16:11,681 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:16:11,722 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:16:11,722 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:16:11,722 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:16:11,722 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:16:11,723 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:16:11,723 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:16:11,723 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:16:11,723 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:16:11,723 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:16:11,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 12:16:11,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:16:11,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:16:11,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:16:11,753 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 12:16:11,753 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:16:11,753 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:16:11,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 12:16:11,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:16:11,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:16:11,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:16:11,754 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 12:16:11,754 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:16:11,759 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 9#L551true assume !(main_~length1~0 < 1); 13#L551-2true assume !(main_~length2~0 < 1); 4#L554-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 6#L544-3true [2018-11-28 12:16:11,759 INFO L796 eck$LassoCheckResult]: Loop: 6#L544-3true cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 14#L544-1true assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset; 6#L544-3true [2018-11-28 12:16:11,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:11,764 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-11-28 12:16:11,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:11,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:11,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:11,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:11,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:11,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:11,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2018-11-28 12:16:11,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:11,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:11,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:11,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:11,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:11,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:11,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2018-11-28 12:16:11,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:11,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:11,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:11,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:11,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:12,206 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-28 12:16:12,297 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:16:12,298 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:16:12,298 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:16:12,298 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:16:12,298 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:16:12,298 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:16:12,298 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:16:12,298 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:16:12,298 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-28 12:16:12,298 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:16:12,299 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:16:12,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,560 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2018-11-28 12:16:12,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:16:12,983 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:16:12,988 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:16:12,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:12,991 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:12,991 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:12,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:12,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:12,992 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:12,994 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:12,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:12,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:12,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:12,996 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:12,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:12,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:12,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:12,997 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:12,997 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:12,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:12,998 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:12,998 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:12,998 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:12,999 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:12,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:12,999 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:12,999 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:12,999 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:12,999 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,000 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,000 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,001 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,002 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:13,002 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,002 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,003 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,003 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,003 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,004 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,004 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:13,004 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,005 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,005 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,008 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:13,008 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,011 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,011 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,012 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,012 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,012 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,012 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:13,013 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,014 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,014 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,015 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,015 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,015 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,016 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:13,017 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,020 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,020 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,020 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,020 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,021 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,022 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:13,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,023 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,024 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,024 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,024 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,024 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,024 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:13,025 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,025 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,026 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,026 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,026 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,026 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,026 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,027 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:13,027 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,028 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,028 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,028 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,028 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,028 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,029 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:13,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,029 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,030 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,030 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,030 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,030 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,031 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:16:13,031 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,033 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,033 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,034 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,035 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:13,035 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,041 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 12:16:13,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,041 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,044 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 12:16:13,044 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,063 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,064 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:13,064 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,066 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,067 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:16:13,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,067 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 12:16:13,067 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,068 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:16:13,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:16:13,070 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,071 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,071 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,071 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,072 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:13,072 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,075 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,075 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,075 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,079 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:13,079 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,088 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,088 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,089 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,089 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,091 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:13,091 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:16:13,099 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:16:13,100 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:16:13,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:16:13,100 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:16:13,100 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:16:13,105 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:16:13,105 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:16:13,140 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:16:13,167 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:16:13,167 INFO L444 ModelExtractionUtils]: 45 out of 49 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:16:13,169 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:16:13,171 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 12:16:13,171 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:16:13,172 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0.offset, v_rep(select #length ULTIMATE.start_cstrcpy_~src~0.base)_1) = -1*ULTIMATE.start_cstrcpy_~src~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrcpy_~src~0.base)_1 Supporting invariants [] [2018-11-28 12:16:13,215 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2018-11-28 12:16:13,219 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 12:16:13,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:13,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:13,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:13,283 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 12:16:13,284 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-11-28 12:16:13,306 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2018-11-28 12:16:13,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 12:16:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:16:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2018-11-28 12:16:13,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 12:16:13,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:16:13,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-28 12:16:13,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:16:13,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-28 12:16:13,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:16:13,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2018-11-28 12:16:13,312 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:16:13,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2018-11-28 12:16:13,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:16:13,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:16:13,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:16:13,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:16:13,315 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:16:13,315 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:16:13,315 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:16:13,316 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:16:13,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:16:13,316 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:16:13,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:16:13,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:16:13 BoogieIcfgContainer [2018-11-28 12:16:13,319 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:16:13,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:16:13,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:16:13,320 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:16:13,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:11" (3/4) ... [2018-11-28 12:16:13,322 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:16:13,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:16:13,323 INFO L168 Benchmark]: Toolchain (without parser) took 2184.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.1 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:13,323 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:16:13,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -204.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:13,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.92 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. [2018-11-28 12:16:13,324 INFO L168 Benchmark]: Boogie Preprocessor took 14.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:13,325 INFO L168 Benchmark]: RCFGBuilder took 181.87 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:13,325 INFO L168 Benchmark]: BuchiAutomizer took 1644.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -31.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:13,325 INFO L168 Benchmark]: Witness Printer took 2.58 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:16:13,328 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -204.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.92 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. * Boogie Preprocessor took 14.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 181.87 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1644.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -31.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.58 ms. Allocated memory is still 1.3 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 -1 * src + unknown-#length-unknown[src] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms 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...