./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/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 0b29929f70f48b1f1b1180a065dc51df3698b29b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:36:18,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:36:18,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:36:18,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:36:18,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:36:18,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:36:18,578 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:36:18,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:36:18,580 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:36:18,580 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:36:18,580 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:36:18,581 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:36:18,581 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:36:18,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:36:18,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:36:18,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:36:18,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:36:18,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:36:18,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:36:18,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:36:18,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:36:18,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:36:18,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:36:18,588 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:36:18,588 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:36:18,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:36:18,589 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:36:18,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:36:18,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:36:18,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:36:18,591 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:36:18,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:36:18,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:36:18,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:36:18,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:36:18,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:36:18,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 16:36:18,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:36:18,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:36:18,605 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:36:18,606 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:36:18,606 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:36:18,606 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 16:36:18,606 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 16:36:18,606 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 16:36:18,606 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 16:36:18,607 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 16:36:18,607 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 16:36:18,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:36:18,607 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:36:18,607 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:36:18,607 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:36:18,607 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:36:18,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:36:18,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 16:36:18,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 16:36:18,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 16:36:18,608 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:36:18,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:36:18,609 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 16:36:18,609 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:36:18,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 16:36:18,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:36:18,609 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:36:18,609 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 16:36:18,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:36:18,610 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:36:18,610 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 16:36:18,610 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 16:36:18,611 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_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/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 -> 0b29929f70f48b1f1b1180a065dc51df3698b29b [2018-12-08 16:36:18,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:36:18,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:36:18,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:36:18,643 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:36:18,643 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:36:18,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i [2018-12-08 16:36:18,681 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/data/1168a9b19/707d3eb6ec6e4aed99cd1598282855a8/FLAGc800a4b3b [2018-12-08 16:36:19,068 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:36:19,068 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i [2018-12-08 16:36:19,077 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/data/1168a9b19/707d3eb6ec6e4aed99cd1598282855a8/FLAGc800a4b3b [2018-12-08 16:36:19,422 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/bin-2019/uautomizer/data/1168a9b19/707d3eb6ec6e4aed99cd1598282855a8 [2018-12-08 16:36:19,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:36:19,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:36:19,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:36:19,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:36:19,429 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:36:19,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6a5933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19, skipping insertion in model container [2018-12-08 16:36:19,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:36:19,460 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:36:19,632 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:36:19,639 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:36:19,692 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:36:19,712 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:36:19,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19 WrapperNode [2018-12-08 16:36:19,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:36:19,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:36:19,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:36:19,713 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:36:19,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:36:19,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:36:19,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:36:19,738 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:36:19,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... [2018-12-08 16:36:19,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:36:19,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:36:19,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:36:19,754 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:36:19,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3fc9b41-0cc7-4974-810e-6c47bc91e4a7/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 [2018-12-08 16:36:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:36:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:36:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:36:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 16:36:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 16:36:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:36:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:36:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:36:19,936 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:36:19,936 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 16:36:19,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:36:19 BoogieIcfgContainer [2018-12-08 16:36:19,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:36:19,937 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 16:36:19,937 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 16:36:19,939 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 16:36:19,939 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:36:19,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 04:36:19" (1/3) ... [2018-12-08 16:36:19,940 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d1415eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 04:36:19, skipping insertion in model container [2018-12-08 16:36:19,940 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:36:19,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:19" (2/3) ... [2018-12-08 16:36:19,940 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d1415eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 04:36:19, skipping insertion in model container [2018-12-08 16:36:19,940 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 16:36:19,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:36:19" (3/3) ... [2018-12-08 16:36:19,941 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i [2018-12-08 16:36:19,972 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:36:19,973 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 16:36:19,973 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 16:36:19,973 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 16:36:19,973 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:36:19,973 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:36:19,973 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 16:36:19,973 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:36:19,973 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 16:36:19,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-12-08 16:36:19,995 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-08 16:36:19,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 16:36:19,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 16:36:20,000 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 16:36:20,000 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-12-08 16:36:20,000 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 16:36:20,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-12-08 16:36:20,001 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-08 16:36:20,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 16:36:20,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 16:36:20,001 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 16:36:20,001 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-12-08 16:36:20,006 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 15#L561true assume !(main_~length~0 < 1); 19#L561-2true assume !(main_~n~0 < 1); 13#L564-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.alloc(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.alloc(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 8#L543true assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + (if cstpncpy_~n % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n % 4294967296 % 4294967296 else cstpncpy_~n % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 9#L547-4true [2018-12-08 16:36:20,006 INFO L796 eck$LassoCheckResult]: Loop: 9#L547-4true cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 3#L548true assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~mem7;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset; 5#L547-1true cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 7#L547-2true assume !!(0 != cstpncpy_#t~pre4 % 4294967296);havoc cstpncpy_#t~pre4; 9#L547-4true [2018-12-08 16:36:20,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:20,010 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2018-12-08 16:36:20,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:20,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:20,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:20,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:20,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:36:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:36:20,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:20,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2018-12-08 16:36:20,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:20,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:20,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:20,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:20,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:36:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:36:20,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:20,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2018-12-08 16:36:20,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:20,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:20,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:20,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:20,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:36:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:36:20,952 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 153 [2018-12-08 16:36:20,977 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:36:21,198 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:36:21,203 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:36:21,412 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:36:22,295 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 16:36:22,469 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:36:22,471 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-08 16:36:22,626 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:36:23,328 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:36:23,512 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:36:23,516 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:36:23,694 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:36:24,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-12-08 16:36:24,550 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:553, output treesize:521 [2018-12-08 16:36:25,339 WARN L180 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-12-08 16:36:25,346 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 16:36:25,347 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 16:36:25,347 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 16:36:25,347 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 16:36:25,347 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 16:36:25,347 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 16:36:25,347 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 16:36:25,347 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 16:36:25,348 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-12-08 16:36:25,348 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 16:36:25,348 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 16:36:25,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:25,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:25,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:25,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:25,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:25,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:25,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:25,572 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 16:36:25,957 WARN L180 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2018-12-08 16:36:26,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 16:36:26,475 WARN L180 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2018-12-08 16:36:26,602 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-12-08 16:36:26,676 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-08 16:36:27,043 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-12-08 16:36:27,182 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 16:36:27,185 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 16:36:27,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:36:27,187 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,187 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:36:27,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:36:27,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:36:27,188 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,189 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:36:27,189 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:36:27,190 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:36:27,190 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 16:36:27,190 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:36:27,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:36:27,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:36:27,191 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,191 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:36:27,191 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:36:27,191 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:36:27,192 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 [2018-12-08 16:36:27,192 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,192 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:36:27,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:36:27,192 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,193 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:36:27,193 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 16:36:27,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:36:27,196 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 [2018-12-08 16:36:27,196 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,196 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:36:27,196 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:36:27,196 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:36:27,197 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,197 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:36:27,197 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:36:27,198 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:36:27,198 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 [2018-12-08 16:36:27,198 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:36:27,199 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:36:27,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:36:27,199 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,199 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:36:27,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:36:27,200 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:36:27,200 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 [2018-12-08 16:36:27,201 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,201 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:36:27,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:36:27,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:36:27,201 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,201 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 16:36:27,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:36:27,202 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:36:27,202 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 [2018-12-08 16:36:27,203 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,203 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 16:36:27,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:36:27,203 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 16:36:27,203 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,204 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 16:36:27,204 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 16:36:27,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:36:27,206 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 [2018-12-08 16:36:27,206 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 16:36:27,207 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:36:27,207 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,207 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 16:36:27,207 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 16:36:27,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 16:36:27,210 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 [2018-12-08 16:36:27,210 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 16:36:27,210 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-08 16:36:27,210 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 16:36:27,210 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 16:36:27,219 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-08 16:36:27,219 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 16:36:27,298 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 16:36:27,321 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-08 16:36:27,321 INFO L444 ModelExtractionUtils]: 52 out of 58 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-12-08 16:36:27,323 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 16:36:27,324 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-08 16:36:27,324 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 16:36:27,324 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_cstpncpy_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_cstpncpy_~d~0.offset Supporting invariants [] [2018-12-08 16:36:27,379 INFO L297 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2018-12-08 16:36:27,384 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:36:27,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:27,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:36:27,433 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-08 16:36:27,439 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-08 16:36:27,439 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:36:27,440 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:36:27,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:36:27,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-12-08 16:36:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:27,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:36:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:36:27,483 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-08 16:36:27,484 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 4 states. [2018-12-08 16:36:27,553 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 4 states. Result 37 states and 46 transitions. Complement of second has 7 states. [2018-12-08 16:36:27,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-08 16:36:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-08 16:36:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2018-12-08 16:36:27,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. [2018-12-08 16:36:27,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 16:36:27,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 4 letters. [2018-12-08 16:36:27,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 16:36:27,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 8 letters. [2018-12-08 16:36:27,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 16:36:27,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2018-12-08 16:36:27,561 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 16:36:27,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2018-12-08 16:36:27,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 16:36:27,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 16:36:27,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 16:36:27,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 16:36:27,565 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:36:27,566 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:36:27,566 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:36:27,566 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 16:36:27,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:36:27,566 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 16:36:27,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 16:36:27,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 04:36:27 BoogieIcfgContainer [2018-12-08 16:36:27,571 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 16:36:27,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:36:27,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:36:27,572 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:36:27,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:36:19" (3/4) ... [2018-12-08 16:36:27,575 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:36:27,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:36:27,575 INFO L168 Benchmark]: Toolchain (without parser) took 8149.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 950.6 MB in the beginning and 982.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 134.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:27,576 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-08 16:36:27,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:27,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:27,577 INFO L168 Benchmark]: Boogie Preprocessor took 15.50 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:27,578 INFO L168 Benchmark]: RCFGBuilder took 182.79 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:27,578 INFO L168 Benchmark]: BuchiAutomizer took 7634.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 982.0 MB in the end (delta: 82.5 MB). Peak memory consumption was 147.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:27,579 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 1.2 GB. Free memory is still 982.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:36:27,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 286.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.50 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 182.79 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7634.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 982.0 MB in the end (delta: 82.5 MB). Peak memory consumption was 147.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 ms. Allocated memory is still 1.2 GB. Free memory is still 982.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * d and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. 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: 17 SDtfs, 18 SDslu, 13 SDs, 0 SdLazy, 14 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital634 mio100 ax100 hnf99 lsp134 ukn45 mio100 lsp83 div111 bol100 ite100 ukn100 eq181 hnf85 smp56 dnf292 smp41 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 114ms VariablesStem: 24 VariablesLoop: 20 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...