./Ultimate.py --spec ../../sv-benchmarks/c/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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/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_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/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 0.1.23-1dbac8b [2018-11-10 05:51:28,365 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:51:28,366 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:51:28,375 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:51:28,375 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:51:28,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:51:28,376 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:51:28,377 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:51:28,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:51:28,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:51:28,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:51:28,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:51:28,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:51:28,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:51:28,382 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:51:28,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:51:28,383 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:51:28,384 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:51:28,385 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:51:28,387 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:51:28,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:51:28,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:51:28,390 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:51:28,390 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:51:28,390 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:51:28,391 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:51:28,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:51:28,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:51:28,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:51:28,393 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:51:28,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:51:28,394 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:51:28,394 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:51:28,394 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:51:28,395 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:51:28,395 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:51:28,396 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 05:51:28,406 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:51:28,406 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:51:28,407 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:51:28,408 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:51:28,408 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:51:28,408 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 05:51:28,408 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 05:51:28,408 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 05:51:28,408 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 05:51:28,408 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 05:51:28,408 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 05:51:28,409 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:51:28,409 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:51:28,409 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:51:28,409 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:51:28,409 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:51:28,409 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:51:28,409 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 05:51:28,409 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 05:51:28,410 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 05:51:28,410 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:51:28,410 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:51:28,410 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 05:51:28,410 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 05:51:28,410 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:51:28,411 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:51:28,411 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 05:51:28,411 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:51:28,411 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:51:28,411 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 05:51:28,412 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 05:51:28,412 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_c677a1bc-ed68-4a20-9927-740af67d813d/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 [2018-11-10 05:51:28,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:51:28,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:51:28,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:51:28,442 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:51:28,442 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:51:28,442 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-10 05:51:28,476 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/data/8c0ac44c0/1c49d8dcd6dc490e879d00d1418b2af3/FLAGaa30724b7 [2018-11-10 05:51:28,893 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:51:28,894 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-10 05:51:28,901 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/data/8c0ac44c0/1c49d8dcd6dc490e879d00d1418b2af3/FLAGaa30724b7 [2018-11-10 05:51:28,909 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/data/8c0ac44c0/1c49d8dcd6dc490e879d00d1418b2af3 [2018-11-10 05:51:28,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:51:28,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:51:28,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:51:28,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:51:28,914 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:51:28,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:51:28" (1/1) ... [2018-11-10 05:51:28,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1039c3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:28, skipping insertion in model container [2018-11-10 05:51:28,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:51:28" (1/1) ... [2018-11-10 05:51:28,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:51:28,948 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:51:29,121 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:51:29,129 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:51:29,156 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:51:29,179 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:51:29,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29 WrapperNode [2018-11-10 05:51:29,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:51:29,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:51:29,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:51:29,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:51:29,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:51:29,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:51:29,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:51:29,254 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:51:29,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... [2018-11-10 05:51:29,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:51:29,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:51:29,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:51:29,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:51:29,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c677a1bc-ed68-4a20-9927-740af67d813d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:51:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 05:51:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 05:51:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:51:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:51:29,500 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:51:29,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:29 BoogieIcfgContainer [2018-11-10 05:51:29,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:51:29,501 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 05:51:29,501 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 05:51:29,504 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 05:51:29,505 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:51:29,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 05:51:28" (1/3) ... [2018-11-10 05:51:29,506 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e73eb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:51:29, skipping insertion in model container [2018-11-10 05:51:29,506 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:51:29,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:51:29" (2/3) ... [2018-11-10 05:51:29,507 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e73eb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:51:29, skipping insertion in model container [2018-11-10 05:51:29,507 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:51:29,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:29" (3/3) ... [2018-11-10 05:51:29,508 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-10 05:51:29,555 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:51:29,556 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 05:51:29,556 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 05:51:29,556 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 05:51:29,556 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:51:29,556 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:51:29,556 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 05:51:29,556 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:51:29,556 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 05:51:29,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-10 05:51:29,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-10 05:51:29,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:51:29,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:51:29,592 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:51:29,592 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 05:51:29,592 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 05:51:29,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-10 05:51:29,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-10 05:51:29,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:51:29,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:51:29,594 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:51:29,594 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 05:51:29,601 INFO L793 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 12#L551true assume !(main_~length1~0 < 1); 17#L551-2true assume !(main_~length2~0 < 1); 7#L554-1true assume !(main_~length1~0 < main_~length2~0);#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length1~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length2~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset; 15#L560true SUMMARY for call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1) * 1, 1); srcloc: L560 19#L560-1true assume { :begin_inline_cstrcpy } true;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; 18#L544-6true [2018-11-10 05:51:29,601 INFO L795 eck$LassoCheckResult]: Loop: 18#L544-6true assume true; 5#L544-1true 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, cstrcpy_#t~post2.offset + 1;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, cstrcpy_#t~post3.offset + 1; 8#L544-2true SUMMARY for call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1); srcloc: L544-2 10#L544-3true SUMMARY for call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); srcloc: L544-3 14#L544-4true assume !!(cstrcpy_#t~mem4 != 0);havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~mem4; 18#L544-6true [2018-11-10 05:51:29,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:51:29,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939467, now seen corresponding path program 1 times [2018-11-10 05:51:29,608 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:51:29,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:51:29,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:51:29,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:51:29,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:51:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:51:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:51:29,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:51:29,701 INFO L82 PathProgramCache]: Analyzing trace with hash 52549374, now seen corresponding path program 1 times [2018-11-10 05:51:29,701 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:51:29,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:51:29,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:51:29,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:51:29,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:51:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:51:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:51:29,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:51:29,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1253957620, now seen corresponding path program 1 times [2018-11-10 05:51:29,718 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:51:29,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:51:29,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:51:29,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:51:29,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:51:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:51:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:51:30,108 WARN L179 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2018-11-10 05:51:30,194 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:51:30,195 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:51:30,195 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:51:30,195 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:51:30,196 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:51:30,196 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:51:30,196 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:51:30,196 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:51:30,196 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-10 05:51:30,196 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:51:30,197 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:51:30,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,489 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2018-11-10 05:51:30,623 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2018-11-10 05:51:30,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:30,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:51:31,040 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:51:31,043 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:51:31,044 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:51:31,046 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,046 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:51:31,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,046 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,046 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,048 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:51:31,048 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:51:31,051 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,051 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:51:31,052 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,052 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:51:31,052 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,052 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,052 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,053 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:51:31,054 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:51:31,054 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,055 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:51:31,055 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,056 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:51:31,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,056 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,056 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:51:31,057 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:51:31,057 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:51:31,058 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:51:31,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,058 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,059 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:51:31,059 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:51:31,060 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,060 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:51:31,060 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:51:31,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,061 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,061 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:51:31,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:51:31,062 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,062 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 [2018-11-10 05:51:31,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:51:31,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,065 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,065 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:51:31,065 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:51:31,066 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,066 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 [2018-11-10 05:51:31,066 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,067 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,068 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:51:31,069 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:51:31,073 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,073 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:51:31,074 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,074 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:51:31,074 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,074 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,074 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,075 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:51:31,075 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:51:31,075 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,075 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 [2018-11-10 05:51:31,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,076 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,077 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:51:31,078 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:51:31,083 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,083 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:51:31,083 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,084 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:51:31,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,084 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,084 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:51:31,084 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:51:31,085 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:51:31,085 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:51:31,086 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:51:31,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:51:31,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:51:31,088 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:51:31,095 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:51:31,095 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:51:31,165 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 05:51:31,208 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-11-10 05:51:31,208 INFO L444 ModelExtractionUtils]: 54 out of 61 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-10 05:51:31,209 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 05:51:31,211 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 05:51:31,211 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 05:51:31,211 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cstrcpy_~dst~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [] [2018-11-10 05:51:31,258 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-11-10 05:51:31,264 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 05:51:31,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:51:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:51:31,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:51:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:51:31,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:51:31,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:51:31,366 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2018-11-10 05:51:31,367 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 6 states. [2018-11-10 05:51:31,431 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 6 states. Result 33 states and 37 transitions. Complement of second has 9 states. [2018-11-10 05:51:31,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 05:51:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-10 05:51:31,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2018-11-10 05:51:31,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 7 letters. Loop has 5 letters. [2018-11-10 05:51:31,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:51:31,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 12 letters. Loop has 5 letters. [2018-11-10 05:51:31,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:51:31,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 7 letters. Loop has 10 letters. [2018-11-10 05:51:31,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:51:31,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2018-11-10 05:51:31,438 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:51:31,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2018-11-10 05:51:31,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 05:51:31,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 05:51:31,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 05:51:31,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 05:51:31,441 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:51:31,441 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:51:31,441 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:51:31,441 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 05:51:31,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:51:31,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:51:31,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 05:51:31,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 05:51:31 BoogieIcfgContainer [2018-11-10 05:51:31,445 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 05:51:31,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:51:31,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:51:31,446 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:51:31,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:29" (3/4) ... [2018-11-10 05:51:31,448 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:51:31,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:51:31,449 INFO L168 Benchmark]: Toolchain (without parser) took 2537.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -105.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:31,450 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:51:31,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.33 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:31,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:31,451 INFO L168 Benchmark]: Boogie Preprocessor took 14.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:51:31,451 INFO L168 Benchmark]: RCFGBuilder took 231.53 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:31,451 INFO L168 Benchmark]: BuchiAutomizer took 1944.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 91.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:31,452 INFO L168 Benchmark]: Witness Printer took 3.01 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:51:31,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.33 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 231.53 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1944.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 91.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * dst and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 18 SDslu, 14 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax100 hnf99 lsp97 ukn116 mio100 lsp44 div100 bol100 ite100 ukn100 eq202 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...