./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/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 64bit --witnessprinter.graph.data.programhash ca73807de0c8f7d87fbb77e097710eeb5024a6fe ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:26:23,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:26:23,332 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:26:23,338 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:26:23,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:26:23,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:26:23,340 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:26:23,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:26:23,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:26:23,342 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:26:23,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:26:23,343 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:26:23,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:26:23,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:26:23,345 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:26:23,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:26:23,346 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:26:23,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:26:23,349 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:26:23,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:26:23,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:26:23,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:26:23,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:26:23,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:26:23,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:26:23,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:26:23,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:26:23,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:26:23,355 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:26:23,355 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:26:23,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:26:23,356 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:26:23,356 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:26:23,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:26:23,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:26:23,357 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:26:23,357 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 08:26:23,367 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:26:23,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:26:23,368 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:26:23,369 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:26:23,369 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:26:23,369 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 08:26:23,369 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 08:26:23,370 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 08:26:23,370 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 08:26:23,370 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 08:26:23,370 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 08:26:23,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:26:23,371 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 08:26:23,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:26:23,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:26:23,371 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 08:26:23,371 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 08:26:23,371 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 08:26:23,371 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:26:23,371 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 08:26:23,372 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:26:23,372 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 08:26:23,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:26:23,372 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:26:23,372 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 08:26:23,372 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:26:23,372 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:26:23,372 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 08:26:23,373 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 08:26:23,373 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_da56dfce-0636-43ef-b368-8e494ddcd96b/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca73807de0c8f7d87fbb77e097710eeb5024a6fe [2018-11-23 08:26:23,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:26:23,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:26:23,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:26:23,405 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:26:23,405 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:26:23,405 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca_true-termination.c.i [2018-11-23 08:26:23,440 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/data/d773c1096/f2f2fef5b05b409f92c77d4186df7c02/FLAGe7f97ce45 [2018-11-23 08:26:23,781 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:26:23,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca_true-termination.c.i [2018-11-23 08:26:23,789 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/data/d773c1096/f2f2fef5b05b409f92c77d4186df7c02/FLAGe7f97ce45 [2018-11-23 08:26:23,801 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/bin-2019/uautomizer/data/d773c1096/f2f2fef5b05b409f92c77d4186df7c02 [2018-11-23 08:26:23,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:26:23,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:26:23,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:26:23,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:26:23,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:26:23,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:23" (1/1) ... [2018-11-23 08:26:23,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172b0922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:23, skipping insertion in model container [2018-11-23 08:26:23,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:23" (1/1) ... [2018-11-23 08:26:23,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:26:23,848 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:26:24,061 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:26:24,067 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:26:24,144 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:26:24,173 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:26:24,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24 WrapperNode [2018-11-23 08:26:24,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:26:24,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:26:24,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:26:24,174 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:26:24,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:26:24,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:26:24,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:26:24,202 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:26:24,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2018-11-23 08:26:24,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:26:24,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:26:24,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:26:24,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:26:24,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da56dfce-0636-43ef-b368-8e494ddcd96b/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 [2018-11-23 08:26:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:26:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:26:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:26:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:26:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:26:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:26:24,404 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:26:24,404 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 08:26:24,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:24 BoogieIcfgContainer [2018-11-23 08:26:24,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:26:24,405 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 08:26:24,405 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 08:26:24,407 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 08:26:24,407 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:26:24,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 08:26:23" (1/3) ... [2018-11-23 08:26:24,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7572b490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 08:26:24, skipping insertion in model container [2018-11-23 08:26:24,408 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:26:24,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (2/3) ... [2018-11-23 08:26:24,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7572b490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 08:26:24, skipping insertion in model container [2018-11-23 08:26:24,409 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:26:24,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:24" (3/3) ... [2018-11-23 08:26:24,410 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcpy_diffterm_alloca_true-termination.c.i [2018-11-23 08:26:24,445 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:26:24,446 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 08:26:24,446 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 08:26:24,446 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 08:26:24,446 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:26:24,446 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:26:24,446 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 08:26:24,446 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:26:24,446 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 08:26:24,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-23 08:26:24,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 08:26:24,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 08:26:24,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 08:26:24,481 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 08:26:24,481 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 08:26:24,481 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 08:26:24,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-23 08:26:24,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 08:26:24,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 08:26:24,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 08:26:24,483 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 08:26:24,483 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 08:26:24,489 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.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~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.alloc(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(49, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 6#L368-3true [2018-11-23 08:26:24,489 INFO L796 eck$LassoCheckResult]: Loop: 6#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(49 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~mem207; 6#L368-3true [2018-11-23 08:26:24,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:24,494 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-11-23 08:26:24,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:26:24,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:26:24,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:24,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:24,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:26:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:26:24,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:24,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2018-11-23 08:26:24,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:26:24,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:26:24,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:24,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:24,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:26:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:26:24,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:24,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2018-11-23 08:26:24,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:26:24,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:26:24,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:24,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:24,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:26:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:26:24,912 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2018-11-23 08:26:24,978 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 08:26:24,979 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 08:26:24,979 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 08:26:24,980 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 08:26:24,980 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 08:26:24,980 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 08:26:24,980 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 08:26:24,980 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 08:26:24,980 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy_diffterm_alloca_true-termination.c.i_Iteration1_Lasso [2018-11-23 08:26:24,980 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 08:26:24,981 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 08:26:25,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,216 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2018-11-23 08:26:25,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:26:25,668 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 08:26:25,673 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 08:26:25,675 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 [2018-11-23 08:26:25,676 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:26:25,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,678 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,679 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:26:25,679 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:26:25,682 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,682 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 [2018-11-23 08:26:25,683 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,683 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:26:25,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,683 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,684 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:26:25,684 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:26:25,684 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,685 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 [2018-11-23 08:26:25,685 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,686 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,686 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,688 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:26:25,689 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:26:25,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,703 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 [2018-11-23 08:26:25,703 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,704 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,704 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,704 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,706 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:26:25,706 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:26:25,712 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,713 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 [2018-11-23 08:26:25,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,714 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,716 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:26:25,716 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:26:25,726 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,727 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 [2018-11-23 08:26:25,727 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,728 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,729 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:26:25,729 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:26:25,731 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,732 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 [2018-11-23 08:26:25,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:26:25,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,732 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 08:26:25,733 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,733 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 08:26:25,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:26:25,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,736 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 [2018-11-23 08:26:25,736 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,737 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,737 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,738 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:26:25,738 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:26:25,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,740 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 [2018-11-23 08:26:25,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,741 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 08:26:25,741 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,741 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,743 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 08:26:25,744 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:26:25,756 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,756 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 [2018-11-23 08:26:25,757 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,757 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 08:26:25,757 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,757 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,759 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 08:26:25,760 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:26:25,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:26:25,771 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 [2018-11-23 08:26:25,772 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:26:25,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:26:25,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:26:25,772 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:26:25,777 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:26:25,777 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:26:25,813 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 08:26:25,851 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-23 08:26:25,851 INFO L444 ModelExtractionUtils]: 44 out of 49 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-23 08:26:25,853 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 08:26:25,855 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 08:26:25,855 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 08:26:25,855 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc211.base)_1) = -1*ULTIMATE.start_cstrcpy_~src~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc211.base)_1 Supporting invariants [] [2018-11-23 08:26:25,898 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-11-23 08:26:25,906 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:26:25,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:25,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:26:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:25,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:26:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:26:25,992 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 08:26:25,993 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-11-23 08:26:26,035 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 6 states. [2018-11-23 08:26:26,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 08:26:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 08:26:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2018-11-23 08:26:26,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-23 08:26:26,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:26:26,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-23 08:26:26,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:26:26,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-23 08:26:26,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:26:26,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2018-11-23 08:26:26,043 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 08:26:26,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2018-11-23 08:26:26,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 08:26:26,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 08:26:26,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 08:26:26,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 08:26:26,046 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:26:26,046 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:26:26,046 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:26:26,046 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 08:26:26,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:26:26,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 08:26:26,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 08:26:26,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 08:26:26 BoogieIcfgContainer [2018-11-23 08:26:26,050 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 08:26:26,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:26:26,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:26:26,051 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:26:26,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:24" (3/4) ... [2018-11-23 08:26:26,053 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 08:26:26,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:26:26,053 INFO L168 Benchmark]: Toolchain (without parser) took 2249.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -70.1 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:26:26,054 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:26:26,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:26:26,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.82 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:26:26,055 INFO L168 Benchmark]: Boogie Preprocessor took 17.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:26:26,056 INFO L168 Benchmark]: RCFGBuilder took 184.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:26:26,056 INFO L168 Benchmark]: BuchiAutomizer took 1645.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:26:26,056 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:26:26,059 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.82 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 184.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1645.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * src + unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...