./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_malloc.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcpy_malloc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 09ae4d51b580facdb6980454a5f3a8886f91c21b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:39:22,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:39:22,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:39:22,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:39:22,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:39:22,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:39:22,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:39:22,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:39:22,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:39:22,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:39:22,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:39:22,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:39:22,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:39:22,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:39:22,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:39:22,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:39:22,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:39:22,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:39:22,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:39:22,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:39:22,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:39:22,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:39:22,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:39:22,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:39:22,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:39:22,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:39:22,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:39:22,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:39:22,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:39:22,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:39:22,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:39:22,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:39:22,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:39:22,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:39:22,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:39:22,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:39:22,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:39:22,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:39:22,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:39:22,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:39:22,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:39:22,334 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:39:22,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:39:22,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:39:22,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:39:22,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:39:22,382 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:39:22,383 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:39:22,383 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:39:22,383 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:39:22,383 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:39:22,383 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:39:22,384 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:39:22,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:39:22,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:39:22,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:39:22,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:39:22,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:39:22,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:39:22,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:39:22,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:39:22,389 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:39:22,389 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:39:22,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:39:22,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:39:22,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:39:22,390 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:39:22,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:39:22,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:39:22,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:39:22,391 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:39:22,393 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:39:22,394 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 09ae4d51b580facdb6980454a5f3a8886f91c21b [2020-07-29 01:39:22,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:39:22,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:39:22,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:39:22,758 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:39:22,759 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:39:22,760 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2020-07-29 01:39:22,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd10cc53/7bc3793bcda646b3943f879968bf44e1/FLAGdb25a7a63 [2020-07-29 01:39:23,397 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:39:23,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2020-07-29 01:39:23,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd10cc53/7bc3793bcda646b3943f879968bf44e1/FLAGdb25a7a63 [2020-07-29 01:39:23,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd10cc53/7bc3793bcda646b3943f879968bf44e1 [2020-07-29 01:39:23,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:39:23,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:39:23,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:23,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:39:23,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:39:23,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:23" (1/1) ... [2020-07-29 01:39:23,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62774497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:23, skipping insertion in model container [2020-07-29 01:39:23,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:23" (1/1) ... [2020-07-29 01:39:23,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:39:23,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:39:24,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:24,347 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:39:24,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:24,516 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:39:24,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24 WrapperNode [2020-07-29 01:39:24,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:24,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:24,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:39:24,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:39:24,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:24,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:39:24,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:39:24,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:39:24,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:39:24,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:39:24,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:39:24,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:39:24,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:39:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:39:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:39:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:39:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:39:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:39:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:39:25,153 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:39:25,153 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:39:25,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:25 BoogieIcfgContainer [2020-07-29 01:39:25,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:39:25,157 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:39:25,158 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:39:25,161 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:39:25,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:25,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:39:23" (1/3) ... [2020-07-29 01:39:25,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73b22491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:25, skipping insertion in model container [2020-07-29 01:39:25,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:25,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24" (2/3) ... [2020-07-29 01:39:25,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73b22491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:25, skipping insertion in model container [2020-07-29 01:39:25,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:25,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:25" (3/3) ... [2020-07-29 01:39:25,166 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc.i [2020-07-29 01:39:25,216 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:39:25,216 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:39:25,217 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:39:25,217 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:39:25,217 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:39:25,217 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:39:25,217 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:39:25,217 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:39:25,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:39:25,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:25,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:25,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:25,267 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:39:25,268 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:25,268 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:39:25,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:39:25,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:25,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:25,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:25,272 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:39:25,272 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:25,281 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 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); 5#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnHeap(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.allocOnHeap(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~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; 7#L368-3true [2020-07-29 01:39:25,281 INFO L796 eck$LassoCheckResult]: Loop: 7#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 !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; 7#L368-3true [2020-07-29 01:39:25,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:25,287 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-07-29 01:39:25,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:25,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81721471] [2020-07-29 01:39:25,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:25,418 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:25,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:25,465 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:25,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:25,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2020-07-29 01:39:25,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:25,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992454848] [2020-07-29 01:39:25,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:25,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:25,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:25,494 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:25,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:25,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2020-07-29 01:39:25,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:25,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582028715] [2020-07-29 01:39:25,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:25,557 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:25,625 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:25,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:26,232 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-07-29 01:39:26,447 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-29 01:39:26,466 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:39:26,468 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:39:26,468 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:39:26,468 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:39:26,469 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:39:26,469 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:26,469 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:39:26,470 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:39:26,470 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc.i_Iteration1_Lasso [2020-07-29 01:39:26,470 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:39:26,471 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:39:26,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:26,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:26,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,013 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-07-29 01:39:27,223 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-07-29 01:39:27,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:28,676 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-07-29 01:39:28,847 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:39:28,854 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:28,869 INFO L120 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 [2020-07-29 01:39:28,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:28,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:28,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:28,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:28,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:28,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:28,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:28,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:28,910 INFO L120 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 [2020-07-29 01:39:28,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:28,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:28,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:28,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:28,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:28,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:28,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:28,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:28,947 INFO L120 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 [2020-07-29 01:39:28,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:28,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:28,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:28,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:28,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:28,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:28,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,015 INFO L120 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 [2020-07-29 01:39:29,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:39:29,071 INFO L120 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 [2020-07-29 01:39:29,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:39:29,140 INFO L120 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 [2020-07-29 01:39:29,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,173 INFO L120 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 [2020-07-29 01:39:29,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,224 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:39:29,290 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-07-29 01:39:29,290 INFO L444 ModelExtractionUtils]: 33 out of 52 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:39:29,320 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,362 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:39:29,362 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:39:29,363 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1) = -1*ULTIMATE.start_cstrcpy_~src~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 Supporting invariants [] [2020-07-29 01:39:29,553 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2020-07-29 01:39:29,567 INFO L393 LassoCheck]: Loop: "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);" "assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;" [2020-07-29 01:39:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:39:29,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 30 conjunts are in the unsatisfiable core [2020-07-29 01:39:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:29,685 INFO L280 TraceCheckUtils]: 0: Hoare triple {22#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {22#unseeded} is VALID [2020-07-29 01:39:29,687 INFO L280 TraceCheckUtils]: 1: Hoare triple {22#unseeded} 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; {22#unseeded} is VALID [2020-07-29 01:39:29,688 INFO L280 TraceCheckUtils]: 2: Hoare triple {22#unseeded} assume !(main_~length1~0 < 1); {22#unseeded} is VALID [2020-07-29 01:39:29,689 INFO L280 TraceCheckUtils]: 3: Hoare triple {22#unseeded} assume !(main_~length2~0 < 1); {22#unseeded} is VALID [2020-07-29 01:39:29,691 INFO L280 TraceCheckUtils]: 4: Hoare triple {22#unseeded} assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnHeap(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.allocOnHeap(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~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; {102#(and (= ULTIMATE.start_cstrcpy_~dst~0.base |ULTIMATE.start_main_#t~malloc210.base|) (= (+ ULTIMATE.start_cstrcpy_~src~0.offset (- 1)) (+ ULTIMATE.start_cstrcpy_~dst~0.offset (- 1))) unseeded)} is VALID [2020-07-29 01:39:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,705 WARN L261 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-29 01:39:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:29,766 INFO L280 TraceCheckUtils]: 0: Hoare triple {103#(and (= ULTIMATE.start_cstrcpy_~dst~0.base |ULTIMATE.start_main_#t~malloc210.base|) (= (+ ULTIMATE.start_cstrcpy_~src~0.offset (- 1)) (+ ULTIMATE.start_cstrcpy_~dst~0.offset (- 1))) (>= oldRank0 (+ (* (- 1) ULTIMATE.start_cstrcpy_~src~0.offset) (select |#length| |ULTIMATE.start_main_#t~malloc210.base|))))} 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); {123#(and (= ULTIMATE.start_cstrcpy_~src~0.offset ULTIMATE.start_cstrcpy_~dst~0.offset) (= ULTIMATE.start_cstrcpy_~dst~0.base |ULTIMATE.start_main_#t~malloc210.base|) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc210.base|) 1) (+ ULTIMATE.start_cstrcpy_~src~0.offset oldRank0)) (<= ULTIMATE.start_cstrcpy_~src~0.offset (select |#length| |ULTIMATE.start_main_#t~malloc210.base|)))} is VALID [2020-07-29 01:39:29,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {123#(and (= ULTIMATE.start_cstrcpy_~src~0.offset ULTIMATE.start_cstrcpy_~dst~0.offset) (= ULTIMATE.start_cstrcpy_~dst~0.base |ULTIMATE.start_main_#t~malloc210.base|) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc210.base|) 1) (+ ULTIMATE.start_cstrcpy_~src~0.offset oldRank0)) (<= ULTIMATE.start_cstrcpy_~src~0.offset (select |#length| |ULTIMATE.start_main_#t~malloc210.base|)))} assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; {105#(and (= ULTIMATE.start_cstrcpy_~dst~0.base |ULTIMATE.start_main_#t~malloc210.base|) (= (+ ULTIMATE.start_cstrcpy_~src~0.offset (- 1)) (+ ULTIMATE.start_cstrcpy_~dst~0.offset (- 1))) (or (and (> oldRank0 (+ (* (- 1) ULTIMATE.start_cstrcpy_~src~0.offset) (select |#length| |ULTIMATE.start_main_#t~malloc210.base|))) (>= oldRank0 0)) unseeded))} is VALID [2020-07-29 01:39:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:39:29,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:39:29,800 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:39:29,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:29,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,813 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 [2020-07-29 01:39:29,815 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-07-29 01:39:29,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2020-07-29 01:39:29,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:39:29,940 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:29,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:39:29,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:29,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:29,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:29,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:39:29,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:39:29,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:29,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:29,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 30 transitions. [2020-07-29 01:39:29,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:29,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:29,956 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 12 states. [2020-07-29 01:39:29,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:29,960 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:29,960 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:39:29,966 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:39:29,966 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:29,967 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 27 states and 30 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:29,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 30 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:29,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:29,967 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:39:29,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:29,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:29,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:29,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:29,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:29,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:29,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:39:29,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:39:29,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:39:29,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:39:29,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:39:29,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:39:29,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:29,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:29,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:29,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:29,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:29,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:29,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:29,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:29,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:29,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:29,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:29,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:29,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:29,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:29,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:29,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:29,992 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:39:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2020-07-29 01:39:29,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:30,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2020-07-29 01:39:30,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:30,006 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:30,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2020-07-29 01:39:30,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:39:30,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:39:30,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:39:30,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:39:30,013 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:30,013 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:30,013 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:30,013 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:39:30,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:39:30,014 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:30,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:30,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:39:30 BoogieIcfgContainer [2020-07-29 01:39:30,022 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:39:30,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:39:30,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:39:30,023 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:39:30,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:25" (3/4) ... [2020-07-29 01:39:30,027 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:39:30,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:39:30,030 INFO L168 Benchmark]: Toolchain (without parser) took 6357.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 957.5 MB in the beginning and 833.2 MB in the end (delta: 124.4 MB). Peak memory consumption was 323.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,031 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:30,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.89 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. [2020-07-29 01:39:30,033 INFO L168 Benchmark]: Boogie Preprocessor took 30.88 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,034 INFO L168 Benchmark]: RCFGBuilder took 555.11 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,035 INFO L168 Benchmark]: BuchiAutomizer took 4864.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 833.2 MB in the end (delta: 239.6 MB). Peak memory consumption was 313.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,035 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 1.2 GB. Free memory is still 833.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:30,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 841.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.89 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. * Boogie Preprocessor took 30.88 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 555.11 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4864.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 833.2 MB in the end (delta: 239.6 MB). Peak memory consumption was 313.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.34 ms. Allocated memory is still 1.2 GB. Free memory is still 833.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * src + unknown-#length-unknown[malloc(length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 16 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital213 mio100 ax100 hnf99 lsp97 ukn91 mio100 lsp47 div100 bol100 ite100 ukn100 eq202 hnf84 smp100 dnf193 smp92 tf100 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 2 VariablesLoop: 3 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...