./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/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 4401d2928f3fda81d6bafd7bed67698eedceeb36 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:20:58,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:20:58,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:20:58,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:20:58,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:20:58,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:20:58,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:20:58,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:20:58,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:20:58,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:20:58,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:20:58,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:20:58,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:20:58,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:20:58,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:20:58,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:20:58,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:20:58,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:20:58,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:20:58,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:20:58,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:20:58,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:20:58,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:20:58,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:20:58,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:20:58,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:20:58,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:20:58,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:20:58,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:20:58,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:20:58,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:20:58,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:20:58,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:20:58,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:20:58,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:20:58,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:20:58,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:20:58,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:20:58,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:20:58,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:20:58,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:20:58,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 10:20:58,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:20:58,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:20:58,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:20:58,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:20:58,487 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:20:58,487 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:20:58,487 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:20:58,488 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:20:58,488 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:20:58,488 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:20:58,488 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:20:58,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:20:58,488 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:20:58,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:20:58,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:20:58,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:20:58,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:20:58,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:20:58,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:20:58,489 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:20:58,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:20:58,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:20:58,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:20:58,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:20:58,490 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:20:58,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:20:58,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:20:58,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:20:58,490 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:20:58,491 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:20:58,491 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/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 -> 4401d2928f3fda81d6bafd7bed67698eedceeb36 [2019-12-07 10:20:58,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:20:58,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:20:58,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:20:58,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:20:58,601 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:20:58,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2019-12-07 10:20:58,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/data/2ddf67175/e9f5e17822f74c7080e6a68ccf84b1ca/FLAGf8d643f91 [2019-12-07 10:20:59,140 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:20:59,140 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2019-12-07 10:20:59,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/data/2ddf67175/e9f5e17822f74c7080e6a68ccf84b1ca/FLAGf8d643f91 [2019-12-07 10:20:59,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/data/2ddf67175/e9f5e17822f74c7080e6a68ccf84b1ca [2019-12-07 10:20:59,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:20:59,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:20:59,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:59,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:20:59,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:20:59,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:20:59,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443dd33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59, skipping insertion in model container [2019-12-07 10:20:59,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:20:59,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:20:59,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:20:59,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:59,911 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:20:59,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:59,989 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:20:59,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59 WrapperNode [2019-12-07 10:20:59,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:59,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:59,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:20:59,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:20:59,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:21:00,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:21:00,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:21:00,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:21:00,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... [2019-12-07 10:21:00,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:21:00,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:21:00,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:21:00,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:21:00,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/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 [2019-12-07 10:21:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:21:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:21:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:21:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:21:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:21:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:21:00,208 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:21:00,209 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 10:21:00,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:21:00 BoogieIcfgContainer [2019-12-07 10:21:00,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:21:00,210 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:21:00,210 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:21:00,212 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:21:00,212 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:21:00,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:20:59" (1/3) ... [2019-12-07 10:21:00,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4305b788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:21:00, skipping insertion in model container [2019-12-07 10:21:00,213 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:21:00,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:59" (2/3) ... [2019-12-07 10:21:00,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4305b788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:21:00, skipping insertion in model container [2019-12-07 10:21:00,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:21:00,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:21:00" (3/3) ... [2019-12-07 10:21:00,215 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy_mixed_alloca.i [2019-12-07 10:21:00,242 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:21:00,242 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:21:00,242 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:21:00,243 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:21:00,243 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:21:00,243 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:21:00,243 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:21:00,243 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:21:00,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 10:21:00,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:21:00,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:21:00,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:21:00,270 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 10:21:00,270 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:21:00,270 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:21:00,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 10:21:00,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:21:00,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:21:00,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:21:00,272 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 10:21:00,272 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:21:00,277 INFO L794 eck$LassoCheckResult]: Stem: 5#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); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(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.allocOnStack(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);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~length1~0 - 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 [2019-12-07 10:21:00,277 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, cstrcpy_#t~post205.offset - 1;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~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset; 7#L368-3true [2019-12-07 10:21:00,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:21:00,281 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-12-07 10:21:00,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:21:00,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072277392] [2019-12-07 10:21:00,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:21:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:21:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:21:00,387 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:21:00,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:21:00,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2019-12-07 10:21:00,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:21:00,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199332844] [2019-12-07 10:21:00,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:21:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:21:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:21:00,403 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:21:00,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:21:00,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2019-12-07 10:21:00,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:21:00,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767023539] [2019-12-07 10:21:00,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:21:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:21:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:21:00,449 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:21:00,730 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-12-07 10:21:00,807 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:21:00,807 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:21:00,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:21:00,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:21:00,808 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:21:00,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:00,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:21:00,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:21:00,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_mixed_alloca.i_Iteration1_Lasso [2019-12-07 10:21:00,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:21:00,808 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:21:00,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:00,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:01,047 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-12-07 10:21:01,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:01,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:01,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:01,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:21:01,486 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:21:01,489 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/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 [2019-12-07 10:21:01,493 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 [2019-12-07 10:21:01,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:21:01,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:21:01,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:21:01,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/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 [2019-12-07 10:21:01,504 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 [2019-12-07 10:21:01,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:21:01,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:21:01,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:21:01,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/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 [2019-12-07 10:21:01,512 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 [2019-12-07 10:21:01,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:21:01,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:21:01,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/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 [2019-12-07 10:21:01,522 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 [2019-12-07 10:21:01,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:21:01,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:21:01,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:21:01,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,530 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 [2019-12-07 10:21:01,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:21:01,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:21:01,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:21:01,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,537 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 [2019-12-07 10:21:01,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:21:01,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:21:01,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/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 [2019-12-07 10:21:01,547 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 [2019-12-07 10:21:01,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:21:01,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:21:01,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:21:01,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,553 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 [2019-12-07 10:21:01,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:21:01,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:21:01,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:21:01,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,561 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 [2019-12-07 10:21:01,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:21:01,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:21:01,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:21:01,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,569 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 [2019-12-07 10:21:01,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:21:01,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:21:01,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:21:01,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,577 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 [2019-12-07 10:21:01,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:21:01,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:21:01,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,591 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 [2019-12-07 10:21:01,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:21:01,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:21:01,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,602 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 [2019-12-07 10:21:01,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:21:01,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:21:01,611 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,615 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 [2019-12-07 10:21:01,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:21:01,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:21:01,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,624 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 [2019-12-07 10:21:01,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:21:01,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:21:01,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:21:01,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:21:01,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:21:01,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:21:01,658 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:21:01,695 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 10:21:01,695 INFO L444 ModelExtractionUtils]: 34 out of 52 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78aa3a32-8521-4cb0-90bd-313fe05249dd/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:21:01,700 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:21:01,703 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:21:01,703 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:21:01,704 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0.offset, v_rep(select #length ULTIMATE.start_cstrcpy_~src~0.base)_1) = -1*ULTIMATE.start_cstrcpy_~src~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrcpy_~src~0.base)_1 Supporting invariants [] [2019-12-07 10:21:01,740 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2019-12-07 10:21:01,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 10:21:01,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:21:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:21:01,776 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:21:01,777 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:21:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:21:01,789 INFO L264 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:21:01,789 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:21:01,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:21:01,816 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 [2019-12-07 10:21:01,817 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-12-07 10:21:01,842 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2019-12-07 10:21:01,843 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 [2019-12-07 10:21:01,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:21:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-12-07 10:21:01,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 10:21:01,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:21:01,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 10:21:01,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:21:01,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 10:21:01,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:21:01,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-12-07 10:21:01,850 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:21:01,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-12-07 10:21:01,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:21:01,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:21:01,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:21:01,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:21:01,853 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:21:01,853 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:21:01,853 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:21:01,853 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:21:01,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:21:01,854 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:21:01,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:21:01,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:21:01 BoogieIcfgContainer [2019-12-07 10:21:01,859 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:21:01,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:21:01,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:21:01,860 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:21:01,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:21:00" (3/4) ... [2019-12-07 10:21:01,863 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:21:01,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:21:01,864 INFO L168 Benchmark]: Toolchain (without parser) took 2238.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 942.4 MB in the beginning and 925.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:01,864 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:21:01,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:01,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:21:01,866 INFO L168 Benchmark]: Boogie Preprocessor took 15.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:01,866 INFO L168 Benchmark]: RCFGBuilder took 174.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:01,867 INFO L168 Benchmark]: BuchiAutomizer took 1649.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 925.3 MB in the end (delta: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:21:01,867 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 1.1 GB. Free memory is still 925.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:21:01,870 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 174.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1649.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 925.3 MB in the end (delta: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 ms. Allocated memory is still 1.1 GB. Free memory is still 925.3 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[src] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital207 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp50 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...