./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 32bit --witnessprinter.graph.data.programhash 83897956e392064e8b9522b11a8bf4c25fb2a6e3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:56:01,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:56:01,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:56:01,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:56:01,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:56:01,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:56:01,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:56:01,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:56:01,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:56:01,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:56:01,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:56:01,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:56:01,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:56:01,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:56:01,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:56:01,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:56:01,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:56:01,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:56:01,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:56:01,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:56:01,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:56:01,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:56:01,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:56:01,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:56:01,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:56:01,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:56:01,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:56:01,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:56:01,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:56:01,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:56:01,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:56:01,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:56:01,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:56:01,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:56:01,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:56:01,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:56:01,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:56:01,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:56:01,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:56:01,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:56:01,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:56:01,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:56:01,520 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:56:01,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:56:01,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:56:01,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:56:01,523 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:56:01,523 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:56:01,523 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:56:01,523 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:56:01,524 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:56:01,524 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:56:01,525 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:56:01,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:56:01,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:56:01,525 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:56:01,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:56:01,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:56:01,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:56:01,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:56:01,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:56:01,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:56:01,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:56:01,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:56:01,527 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:56:01,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:56:01,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:56:01,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:56:01,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:56:01,528 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:56:01,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:56:01,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:56:01,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:56:01,529 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:56:01,530 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:56:01,531 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83897956e392064e8b9522b11a8bf4c25fb2a6e3 [2020-11-29 23:56:01,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:56:01,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:56:01,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:56:01,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:56:01,846 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:56:01,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2020-11-29 23:56:01,928 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/data/80d62d54b/0b078997fd3644489c18478601d9372f/FLAG10b51cec5 [2020-11-29 23:56:02,557 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:56:02,558 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2020-11-29 23:56:02,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/data/80d62d54b/0b078997fd3644489c18478601d9372f/FLAG10b51cec5 [2020-11-29 23:56:02,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/data/80d62d54b/0b078997fd3644489c18478601d9372f [2020-11-29 23:56:02,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:56:02,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:56:02,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:02,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:56:02,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:56:02,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:02" (1/1) ... [2020-11-29 23:56:02,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da66f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:02, skipping insertion in model container [2020-11-29 23:56:02,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:02" (1/1) ... [2020-11-29 23:56:02,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:56:02,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:56:03,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:03,289 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:56:03,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:03,425 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:56:03,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03 WrapperNode [2020-11-29 23:56:03,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:03,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:03,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:56:03,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:56:03,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:03,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:56:03,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:56:03,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:56:03,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... [2020-11-29 23:56:03,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:56:03,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:56:03,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:56:03,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:56:03,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 23:56:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 23:56:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:56:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:56:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:56:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:56:04,044 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:56:04,044 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 23:56:04,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:04 BoogieIcfgContainer [2020-11-29 23:56:04,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:56:04,048 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:56:04,048 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:56:04,051 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:56:04,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:56:04,053 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:56:02" (1/3) ... [2020-11-29 23:56:04,054 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63b14387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:56:04, skipping insertion in model container [2020-11-29 23:56:04,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:56:04,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:03" (2/3) ... [2020-11-29 23:56:04,055 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63b14387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:56:04, skipping insertion in model container [2020-11-29 23:56:04,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:56:04,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:04" (3/3) ... [2020-11-29 23:56:04,058 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-1.i [2020-11-29 23:56:04,119 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:56:04,119 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:56:04,120 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:56:04,120 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:56:04,120 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:56:04,120 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:56:04,120 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:56:04,120 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:56:04,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-29 23:56:04,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-29 23:56:04,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:56:04,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:56:04,162 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 23:56:04,162 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 23:56:04,163 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:56:04,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-29 23:56:04,166 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-29 23:56:04,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:56:04,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:56:04,167 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 23:56:04,167 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 23:56:04,174 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 4#L525true assume !(main_~length1~0 < 1); 6#L525-2true assume !(main_~length2~0 < 1); 17#L528-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 9#L535-3true [2020-11-29 23:56:04,175 INFO L796 eck$LassoCheckResult]: Loop: 9#L535-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 7#L535-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 9#L535-3true [2020-11-29 23:56:04,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:04,183 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-11-29 23:56:04,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:04,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238179696] [2020-11-29 23:56:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:04,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:04,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:04,379 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:04,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:04,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2020-11-29 23:56:04,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:04,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767735880] [2020-11-29 23:56:04,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:04,413 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:04,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:04,421 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:04,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:04,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2020-11-29 23:56:04,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:04,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758913864] [2020-11-29 23:56:04,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:04,483 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:04,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:04,515 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:04,812 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-29 23:56:04,914 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:56:04,916 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:56:04,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:56:04,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:56:04,917 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:56:04,917 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:04,917 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:56:04,917 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:56:04,918 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration1_Lasso [2020-11-29 23:56:04,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:56:04,918 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:56:04,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:04,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:04,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:04,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:04,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:04,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:04,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:04,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:05,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:05,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:05,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:05,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:05,205 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-11-29 23:56:05,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:05,643 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:56:05,647 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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) [2020-11-29 23:56:05,672 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 [2020-11-29 23:56:05,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:05,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:05,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:05,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:05,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:05,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:05,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:05,737 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 [2020-11-29 23:56:05,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:05,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:05,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:05,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:05,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:05,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:05,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:05,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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) [2020-11-29 23:56:05,789 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 [2020-11-29 23:56:05,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:05,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:05,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:05,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:05,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:05,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:05,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:05,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:05,842 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 [2020-11-29 23:56:05,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:05,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:05,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:05,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:05,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:05,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:05,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:05,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:05,880 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 [2020-11-29 23:56:05,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:05,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:05,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:05,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:05,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:05,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:05,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:05,920 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 [2020-11-29 23:56:05,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:05,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:05,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:05,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:05,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:05,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:05,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:05,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:05,949 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 [2020-11-29 23:56:05,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:05,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:05,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:05,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:05,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:05,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:05,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:06,005 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 [2020-11-29 23:56:06,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:06,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:06,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:06,055 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 [2020-11-29 23:56:06,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:06,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:06,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:06,101 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 [2020-11-29 23:56:06,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:06,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:06,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:06,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:06,127 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 [2020-11-29 23:56:06,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:06,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:06,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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) [2020-11-29 23:56:06,197 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 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:06,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:06,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:06,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:06,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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) [2020-11-29 23:56:06,269 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 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:06,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:06,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:06,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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) [2020-11-29 23:56:06,333 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 [2020-11-29 23:56:06,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:06,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:06,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:06,383 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 [2020-11-29 23:56:06,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:06,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:06,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/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 [2020-11-29 23:56:06,452 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 [2020-11-29 23:56:06,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:06,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:06,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:06,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:06,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:06,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:06,490 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:56:06,680 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-29 23:56:06,680 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:56:06,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:06,690 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 23:56:06,690 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:56:06,691 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2020-11-29 23:56:06,753 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2020-11-29 23:56:06,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:06,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:56:06,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:06,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:56:06,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:06,864 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 [2020-11-29 23:56:06,865 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2020-11-29 23:56:06,922 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 36 states and 47 transitions. Complement of second has 7 states. [2020-11-29 23:56:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 23:56:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 23:56:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2020-11-29 23:56:06,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-29 23:56:06,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:06,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-29 23:56:06,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:06,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 4 letters. [2020-11-29 23:56:06,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:06,940 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2020-11-29 23:56:06,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 23:56:06,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 11 states and 15 transitions. [2020-11-29 23:56:06,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-29 23:56:06,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-29 23:56:06,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2020-11-29 23:56:06,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:56:06,954 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-11-29 23:56:06,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2020-11-29 23:56:06,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-29 23:56:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-29 23:56:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2020-11-29 23:56:06,983 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-11-29 23:56:06,983 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-11-29 23:56:06,984 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:56:06,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2020-11-29 23:56:06,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 23:56:06,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:56:06,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:56:06,987 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:06,987 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 23:56:06,988 INFO L794 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 127#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 128#L525 assume !(main_~length1~0 < 1); 132#L525-2 assume !(main_~length2~0 < 1); 133#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 123#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 124#L535-4 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~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 129#L518-3 [2020-11-29 23:56:06,989 INFO L796 eck$LassoCheckResult]: Loop: 129#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 130#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset; 129#L518-3 [2020-11-29 23:56:06,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:06,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2020-11-29 23:56:06,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:06,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022417164] [2020-11-29 23:56:06,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,027 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,062 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:07,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:07,066 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 1 times [2020-11-29 23:56:07,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:07,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112485318] [2020-11-29 23:56:07,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,083 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,102 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:07,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:07,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1302201911, now seen corresponding path program 1 times [2020-11-29 23:56:07,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:07,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303345355] [2020-11-29 23:56:07,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:07,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303345355] [2020-11-29 23:56:07,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:07,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 23:56:07,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655088882] [2020-11-29 23:56:07,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:07,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 23:56:07,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 23:56:07,480 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 7 states. [2020-11-29 23:56:07,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:07,594 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2020-11-29 23:56:07,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 23:56:07,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2020-11-29 23:56:07,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 23:56:07,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 15 transitions. [2020-11-29 23:56:07,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-29 23:56:07,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-29 23:56:07,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2020-11-29 23:56:07,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:56:07,597 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-29 23:56:07,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2020-11-29 23:56:07,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-11-29 23:56:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-29 23:56:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2020-11-29 23:56:07,599 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-11-29 23:56:07,599 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-11-29 23:56:07,599 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 23:56:07,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2020-11-29 23:56:07,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 23:56:07,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:56:07,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:56:07,601 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:07,601 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 23:56:07,601 INFO L794 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 167#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 168#L525 assume !(main_~length1~0 < 1); 176#L525-2 assume !(main_~length2~0 < 1); 177#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 169#L535-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 170#L535-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 171#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 172#L535-4 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~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 174#L518-3 [2020-11-29 23:56:07,601 INFO L796 eck$LassoCheckResult]: Loop: 174#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 175#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset; 174#L518-3 [2020-11-29 23:56:07,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:07,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2020-11-29 23:56:07,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:07,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396367414] [2020-11-29 23:56:07,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,641 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,648 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:07,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:07,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 2 times [2020-11-29 23:56:07,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:07,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806912064] [2020-11-29 23:56:07,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,669 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,677 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,680 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:07,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:07,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1633721881, now seen corresponding path program 1 times [2020-11-29 23:56:07,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:07,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073757632] [2020-11-29 23:56:07,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:07,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:07,752 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:07,872 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-11-29 23:56:08,358 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2020-11-29 23:56:08,550 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-29 23:56:08,554 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:56:08,554 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:56:08,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:56:08,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:56:08,554 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:56:08,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:08,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:56:08,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:56:08,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration3_Lasso [2020-11-29 23:56:08,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:56:08,555 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:56:08,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:08,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:09,025 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-11-29 23:56:09,184 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-29 23:56:09,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:56:09,502 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-11-29 23:56:10,001 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:56:10,002 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,013 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 [2020-11-29 23:56:10,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,041 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 [2020-11-29 23:56:10,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,069 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 [2020-11-29 23:56:10,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:56:10,106 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 [2020-11-29 23:56:10,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,141 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 [2020-11-29 23:56:10,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:56:10,170 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 [2020-11-29 23:56:10,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:10,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,199 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 [2020-11-29 23:56:10,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:10,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:10,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:56:10,258 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 [2020-11-29 23:56:10,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:56:10,301 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 [2020-11-29 23:56:10,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,336 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 [2020-11-29 23:56:10,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,362 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 [2020-11-29 23:56:10,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,388 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 [2020-11-29 23:56:10,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,414 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 [2020-11-29 23:56:10,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:10,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:10,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,462 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 [2020-11-29 23:56:10,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,487 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 [2020-11-29 23:56:10,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,512 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 [2020-11-29 23:56:10,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,537 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 [2020-11-29 23:56:10,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:10,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:10,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,565 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 [2020-11-29 23:56:10,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:10,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:10,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:10,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:56:10,600 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 [2020-11-29 23:56:10,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:10,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:10,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,640 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 [2020-11-29 23:56:10,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:10,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:10,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:10,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:10,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:10,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:10,705 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:56:10,747 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-11-29 23:56:10,748 INFO L444 ModelExtractionUtils]: 15 out of 55 variables were initially zero. Simplification set additionally 37 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3157b4ef-74e9-4c66-aee7-b12ffc6f1108/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:10,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 23:56:10,752 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 23:56:10,753 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:56:10,753 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2) = -1*ULTIMATE.start_cstrcpy_~dst~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2 Supporting invariants [] [2020-11-29 23:56:10,822 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2020-11-29 23:56:10,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 23:56:10,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:10,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 23:56:10,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:10,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:56:10,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:10,973 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-29 23:56:10,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-29 23:56:11,007 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 13 states and 16 transitions. Complement of second has 5 states. [2020-11-29 23:56:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 23:56:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 23:56:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-11-29 23:56:11,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-29 23:56:11,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:11,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2020-11-29 23:56:11,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:11,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2020-11-29 23:56:11,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:11,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2020-11-29 23:56:11,010 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:56:11,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2020-11-29 23:56:11,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 23:56:11,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 23:56:11,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 23:56:11,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:56:11,011 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:56:11,011 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:56:11,011 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:56:11,011 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 23:56:11,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:56:11,011 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:56:11,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 23:56:11,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:56:11 BoogieIcfgContainer [2020-11-29 23:56:11,016 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:56:11,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:56:11,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:56:11,017 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:56:11,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:04" (3/4) ... [2020-11-29 23:56:11,020 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 23:56:11,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:56:11,021 INFO L168 Benchmark]: Toolchain (without parser) took 8165.07 ms. Allocated memory was 146.8 MB in the beginning and 192.9 MB in the end (delta: 46.1 MB). Free memory was 117.6 MB in the beginning and 126.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:11,022 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 81.8 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:11,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.95 ms. Allocated memory is still 146.8 MB. Free memory was 117.2 MB in the beginning and 113.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:11,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.43 ms. Allocated memory is still 146.8 MB. Free memory was 113.5 MB in the beginning and 111.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:11,023 INFO L168 Benchmark]: Boogie Preprocessor took 56.67 ms. Allocated memory is still 146.8 MB. Free memory was 111.8 MB in the beginning and 110.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:11,023 INFO L168 Benchmark]: RCFGBuilder took 495.33 ms. Allocated memory is still 146.8 MB. Free memory was 110.6 MB in the beginning and 95.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:11,024 INFO L168 Benchmark]: BuchiAutomizer took 6968.79 ms. Allocated memory was 146.8 MB in the beginning and 192.9 MB in the end (delta: 46.1 MB). Free memory was 95.0 MB in the beginning and 126.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:11,024 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 192.9 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:11,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 81.8 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 571.95 ms. Allocated memory is still 146.8 MB. Free memory was 117.2 MB in the beginning and 113.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.43 ms. Allocated memory is still 146.8 MB. Free memory was 113.5 MB in the beginning and 111.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.67 ms. Allocated memory is still 146.8 MB. Free memory was 111.8 MB in the beginning and 110.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 495.33 ms. Allocated memory is still 146.8 MB. Free memory was 110.6 MB in the beginning and 95.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6968.79 ms. Allocated memory was 146.8 MB in the beginning and 192.9 MB in the end (delta: 46.1 MB). Free memory was 95.0 MB in the beginning and 126.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.41 ms. Allocated memory is still 192.9 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 16.1 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 5 locations. One deterministic module has affine ranking function -1 * dst + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 35 SDtfs, 42 SDslu, 40 SDs, 0 SdLazy, 45 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax111 hnf98 lsp84 ukn81 mio100 lsp55 div100 bol100 ite100 ukn100 eq180 hnf89 smp99 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 2 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...