./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/css2003.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_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/css2003.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/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 f86f1d97a8eea81a810b00eedf9f945dcb9155ec .............................................................................................................................................................................................................................................................................................................................................................................. 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 19:19:30,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:19:30,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:19:30,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:19:30,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:19:30,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:19:30,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:19:30,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:19:30,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:19:30,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:19:30,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:19:30,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:19:30,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:19:30,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:19:30,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:19:30,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:19:30,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:19:30,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:19:30,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:19:30,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:19:30,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:19:30,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:19:30,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:19:30,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:19:30,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:19:30,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:19:30,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:19:30,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:19:30,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:19:30,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:19:30,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:19:30,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:19:30,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:19:30,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:19:30,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:19:30,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:19:30,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:19:30,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:19:30,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:19:30,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:19:30,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:19:30,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:19:30,627 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:19:30,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:19:30,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:19:30,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:19:30,632 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:19:30,632 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:19:30,633 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:19:30,633 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:19:30,634 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:19:30,634 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:19:30,635 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:19:30,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:19:30,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:19:30,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:19:30,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:19:30,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:19:30,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:19:30,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:19:30,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:19:30,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:19:30,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:19:30,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:19:30,640 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:19:30,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:19:30,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:19:30,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:19:30,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:19:30,642 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:19:30,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:19:30,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:19:30,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:19:30,646 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:19:30,647 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:19:30,648 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_2e67f310-a8df-43a6-800a-8ed51d4db574/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f86f1d97a8eea81a810b00eedf9f945dcb9155ec [2020-11-29 19:19:31,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:19:31,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:19:31,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:19:31,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:19:31,096 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:19:31,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/../../sv-benchmarks/c/loop-lit/css2003.i [2020-11-29 19:19:31,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/data/49f8e9f00/491a70903ad5486ea9dde28079e2ba92/FLAGd6f55f5b8 [2020-11-29 19:19:31,896 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:19:31,897 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/sv-benchmarks/c/loop-lit/css2003.i [2020-11-29 19:19:31,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/data/49f8e9f00/491a70903ad5486ea9dde28079e2ba92/FLAGd6f55f5b8 [2020-11-29 19:19:32,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/bin/uautomizer/data/49f8e9f00/491a70903ad5486ea9dde28079e2ba92 [2020-11-29 19:19:32,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:19:32,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:19:32,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:19:32,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:19:32,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:19:32,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41eaa406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32, skipping insertion in model container [2020-11-29 19:19:32,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:19:32,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:19:32,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:19:32,603 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:19:32,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:19:32,645 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:19:32,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32 WrapperNode [2020-11-29 19:19:32,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:19:32,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:19:32,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:19:32,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:19:32,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:19:32,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:19:32,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:19:32,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:19:32,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... [2020-11-29 19:19:32,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:19:32,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:19:32,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:19:32,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:19:32,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/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 19:19:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:19:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:19:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:19:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:19:33,312 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:19:33,315 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:19:33,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:19:33 BoogieIcfgContainer [2020-11-29 19:19:33,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:19:33,318 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:19:33,318 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:19:33,323 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:19:33,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:19:33,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:19:32" (1/3) ... [2020-11-29 19:19:33,326 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64d672e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:19:33, skipping insertion in model container [2020-11-29 19:19:33,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:19:33,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:32" (2/3) ... [2020-11-29 19:19:33,327 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64d672e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:19:33, skipping insertion in model container [2020-11-29 19:19:33,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:19:33,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:19:33" (3/3) ... [2020-11-29 19:19:33,329 INFO L373 chiAutomizerObserver]: Analyzing ICFG css2003.i [2020-11-29 19:19:33,428 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:19:33,428 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:19:33,429 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:19:33,429 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:19:33,429 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:19:33,429 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:19:33,429 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:19:33,429 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:19:33,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 19:19:33,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-29 19:19:33,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:19:33,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:19:33,480 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 19:19:33,480 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 19:19:33,480 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:19:33,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 19:19:33,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-29 19:19:33,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:19:33,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:19:33,484 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 19:19:33,484 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 19:19:33,493 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 3#L-1true havoc main_#res;havoc main_#t~nondet3, main_~i~0, main_~j~0, main_~k~0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;main_~i~0 := 1;main_~j~0 := 1;main_~k~0 := main_#t~nondet3;havoc main_#t~nondet3; 11#L29true assume !!(0 <= main_~k~0 && main_~k~0 <= 1); 6#L18-2true [2020-11-29 19:19:33,494 INFO L796 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(main_~i~0 < 1000000);main_~i~0 := 1 + main_~i~0;main_~j~0 := main_~j~0 + main_~k~0;main_~k~0 := main_~k~0 - 1;__VERIFIER_assert_#in~cond := (if (1 <= main_~i~0 + main_~k~0 && main_~i~0 + main_~k~0 <= 2) && main_~i~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 10#L18true assume !(0 == __VERIFIER_assert_~cond); 6#L18-2true [2020-11-29 19:19:33,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:33,504 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-29 19:19:33,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:33,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316276115] [2020-11-29 19:19:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:19:33,672 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:19:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:19:33,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:19:33,745 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:19:33,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:33,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1487, now seen corresponding path program 1 times [2020-11-29 19:19:33,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:33,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383895625] [2020-11-29 19:19:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:19:33,780 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:19:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:19:33,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:19:33,808 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:19:33,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:33,825 INFO L82 PathProgramCache]: Analyzing trace with hash 28695986, now seen corresponding path program 1 times [2020-11-29 19:19:33,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:33,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550406679] [2020-11-29 19:19:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:19:33,883 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:19:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:19:33,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:19:33,961 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:19:34,209 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2020-11-29 19:19:34,224 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:19:34,225 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:19:34,225 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:19:34,226 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:19:34,226 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 19:19:34,226 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:19:34,226 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:19:34,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:19:34,227 INFO L133 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2020-11-29 19:19:34,227 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:19:34,228 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:19:34,253 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 19:19:34,269 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 19:19:34,469 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:19:34,470 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/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 19:19:34,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:19:34,483 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:19:34,496 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:19:34,497 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/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) [2020-11-29 19:19:34,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:19:34,553 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/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 19:19:34,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 19:19:34,616 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:19:34,679 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 19:19:34,682 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:19:34,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:19:34,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:19:34,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:19:34,683 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:19:34,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:19:34,683 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:19:34,683 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:19:34,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2020-11-29 19:19:34,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:19:34,684 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:19:34,686 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 19:19:34,731 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 19:19:34,923 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:19:34,928 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/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) [2020-11-29 19:19:34,938 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 19:19:34,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:19:34,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:19:34,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:19:34,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:19:34,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:19:34,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:19:34,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:19:34,955 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:19:34,965 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 19:19:34,965 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e67f310-a8df-43a6-800a-8ed51d4db574/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) [2020-11-29 19:19:34,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 19:19:34,980 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 19:19:34,980 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:19:34,981 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:19:35,011 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 19:19:35,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:35,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:19:35,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:19:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:35,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:19:35,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:19:35,178 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 19:19:35,199 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 19:19:35,201 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-11-29 19:19:35,249 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 32 states and 41 transitions. Complement of second has 5 states. [2020-11-29 19:19:35,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 19:19:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 19:19:35,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2020-11-29 19:19:35,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-29 19:19:35,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:19:35,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-29 19:19:35,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:19:35,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 3 letters. Loop has 4 letters. [2020-11-29 19:19:35,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:19:35,258 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2020-11-29 19:19:35,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:19:35,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2020-11-29 19:19:35,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 19:19:35,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 19:19:35,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 19:19:35,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:19:35,268 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:19:35,268 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:19:35,268 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:19:35,268 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:19:35,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:19:35,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:19:35,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 19:19:35,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:19:35 BoogieIcfgContainer [2020-11-29 19:19:35,275 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:19:35,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:19:35,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:19:35,276 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:19:35,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:19:33" (3/4) ... [2020-11-29 19:19:35,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:19:35,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:19:35,286 INFO L168 Benchmark]: Toolchain (without parser) took 3013.69 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 62.4 MB in the beginning and 83.0 MB in the end (delta: -20.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:35,287 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 92.3 MB. Free memory was 48.0 MB in the beginning and 48.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:19:35,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.49 ms. Allocated memory is still 92.3 MB. Free memory was 62.2 MB in the beginning and 69.8 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:35,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.22 ms. Allocated memory is still 92.3 MB. Free memory was 69.8 MB in the beginning and 68.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:35,289 INFO L168 Benchmark]: Boogie Preprocessor took 37.10 ms. Allocated memory is still 92.3 MB. Free memory was 68.4 MB in the beginning and 67.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:19:35,290 INFO L168 Benchmark]: RCFGBuilder took 585.31 ms. Allocated memory is still 92.3 MB. Free memory was 67.3 MB in the beginning and 56.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:35,291 INFO L168 Benchmark]: BuchiAutomizer took 1957.34 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 56.9 MB in the beginning and 83.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:35,292 INFO L168 Benchmark]: Witness Printer took 7.71 ms. Allocated memory is still 130.0 MB. Free memory was 83.6 MB in the beginning and 83.0 MB in the end (delta: 571.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:19:35,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 92.3 MB. Free memory was 48.0 MB in the beginning and 48.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 370.49 ms. Allocated memory is still 92.3 MB. Free memory was 62.2 MB in the beginning and 69.8 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.22 ms. Allocated memory is still 92.3 MB. Free memory was 69.8 MB in the beginning and 68.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.10 ms. Allocated memory is still 92.3 MB. Free memory was 68.4 MB in the beginning and 67.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 585.31 ms. Allocated memory is still 92.3 MB. Free memory was 67.3 MB in the beginning and 56.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1957.34 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 56.9 MB in the beginning and 83.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Witness Printer took 7.71 ms. Allocated memory is still 130.0 MB. Free memory was 83.6 MB in the beginning and 83.0 MB in the end (delta: 571.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1999999 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 12 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital39 mio100 ax100 hnf100 lsp84 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf104 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 50ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...