./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atoll.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atoll.i -s /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 86eb0e10277d06bf60185a7625eb0520bf1ea9c8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:56:17,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:56:17,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:56:17,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:56:17,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:56:17,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:56:17,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:56:17,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:56:17,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:56:17,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:56:17,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:56:17,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:56:17,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:56:17,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:56:17,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:56:17,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:56:17,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:56:17,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:56:17,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:56:17,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:56:17,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:56:17,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:56:17,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:56:17,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:56:17,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:56:17,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:56:17,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:56:17,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:56:17,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:56:17,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:56:17,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:56:17,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:56:17,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:56:17,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:56:17,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:56:17,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:56:17,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:56:17,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:56:17,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:56:17,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:56:17,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:56:17,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 23:56:17,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:56:17,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:56:17,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:56:17,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:56:17,525 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:56:17,525 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:56:17,525 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:56:17,525 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:56:17,526 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:56:17,526 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:56:17,527 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:56:17,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:56:17,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:56:17,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:56:17,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:56:17,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:56:17,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:56:17,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:56:17,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:56:17,529 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:56:17,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:56:17,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:56:17,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:56:17,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:56:17,531 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:56:17,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:56:17,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:56:17,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:56:17,532 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:56:17,533 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:56:17,533 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_069506ee-21c6-4879-ae4b-ac1dfe84c504/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86eb0e10277d06bf60185a7625eb0520bf1ea9c8 [2020-11-29 23:56:17,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:56:17,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:56:17,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:56:17,849 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:56:17,850 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:56:17,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/../../sv-benchmarks/c/termination-dietlibc/atoll.i [2020-11-29 23:56:17,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/data/9852a1850/f9e049a31621440088afec7bfba42804/FLAG0f180a27b [2020-11-29 23:56:18,531 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:56:18,531 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/sv-benchmarks/c/termination-dietlibc/atoll.i [2020-11-29 23:56:18,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/data/9852a1850/f9e049a31621440088afec7bfba42804/FLAG0f180a27b [2020-11-29 23:56:18,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/data/9852a1850/f9e049a31621440088afec7bfba42804 [2020-11-29 23:56:18,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:56:18,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:56:18,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:18,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:56:18,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:56:18,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:18" (1/1) ... [2020-11-29 23:56:18,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cd6723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:18, skipping insertion in model container [2020-11-29 23:56:18,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:18" (1/1) ... [2020-11-29 23:56:18,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:56:18,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:56:19,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:19,292 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:56:19,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:19,416 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:56:19,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19 WrapperNode [2020-11-29 23:56:19,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:19,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:19,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:56:19,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:56:19,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:19,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:56:19,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:56:19,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:56:19,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... [2020-11-29 23:56:19,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:56:19,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:56:19,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:56:19,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:56:19,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 23:56:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 23:56:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:56:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:56:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:56:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:56:19,994 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:56:19,995 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 23:56:19,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:19 BoogieIcfgContainer [2020-11-29 23:56:19,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:56:19,997 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:56:19,998 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:56:20,000 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:56:20,001 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:56:20,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:56:18" (1/3) ... [2020-11-29 23:56:20,002 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5063f1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:56:20, skipping insertion in model container [2020-11-29 23:56:20,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:56:20,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:19" (2/3) ... [2020-11-29 23:56:20,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5063f1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:56:20, skipping insertion in model container [2020-11-29 23:56:20,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:56:20,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:19" (3/3) ... [2020-11-29 23:56:20,005 INFO L373 chiAutomizerObserver]: Analyzing ICFG atoll.i [2020-11-29 23:56:20,069 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:56:20,069 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:56:20,070 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:56:20,070 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:56:20,070 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:56:20,070 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:56:20,070 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:56:20,071 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:56:20,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-11-29 23:56:20,103 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-11-29 23:56:20,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:56:20,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:56:20,110 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 23:56:20,110 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 23:56:20,110 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:56:20,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-11-29 23:56:20,112 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-11-29 23:56:20,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:56:20,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:56:20,113 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 23:56:20,113 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 23:56:20,121 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atoll_#in~s.base, atoll_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atoll_#res;havoc atoll_#t~pre3.base, atoll_#t~pre3.offset, atoll_#t~mem2, atoll_#t~mem4, atoll_#t~switch5, atoll_#t~pre6.base, atoll_#t~pre6.offset, atoll_#t~mem10, atoll_#t~pre11.base, atoll_#t~pre11.offset, atoll_#t~mem7, atoll_#t~mem8, atoll_#t~short9, atoll_#t~ite12, atoll_~s.base, atoll_~s.offset, atoll_~v~0, atoll_~sign~0;atoll_~s.base, atoll_~s.offset := atoll_#in~s.base, atoll_#in~s.offset;atoll_~v~0 := 0;atoll_~sign~0 := 1; 21#L509-3true [2020-11-29 23:56:20,121 INFO L796 eck$LassoCheckResult]: Loop: 21#L509-3true call atoll_#t~mem2 := read~int(atoll_~s.base, atoll_~s.offset, 1); 17#L509-1true assume !!(32 == atoll_#t~mem2);havoc atoll_#t~mem2;atoll_#t~pre3.base, atoll_#t~pre3.offset := atoll_~s.base, 1 + atoll_~s.offset;atoll_~s.base, atoll_~s.offset := atoll_~s.base, 1 + atoll_~s.offset;havoc atoll_#t~pre3.base, atoll_#t~pre3.offset; 21#L509-3true [2020-11-29 23:56:20,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:20,127 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-29 23:56:20,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:20,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531652294] [2020-11-29 23:56:20,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:20,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:20,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:20,327 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:20,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:20,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2020-11-29 23:56:20,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:20,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288113381] [2020-11-29 23:56:20,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:20,356 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:20,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:20,377 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:20,381 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2020-11-29 23:56:20,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:20,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302565579] [2020-11-29 23:56:20,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:20,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:56:20,462 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:56:20,478 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:56:20,763 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-11-29 23:56:20,850 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:56:20,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:56:20,851 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:56:20,851 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:56:20,851 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:56:20,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:20,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:56:20,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:56:20,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoll.i_Iteration1_Lasso [2020-11-29 23:56:20,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:56:20,852 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:56:20,881 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 23:56:20,887 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 23:56:20,890 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 23:56:20,896 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 23:56:20,901 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 23:56:20,909 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 23:56:20,913 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 23:56:20,918 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 23:56:20,922 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 23:56:20,926 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 23:56:20,930 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 23:56:20,934 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 23:56:20,937 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 23:56:20,941 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 23:56:20,944 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 23:56:21,084 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-11-29 23:56:21,176 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 23:56:21,184 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 23:56:21,187 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 23:56:21,190 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 23:56:21,194 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 23:56:21,197 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 23:56:21,201 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 23:56:21,206 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 23:56:21,626 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:56:21,632 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:21,638 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 23:56:21,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:21,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:21,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:21,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:21,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:21,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:21,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:21,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:21,695 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 23:56:21,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:21,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:21,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:21,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:21,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:21,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:21,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:21,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:21,730 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 23:56:21,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:21,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:21,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:21,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:21,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:21,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:21,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:21,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:21,769 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 23:56:21,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:21,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:21,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:21,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:21,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:21,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:21,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:21,825 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 23:56:21,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:21,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:21,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:21,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:21,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:21,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:21,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:21,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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) [2020-11-29 23:56:21,872 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 23:56:21,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:21,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:21,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:21,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:21,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:21,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:21,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:21,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:21,913 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 23:56:21,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:21,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:21,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:21,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:21,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:21,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:21,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:21,971 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 23:56:21,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:21,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:21,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:21,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:21,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:21,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:21,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:22,016 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 23:56:22,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:22,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:22,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:22,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:22,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:22,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:22,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:22,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:22,052 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 23:56:22,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:22,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:22,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:22,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:22,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:22,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:22,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:22,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:22,084 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 23:56:22,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:22,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:22,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:22,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:22,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:22,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:22,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:22,145 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 23:56:22,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:22,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:22,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:22,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:22,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:22,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:22,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:22,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:22,191 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 23:56:22,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:22,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:22,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:22,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:22,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:22,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:22,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:22,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:22,219 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 23:56:22,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:22,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:56:22,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:22,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:22,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:22,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:56:22,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:56:22,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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 23:56:22,265 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 23:56:22,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:56:22,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:56:22,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:56:22,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:56:22,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:56:22,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:56:22,300 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:56:22,518 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-29 23:56:22,518 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_069506ee-21c6-4879-ae4b-ac1dfe84c504/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) [2020-11-29 23:56:22,523 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:56:22,527 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 23:56:22,527 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:56:22,528 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1, ULTIMATE.start_atoll_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 - 1*ULTIMATE.start_atoll_~s.offset Supporting invariants [] [2020-11-29 23:56:22,589 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 23:56:22,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 23:56:22,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:22,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 23:56:22,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:22,685 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 23:56:22,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:22,717 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 23:56:22,736 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 23:56:22,737 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2020-11-29 23:56:22,831 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 54 states and 76 transitions. Complement of second has 8 states. [2020-11-29 23:56:22,832 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 23:56:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 23:56:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-11-29 23:56:22,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-29 23:56:22,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:22,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-29 23:56:22,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:22,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 4 letters. [2020-11-29 23:56:22,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:56:22,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2020-11-29 23:56:22,843 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:56:22,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2020-11-29 23:56:22,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 23:56:22,847 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 23:56:22,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 23:56:22,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:56:22,847 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:56:22,847 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:56:22,848 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:56:22,848 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:56:22,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:56:22,848 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:56:22,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 23:56:22,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:56:22 BoogieIcfgContainer [2020-11-29 23:56:22,854 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:56:22,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:56:22,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:56:22,854 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:56:22,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:19" (3/4) ... [2020-11-29 23:56:22,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 23:56:22,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:56:22,860 INFO L168 Benchmark]: Toolchain (without parser) took 4012.85 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 55.0 MB in the beginning and 75.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:22,860 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:22,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.90 ms. Allocated memory is still 88.1 MB. Free memory was 54.8 MB in the beginning and 55.0 MB in the end (delta: -182.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:22,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.04 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 53.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:22,862 INFO L168 Benchmark]: Boogie Preprocessor took 43.34 ms. Allocated memory is still 88.1 MB. Free memory was 53.3 MB in the beginning and 51.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:22,863 INFO L168 Benchmark]: RCFGBuilder took 464.62 ms. Allocated memory is still 88.1 MB. Free memory was 51.9 MB in the beginning and 36.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:22,864 INFO L168 Benchmark]: BuchiAutomizer took 2856.27 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 36.1 MB in the beginning and 75.7 MB in the end (delta: -39.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:22,864 INFO L168 Benchmark]: Witness Printer took 3.88 ms. Allocated memory is still 130.0 MB. Free memory is still 75.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:22,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.90 ms. Allocated memory is still 88.1 MB. Free memory was 54.8 MB in the beginning and 55.0 MB in the end (delta: -182.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.04 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 53.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.34 ms. Allocated memory is still 88.1 MB. Free memory was 53.3 MB in the beginning and 51.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 464.62 ms. Allocated memory is still 88.1 MB. Free memory was 51.9 MB in the beginning and 36.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2856.27 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 36.1 MB in the beginning and 75.7 MB in the end (delta: -39.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.88 ms. Allocated memory is still 130.0 MB. Free memory is still 75.7 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. 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: 17 SDtfs, 20 SDslu, 12 SDs, 0 SdLazy, 15 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax100 hnf100 lsp89 ukn91 mio100 lsp47 div100 bol100 ite100 ukn100 eq186 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...