./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-2.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_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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 67505ab4d8c5a0470c6c2902a08f5f9b7fa098ac ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:18:25,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:25,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:25,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:25,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:25,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:25,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:25,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:25,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:25,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:25,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:25,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:25,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:25,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:25,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:25,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:25,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:25,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:25,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:25,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:25,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:25,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:25,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:25,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:25,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:25,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:25,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:25,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:25,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:25,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:25,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:25,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:25,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:25,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:25,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:25,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:25,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:25,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:25,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:25,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:25,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:25,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:18:25,398 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:25,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:25,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:25,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:25,401 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:25,401 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:18:25,401 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:18:25,401 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:18:25,402 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:18:25,402 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:18:25,402 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:18:25,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:25,403 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:18:25,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:18:25,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:25,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:18:25,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:25,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:18:25,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:18:25,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:18:25,405 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:18:25,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:18:25,405 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:18:25,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:25,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:18:25,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:25,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:25,406 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:18:25,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:25,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:18:25,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:25,408 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:18:25,409 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:18:25,409 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_9420ec6b-5144-4553-94f0-45fb54a90587/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67505ab4d8c5a0470c6c2902a08f5f9b7fa098ac [2020-11-28 03:18:25,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:25,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:25,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:25,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:25,722 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:25,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_03-2.i [2020-11-28 03:18:25,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/data/b4422faba/b704e0f24a784f9fab99f27ac1c4c2c6/FLAG29d40824a [2020-11-28 03:18:26,308 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:26,308 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/sv-benchmarks/c/loops/terminator_03-2.i [2020-11-28 03:18:26,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/data/b4422faba/b704e0f24a784f9fab99f27ac1c4c2c6/FLAG29d40824a [2020-11-28 03:18:26,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/data/b4422faba/b704e0f24a784f9fab99f27ac1c4c2c6 [2020-11-28 03:18:26,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:26,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:18:26,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:26,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:26,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:26,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e355a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26, skipping insertion in model container [2020-11-28 03:18:26,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:26,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:26,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:27,006 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:18:27,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:27,053 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:18:27,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27 WrapperNode [2020-11-28 03:18:27,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:27,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:27,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:18:27,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:18:27,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:27,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:18:27,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:18:27,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:18:27,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... [2020-11-28 03:18:27,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:18:27,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:18:27,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:18:27,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:18:27,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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 [2020-11-28 03:18:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:18:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:18:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:18:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:18:27,430 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:18:27,430 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:18:27,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:27 BoogieIcfgContainer [2020-11-28 03:18:27,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:18:27,437 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:18:27,437 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:18:27,447 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:18:27,448 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:18:27,448 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:18:26" (1/3) ... [2020-11-28 03:18:27,450 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@241843ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:18:27, skipping insertion in model container [2020-11-28 03:18:27,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:18:27,450 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:27" (2/3) ... [2020-11-28 03:18:27,459 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@241843ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:18:27, skipping insertion in model container [2020-11-28 03:18:27,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:18:27,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:27" (3/3) ... [2020-11-28 03:18:27,461 INFO L373 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2020-11-28 03:18:27,555 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:18:27,555 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:18:27,555 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:18:27,555 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:18:27,556 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:18:27,556 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:18:27,556 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:18:27,556 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:18:27,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:18:27,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:18:27,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:27,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:27,600 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:18:27,600 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:18:27,601 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:18:27,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:18:27,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:18:27,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:27,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:27,606 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:18:27,606 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:18:27,614 INFO L794 eck$LassoCheckResult]: Stem: 12#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(18); 10#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L28true assume !!(main_~y~0 <= 1000000); 8#L29true assume main_~y~0 > 0; 5#L30-2true [2020-11-28 03:18:27,614 INFO L796 eck$LassoCheckResult]: Loop: 5#L30-2true assume !!(main_~x~0 < 100);main_~x~0 := main_~x~0 + main_~y~0; 5#L30-2true [2020-11-28 03:18:27,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:27,632 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2020-11-28 03:18:27,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:27,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612689724] [2020-11-28 03:18:27,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:27,787 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:27,824 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:27,851 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:27,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:27,856 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2020-11-28 03:18:27,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:27,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633144567] [2020-11-28 03:18:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:27,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:27,876 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:27,881 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:27,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:27,884 INFO L82 PathProgramCache]: Analyzing trace with hash 28695789, now seen corresponding path program 1 times [2020-11-28 03:18:27,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:27,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814102059] [2020-11-28 03:18:27,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:27,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:27,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:27,948 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:28,214 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-11-28 03:18:28,345 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-11-28 03:18:28,356 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:28,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:28,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:28,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:28,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:18:28,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:28,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:28,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:28,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2020-11-28 03:18:28,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:28,358 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:28,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:28,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:28,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:28,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:28,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:28,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:28,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:28,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:28,713 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:28,718 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:28,733 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 [2020-11-28 03:18:28,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:28,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:28,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:28,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:28,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:28,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:28,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:28,805 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 [2020-11-28 03:18:28,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:28,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:28,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:28,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:28,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:28,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:28,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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) [2020-11-28 03:18:28,859 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:28,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:28,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:28,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:28,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:28,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:28,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:28,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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 [2020-11-28 03:18:28,896 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 [2020-11-28 03:18:28,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:28,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:28,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:28,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:28,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:28,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:28,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:28,999 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 [2020-11-28 03:18:29,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:29,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:29,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:29,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:29,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:29,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:29,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:29,059 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 [2020-11-28 03:18:29,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:29,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:29,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:29,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:29,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:29,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:29,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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) [2020-11-28 03:18:29,121 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 [2020-11-28 03:18:29,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:29,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:29,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:29,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:29,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:29,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:29,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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 [2020-11-28 03:18:29,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:29,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:29,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:29,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:29,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:29,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:29,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:29,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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 [2020-11-28 03:18:29,208 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 [2020-11-28 03:18:29,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:29,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:29,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:29,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:29,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:29,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:29,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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) [2020-11-28 03:18:29,289 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 [2020-11-28 03:18:29,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:29,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:29,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:29,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:29,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:29,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:29,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:29,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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) [2020-11-28 03:18:29,341 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 [2020-11-28 03:18:29,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:29,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:29,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:29,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:29,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:29,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:29,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:29,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/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 [2020-11-28 03:18:29,382 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 [2020-11-28 03:18:29,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:29,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:29,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:29,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:29,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:29,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:29,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:18:29,404 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:18:29,404 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9420ec6b-5144-4553-94f0-45fb54a90587/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:29,408 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:18:29,417 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 03:18:29,418 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:18:29,418 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2020-11-28 03:18:29,468 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-11-28 03:18:29,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:29,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:18:29,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:29,550 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:18:29,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:29,565 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-11-28 03:18:29,566 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 2 states. [2020-11-28 03:18:29,645 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 2 states. Result 40 states and 50 transitions. Complement of second has 5 states. [2020-11-28 03:18:29,646 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 [2020-11-28 03:18:29,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-28 03:18:29,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2020-11-28 03:18:29,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 4 letters. Loop has 1 letters. [2020-11-28 03:18:29,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:29,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 5 letters. Loop has 1 letters. [2020-11-28 03:18:29,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:29,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:18:29,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:29,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2020-11-28 03:18:29,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:18:29,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2020-11-28 03:18:29,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:18:29,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:18:29,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:18:29,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:18:29,667 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:29,667 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:29,667 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:29,668 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:18:29,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:18:29,668 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:18:29,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:18:29,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:18:29 BoogieIcfgContainer [2020-11-28 03:18:29,674 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:18:29,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:18:29,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:18:29,674 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:18:29,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:27" (3/4) ... [2020-11-28 03:18:29,679 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:18:29,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:18:29,682 INFO L168 Benchmark]: Toolchain (without parser) took 3010.54 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 74.1 MB in the beginning and 74.6 MB in the end (delta: -556.1 kB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:29,682 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:29,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.86 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 73.8 MB in the beginning and 108.9 MB in the end (delta: -35.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:29,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.14 ms. Allocated memory is still 134.2 MB. Free memory was 108.9 MB in the beginning and 107.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:29,687 INFO L168 Benchmark]: Boogie Preprocessor took 22.63 ms. Allocated memory is still 134.2 MB. Free memory was 107.5 MB in the beginning and 106.8 MB in the end (delta: 746.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:29,692 INFO L168 Benchmark]: RCFGBuilder took 316.82 ms. Allocated memory is still 134.2 MB. Free memory was 106.4 MB in the beginning and 95.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:29,692 INFO L168 Benchmark]: BuchiAutomizer took 2236.99 ms. Allocated memory is still 134.2 MB. Free memory was 95.7 MB in the beginning and 74.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:29,692 INFO L168 Benchmark]: Witness Printer took 5.29 ms. Allocated memory is still 134.2 MB. Free memory is still 74.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:29,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.86 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 73.8 MB in the beginning and 108.9 MB in the end (delta: -35.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.14 ms. Allocated memory is still 134.2 MB. Free memory was 108.9 MB in the beginning and 107.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.63 ms. Allocated memory is still 134.2 MB. Free memory was 107.5 MB in the beginning and 106.8 MB in the end (delta: 746.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 316.82 ms. Allocated memory is still 134.2 MB. Free memory was 106.4 MB in the beginning and 95.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2236.99 ms. Allocated memory is still 134.2 MB. Free memory was 95.7 MB in the beginning and 74.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.29 ms. Allocated memory is still 134.2 MB. Free memory is still 74.6 MB. 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 * x + 199 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 19 SDtfs, 20 SDslu, 6 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital93 mio100 ax100 hnf100 lsp75 ukn50 mio100 lsp45 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 3 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...