./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6ca2d5da36c426c393949b63c645a7a762a63a478adf2fbbb829aa89b9298032 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:02:31,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:02:31,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:02:31,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:02:31,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:02:31,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:02:31,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:02:31,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:02:31,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:02:31,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:02:31,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:02:31,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:02:31,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:02:31,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:02:31,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:02:31,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:02:31,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:02:31,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:02:31,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:02:31,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:02:31,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:02:31,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:02:31,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:02:31,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:02:31,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:02:31,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:02:31,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:02:31,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:02:31,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:02:31,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:02:31,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:02:31,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:02:31,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:02:31,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:02:31,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:02:31,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:02:31,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:02:31,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:02:31,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:02:31,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:02:31,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:02:31,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 22:02:31,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:02:31,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:02:31,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:02:31,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:02:31,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:02:31,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:02:31,330 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:02:31,330 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:02:31,330 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:02:31,330 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:02:31,331 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:02:31,331 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:02:31,331 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:02:31,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:02:31,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:02:31,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:02:31,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:02:31,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:02:31,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:02:31,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:02:31,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:02:31,332 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:02:31,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:02:31,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:02:31,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:02:31,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:02:31,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:02:31,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:02:31,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:02:31,334 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:02:31,334 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ca2d5da36c426c393949b63c645a7a762a63a478adf2fbbb829aa89b9298032 [2021-12-21 22:02:31,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:02:31,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:02:31,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:02:31,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:02:31,554 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:02:31,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i [2021-12-21 22:02:31,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ef0bf6/d35855a6021e4e048c1ade48ce5a7f3b/FLAG728b556d0 [2021-12-21 22:02:32,032 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:02:32,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i [2021-12-21 22:02:32,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ef0bf6/d35855a6021e4e048c1ade48ce5a7f3b/FLAG728b556d0 [2021-12-21 22:02:32,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ef0bf6/d35855a6021e4e048c1ade48ce5a7f3b [2021-12-21 22:02:32,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:02:32,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:02:32,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:02:32,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:02:32,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:02:32,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1c0ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32, skipping insertion in model container [2021-12-21 22:02:32,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:02:32,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:02:32,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:02:32,335 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:02:32,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:02:32,395 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:02:32,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32 WrapperNode [2021-12-21 22:02:32,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:02:32,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:02:32,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:02:32,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:02:32,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,430 INFO L137 Inliner]: procedures = 110, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2021-12-21 22:02:32,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:02:32,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:02:32,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:02:32,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:02:32,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:02:32,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:02:32,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:02:32,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:02:32,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (1/1) ... [2021-12-21 22:02:32,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:32,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:32,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:32,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-21 22:02:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:02:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:02:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 22:02:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 22:02:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:02:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:02:32,602 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:02:32,603 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:02:32,680 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:02:32,684 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:02:32,684 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 22:02:32,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:02:32 BoogieIcfgContainer [2021-12-21 22:02:32,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:02:32,686 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:02:32,686 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:02:32,690 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:02:32,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:32,691 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:02:32" (1/3) ... [2021-12-21 22:02:32,691 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68deedb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:02:32, skipping insertion in model container [2021-12-21 22:02:32,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:32,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:32" (2/3) ... [2021-12-21 22:02:32,692 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68deedb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:02:32, skipping insertion in model container [2021-12-21 22:02:32,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:32,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:02:32" (3/3) ... [2021-12-21 22:02:32,693 INFO L388 chiAutomizerObserver]: Analyzing ICFG add_last-alloca-2.i [2021-12-21 22:02:32,748 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:02:32,763 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:02:32,763 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:02:32,763 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:02:32,763 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:02:32,763 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:02:32,763 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:02:32,763 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:02:32,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:02:32,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-21 22:02:32,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:32,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:32,791 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-21 22:02:32,791 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:02:32,792 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:02:32,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:02:32,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-21 22:02:32,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:32,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:32,793 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-21 22:02:32,793 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:02:32,798 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1.base, main_#t~post8#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 10#L550true assume !(main_~length~0#1 < 1); 11#L550-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12#L552true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~a~0#1.base, main_~a~0#1.offset := main_~arr~0#1.base, main_~arr~0#1.offset; 6#L554-3true [2021-12-21 22:02:32,799 INFO L793 eck$LassoCheckResult]: Loop: 6#L554-3true call main_#t~mem4#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem5#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~length~0#1 - 4, 4); 7#L554-1true assume !!(main_#t~mem4#1 != main_#t~mem5#1);havoc main_#t~mem4#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~length~0#1 - 4, 4);call write~int(main_#t~mem6#1 + main_#t~mem7#1, main_~a~0#1.base, main_~a~0#1.offset, 4);havoc main_#t~mem6#1;havoc main_#t~mem7#1;main_#t~post8#1.base, main_#t~post8#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~a~0#1.base, main_~a~0#1.offset := main_#t~post8#1.base, 4 + main_#t~post8#1.offset;havoc main_#t~post8#1.base, main_#t~post8#1.offset; 6#L554-3true [2021-12-21 22:02:32,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:32,803 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-12-21 22:02:32,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:32,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561328838] [2021-12-21 22:02:32,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:32,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:32,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:32,924 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:32,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:32,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2021-12-21 22:02:32,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:32,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055076380] [2021-12-21 22:02:32,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:32,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:32,940 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:32,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:32,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:32,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2021-12-21 22:02:32,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:32,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213657603] [2021-12-21 22:02:32,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:32,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:32,969 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:32,983 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:33,221 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:02:33,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:02:33,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:02:33,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:02:33,222 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:02:33,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:02:33,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:02:33,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_last-alloca-2.i_Iteration1_Lasso [2021-12-21 22:02:33,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:02:33,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:02:33,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:33,661 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:02:33,664 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:02:33,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:33,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:33,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-21 22:02:33,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:33,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:33,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:33,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:33,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:33,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:33,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:33,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:33,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:33,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:33,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:33,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:33,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-21 22:02:33,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:33,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:33,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:33,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:33,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:33,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:33,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:33,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:33,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:33,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:33,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:33,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-21 22:02:33,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:33,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:33,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:33,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:33,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:33,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:33,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:33,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:33,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:33,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:33,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:33,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:33,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-21 22:02:33,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:33,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:33,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:33,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:33,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:33,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:33,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:33,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:33,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:33,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:33,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:33,850 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:33,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-21 22:02:33,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:33,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:33,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:33,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:33,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:33,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:33,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:33,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:33,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:33,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:33,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:33,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-21 22:02:33,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:33,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:33,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:33,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:33,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:33,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:33,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:33,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:33,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:33,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:33,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:33,937 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:33,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-21 22:02:33,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:33,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:33,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:33,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:33,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:33,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:33,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:33,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:33,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:33,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-21 22:02:33,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:33,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:33,994 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:33,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-21 22:02:33,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:34,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:34,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:34,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,040 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-21 22:02:34,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:34,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:34,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:34,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:34,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-21 22:02:34,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,082 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-21 22:02:34,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:34,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:34,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:34,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:34,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,141 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-21 22:02:34,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:34,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:34,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:34,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,187 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-21 22:02:34,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:34,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:34,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:34,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:34,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,215 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-21 22:02:34,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:34,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:34,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:34,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:34,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,259 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-21 22:02:34,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:34,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:34,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:34,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:34,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,301 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-21 22:02:34,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:34,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:34,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:34,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,355 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-21 22:02:34,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:34,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:34,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:34,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:34,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:34,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:34,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:34,386 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:02:34,421 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-21 22:02:34,422 INFO L444 ModelExtractionUtils]: 6 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-12-21 22:02:34,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:34,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:34,444 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:02:34,468 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:02:34,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-21 22:02:34,489 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:02:34,489 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:02:34,490 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1, ULTIMATE.start_main_~a~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1 - 1*ULTIMATE.start_main_~a~0#1.offset Supporting invariants [] [2021-12-21 22:02:34,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,528 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2021-12-21 22:02:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:34,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 22:02:34,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:34,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 22:02:34,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:34,671 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-21 22:02:34,672 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:02:34,708 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 24 transitions. Complement of second has 7 states. [2021-12-21 22:02:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:02:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:02:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-12-21 22:02:34,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-21 22:02:34,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:34,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-21 22:02:34,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:34,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-21 22:02:34,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:34,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2021-12-21 22:02:34,716 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:02:34,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-12-21 22:02:34,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-21 22:02:34,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-21 22:02:34,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-21 22:02:34,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:02:34,718 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:02:34,718 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:02:34,718 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:02:34,718 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:02:34,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-21 22:02:34,718 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:02:34,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-21 22:02:34,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:02:34 BoogieIcfgContainer [2021-12-21 22:02:34,722 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:02:34,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:02:34,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:02:34,723 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:02:34,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:02:32" (3/4) ... [2021-12-21 22:02:34,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 22:02:34,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:02:34,725 INFO L158 Benchmark]: Toolchain (without parser) took 2660.04ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 51.0MB in the beginning and 60.9MB in the end (delta: -9.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-12-21 22:02:34,725 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:02:34,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.90ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 50.8MB in the beginning and 84.7MB in the end (delta: -33.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:02:34,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.10ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 83.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:02:34,726 INFO L158 Benchmark]: Boogie Preprocessor took 20.75ms. Allocated memory is still 113.2MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:02:34,727 INFO L158 Benchmark]: RCFGBuilder took 230.80ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 72.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 22:02:34,727 INFO L158 Benchmark]: BuchiAutomizer took 2035.90ms. Allocated memory is still 113.2MB. Free memory was 72.1MB in the beginning and 60.9MB in the end (delta: 11.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-12-21 22:02:34,727 INFO L158 Benchmark]: Witness Printer took 2.28ms. Allocated memory is still 113.2MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:02:34,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.90ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 50.8MB in the beginning and 84.7MB in the end (delta: -33.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.10ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 83.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.75ms. Allocated memory is still 113.2MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 230.80ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 72.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2035.90ms. Allocated memory is still 113.2MB. Free memory was 72.1MB in the beginning and 60.9MB in the end (delta: 11.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 2.28ms. Allocated memory is still 113.2MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (length*sizeof(int))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 8 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital144 mio100 ax112 hnf100 lsp85 ukn85 mio100 lsp53 div100 bol100 ite100 ukn100 eq173 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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! [2021-12-21 22:02:34,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:34,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE