./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/openbsd_cmemchr-alloca-1.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 41c98898a531fb0ee2da225b716afd5dc80c24b1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:25:34,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:25:34,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:25:34,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:25:34,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:25:34,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:25:34,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:25:34,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:25:34,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:25:34,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:25:34,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:25:34,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:25:34,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:25:34,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:25:34,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:25:34,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:25:34,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:25:34,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:25:34,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:25:34,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:25:34,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:25:34,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:25:34,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:25:34,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:25:34,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:25:34,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:25:34,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:25:34,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:25:34,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:25:34,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:25:34,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:25:34,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:25:34,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:25:34,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:25:34,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:25:34,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:25:34,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:25:34,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:25:34,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:25:34,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:25:34,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:25:34,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:25:34,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:25:34,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:25:34,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:25:34,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:25:34,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:25:34,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:25:34,705 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:25:34,705 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:25:34,705 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:25:34,706 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:25:34,706 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:25:34,706 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:25:34,706 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:25:34,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:25:34,707 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:25:34,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:25:34,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:25:34,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:25:34,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:25:34,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:25:34,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:25:34,708 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:25:34,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:25:34,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:25:34,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:25:34,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:25:34,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:25:34,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:25:34,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:25:34,714 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:25:34,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41c98898a531fb0ee2da225b716afd5dc80c24b1 [2021-08-27 14:25:35,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:25:35,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:25:35,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:25:35,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:25:35,034 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:25:35,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2021-08-27 14:25:35,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e463f7d3/a321f7f2124a447da5dbedb9bee15508/FLAGa6c23ec85 [2021-08-27 14:25:35,532 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:25:35,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2021-08-27 14:25:35,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e463f7d3/a321f7f2124a447da5dbedb9bee15508/FLAGa6c23ec85 [2021-08-27 14:25:35,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e463f7d3/a321f7f2124a447da5dbedb9bee15508 [2021-08-27 14:25:35,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:25:35,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:25:35,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:25:35,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:25:35,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:25:35,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:25:35" (1/1) ... [2021-08-27 14:25:35,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743a5136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:35, skipping insertion in model container [2021-08-27 14:25:35,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:25:35" (1/1) ... [2021-08-27 14:25:35,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:25:35,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:25:36,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:25:36,175 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:25:36,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:25:36,228 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:25:36,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36 WrapperNode [2021-08-27 14:25:36,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:25:36,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:25:36,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:25:36,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:25:36,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:25:36,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:25:36,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:25:36,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:25:36,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:25:36,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:25:36,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:25:36,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:25:36,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (1/1) ... [2021-08-27 14:25:36,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:36,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:36,348 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) [2021-08-27 14:25:36,353 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 [2021-08-27 14:25:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:25:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 14:25:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:25:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:25:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:25:36,646 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:25:36,646 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 14:25:36,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:25:36 BoogieIcfgContainer [2021-08-27 14:25:36,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:25:36,648 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:25:36,648 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:25:36,651 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:25:36,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:25:36,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:25:35" (1/3) ... [2021-08-27 14:25:36,652 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70ea66e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:25:36, skipping insertion in model container [2021-08-27 14:25:36,652 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:25:36,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:25:36" (2/3) ... [2021-08-27 14:25:36,653 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70ea66e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:25:36, skipping insertion in model container [2021-08-27 14:25:36,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:25:36,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:25:36" (3/3) ... [2021-08-27 14:25:36,654 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-1.i [2021-08-27 14:25:36,725 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:25:36,740 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:25:36,741 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:25:36,741 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:25:36,741 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:25:36,741 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:25:36,741 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:25:36,741 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:25:36,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2021-08-27 14:25:36,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-27 14:25:36,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:25:36,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:25:36,769 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:25:36,769 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 14:25:36,769 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:25:36,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2021-08-27 14:25:36,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-27 14:25:36,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:25:36,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:25:36,772 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:25:36,772 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 14:25:36,778 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 12#L563true assume !(main_~length~0 < 1); 8#L563-2true assume !(main_~n~0 < 1); 13#L566-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; 16#L550true assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; 5#L552-4true [2021-08-27 14:25:36,778 INFO L793 eck$LassoCheckResult]: Loop: 5#L552-4true cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); 11#L553true assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; 9#L552-1true cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; 10#L552-2true assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; 5#L552-4true [2021-08-27 14:25:36,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:36,782 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2021-08-27 14:25:36,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:36,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197648073] [2021-08-27 14:25:36,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:36,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:36,912 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:25:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:36,972 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:25:36,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:36,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1605803, now seen corresponding path program 1 times [2021-08-27 14:25:36,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:36,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75664124] [2021-08-27 14:25:36,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:36,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:37,012 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:25:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:37,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:25:37,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:37,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1592233654, now seen corresponding path program 1 times [2021-08-27 14:25:37,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:37,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401498152] [2021-08-27 14:25:37,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:37,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:37,057 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:25:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:37,088 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:25:37,627 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:25:37,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:25:37,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:25:37,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:25:37,628 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:25:37,631 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:37,631 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:25:37,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:25:37,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-1.i_Iteration1_Lasso [2021-08-27 14:25:37,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:25:37,632 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:25:37,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:37,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:38,481 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:25:38,484 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:25:38,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,489 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) [2021-08-27 14:25:38,496 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 [2021-08-27 14:25:38,496 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 [2021-08-27 14:25:38,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:38,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:38,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:38,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 14:25:38,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,545 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) [2021-08-27 14:25:38,547 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 [2021-08-27 14:25:38,547 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 [2021-08-27 14:25:38,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:38,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:38,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:38,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-08-27 14:25:38,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,590 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) [2021-08-27 14:25:38,590 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 [2021-08-27 14:25:38,592 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 [2021-08-27 14:25:38,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:38,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:38,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:38,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,627 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 [2021-08-27 14:25:38,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,628 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) [2021-08-27 14:25:38,629 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 [2021-08-27 14:25:38,630 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 [2021-08-27 14:25:38,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:38,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:38,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:38,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,654 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 [2021-08-27 14:25:38,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,655 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) [2021-08-27 14:25:38,656 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 [2021-08-27 14:25:38,657 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 [2021-08-27 14:25:38,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:38,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:38,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:38,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,684 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 [2021-08-27 14:25:38,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,685 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) [2021-08-27 14:25:38,686 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 [2021-08-27 14:25:38,689 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 [2021-08-27 14:25:38,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:38,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:38,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:38,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-27 14:25:38,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,714 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) [2021-08-27 14:25:38,715 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 [2021-08-27 14:25:38,716 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 [2021-08-27 14:25:38,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:38,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:38,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:38,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:38,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,750 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) [2021-08-27 14:25:38,751 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 [2021-08-27 14:25:38,752 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 [2021-08-27 14:25:38,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:38,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:38,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:38,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,778 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 [2021-08-27 14:25:38,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,779 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) [2021-08-27 14:25:38,779 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 [2021-08-27 14:25:38,781 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 [2021-08-27 14:25:38,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:38,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:38,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:38,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,849 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) [2021-08-27 14:25:38,855 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 [2021-08-27 14:25:38,856 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 [2021-08-27 14:25:38,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:38,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:38,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,898 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 [2021-08-27 14:25:38,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,899 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) [2021-08-27 14:25:38,900 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 [2021-08-27 14:25:38,901 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 [2021-08-27 14:25:38,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:38,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:38,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:38,933 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 [2021-08-27 14:25:38,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:38,934 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) [2021-08-27 14:25:38,938 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 [2021-08-27 14:25:38,941 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 [2021-08-27 14:25:38,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:38,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:38,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:38,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:38,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:38,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:38,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:39,003 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 [2021-08-27 14:25:39,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:39,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:39,004 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) [2021-08-27 14:25:39,004 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 [2021-08-27 14:25:39,006 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 [2021-08-27 14:25:39,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:39,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:39,013 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 14:25:39,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:39,036 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-08-27 14:25:39,036 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:25:39,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:39,080 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 [2021-08-27 14:25:39,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:39,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:39,081 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) [2021-08-27 14:25:39,089 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 [2021-08-27 14:25:39,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:39,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:39,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:39,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:39,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:39,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:39,106 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 [2021-08-27 14:25:39,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:39,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-08-27 14:25:39,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:39,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:39,142 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) [2021-08-27 14:25:39,153 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 [2021-08-27 14:25:39,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:39,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:39,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:39,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:39,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:39,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:39,178 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 [2021-08-27 14:25:39,196 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:25:39,284 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-08-27 14:25:39,285 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-08-27 14:25:39,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:39,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:39,313 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) [2021-08-27 14:25:39,348 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 [2021-08-27 14:25:39,349 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:25:39,375 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 14:25:39,376 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:25:39,376 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemchr_~n, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1) = 2*ULTIMATE.start_cmemchr_~n + 3*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 Supporting invariants [3*ULTIMATE.start_cmemchr_~p~0.offset + 2*ULTIMATE.start_cmemchr_~n >= 0] [2021-08-27 14:25:39,401 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 [2021-08-27 14:25:39,412 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2021-08-27 14:25:39,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:25:39,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-27 14:25:39,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:25:39,547 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 [2021-08-27 14:25:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:25:39,609 WARN L261 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-27 14:25:39,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:25:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:25:39,737 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-08-27 14:25:39,738 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-08-27 14:25:39,850 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 34 states and 40 transitions. Complement of second has 10 states. [2021-08-27 14:25:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 14:25:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-08-27 14:25:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 27 transitions. [2021-08-27 14:25:39,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 6 letters. Loop has 4 letters. [2021-08-27 14:25:39,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:25:39,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2021-08-27 14:25:39,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:25:39,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 27 transitions. Stem has 6 letters. Loop has 8 letters. [2021-08-27 14:25:39,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:25:39,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2021-08-27 14:25:39,858 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:25:39,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2021-08-27 14:25:39,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:25:39,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:25:39,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:25:39,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:25:39,861 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:25:39,861 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:25:39,861 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:25:39,861 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:25:39,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:25:39,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:25:39,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:25:39,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:25:39 BoogieIcfgContainer [2021-08-27 14:25:39,866 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:25:39,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:25:39,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:25:39,867 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:25:39,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:25:36" (3/4) ... [2021-08-27 14:25:39,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:25:39,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:25:39,871 INFO L168 Benchmark]: Toolchain (without parser) took 3980.21 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 30.7 MB in the beginning and 66.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:39,871 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.7 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:25:39,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.38 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 45.2 MB in the end (delta: -14.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:39,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.38 ms. Allocated memory is still 67.1 MB. Free memory was 45.2 MB in the beginning and 43.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:39,873 INFO L168 Benchmark]: Boogie Preprocessor took 42.32 ms. Allocated memory is still 67.1 MB. Free memory was 43.5 MB in the beginning and 42.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:39,873 INFO L168 Benchmark]: RCFGBuilder took 326.46 ms. Allocated memory is still 67.1 MB. Free memory was 42.3 MB in the beginning and 42.8 MB in the end (delta: -524.1 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:39,874 INFO L168 Benchmark]: BuchiAutomizer took 3218.00 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 42.6 MB in the beginning and 67.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:39,874 INFO L168 Benchmark]: Witness Printer took 2.93 ms. Allocated memory is still 98.6 MB. Free memory was 67.5 MB in the beginning and 66.7 MB in the end (delta: 814.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:25:39,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.7 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.38 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 45.2 MB in the end (delta: -14.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.38 ms. Allocated memory is still 67.1 MB. Free memory was 45.2 MB in the beginning and 43.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.32 ms. Allocated memory is still 67.1 MB. Free memory was 43.5 MB in the beginning and 42.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 326.46 ms. Allocated memory is still 67.1 MB. Free memory was 42.3 MB in the beginning and 42.8 MB in the end (delta: -524.1 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3218.00 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 42.6 MB in the beginning and 67.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Witness Printer took 2.93 ms. Allocated memory is still 98.6 MB. Free memory was 67.5 MB in the beginning and 66.7 MB in the end (delta: 814.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * n + 3 * unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 13 SDtfs, 23 SDslu, 17 SDs, 0 SdLazy, 16 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital136 mio100 ax113 hnf100 lsp82 ukn97 mio100 lsp54 div211 bol100 ite100 ukn100 eq169 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2021-08-27 14:25:39,910 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...