./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/java_Break.c --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-restricted-15/java_Break.c -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 1280b40cccca667b0f3596f6bf2da8a1a2cf47fc .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:13:07,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:13:07,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:13:07,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:13:07,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:13:07,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:13:07,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:13:07,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:13:07,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:13:07,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:13:07,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:13:07,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:13:07,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:13:07,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:13:07,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:13:08,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:13:08,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:13:08,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:13:08,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:13:08,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:13:08,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:13:08,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:13:08,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:13:08,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:13:08,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:13:08,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:13:08,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:13:08,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:13:08,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:13:08,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:13:08,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:13:08,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:13:08,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:13:08,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:13:08,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:13:08,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:13:08,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:13:08,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:13:08,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:13:08,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:13:08,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:13:08,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:13:08,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:13:08,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:13:08,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:13:08,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:13:08,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:13:08,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:13:08,044 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:13:08,044 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:13:08,044 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:13:08,044 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:13:08,044 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:13:08,045 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:13:08,045 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:13:08,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:13:08,045 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:13:08,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:13:08,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:13:08,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:13:08,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:13:08,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:13:08,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:13:08,047 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:13:08,047 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:13:08,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:13:08,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:13:08,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:13:08,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:13:08,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:13:08,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:13:08,049 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:13:08,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1280b40cccca667b0f3596f6bf2da8a1a2cf47fc [2021-08-27 14:13:08,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:13:08,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:13:08,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:13:08,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:13:08,349 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:13:08,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_Break.c [2021-08-27 14:13:08,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f7af2d3/7947addf49e043408e63a9b13f7185b5/FLAGb0d82fd31 [2021-08-27 14:13:08,794 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:13:08,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Break.c [2021-08-27 14:13:08,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f7af2d3/7947addf49e043408e63a9b13f7185b5/FLAGb0d82fd31 [2021-08-27 14:13:09,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f7af2d3/7947addf49e043408e63a9b13f7185b5 [2021-08-27 14:13:09,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:13:09,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:13:09,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:13:09,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:13:09,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:13:09,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fbed6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09, skipping insertion in model container [2021-08-27 14:13:09,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:13:09,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:13:09,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:13:09,346 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:13:09,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:13:09,367 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:13:09,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09 WrapperNode [2021-08-27 14:13:09,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:13:09,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:13:09,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:13:09,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:13:09,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:13:09,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:13:09,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:13:09,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:13:09,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:13:09,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:13:09,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:13:09,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:13:09,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (1/1) ... [2021-08-27 14:13:09,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:09,426 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 14:13:09,460 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 14:13:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:13:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:13:09,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:13:09,594 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-27 14:13:09,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:13:09 BoogieIcfgContainer [2021-08-27 14:13:09,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:13:09,596 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:13:09,596 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:13:09,599 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:13:09,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:13:09,599 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:13:09" (1/3) ... [2021-08-27 14:13:09,600 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73392a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:13:09, skipping insertion in model container [2021-08-27 14:13:09,600 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:13:09,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:09" (2/3) ... [2021-08-27 14:13:09,601 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73392a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:13:09, skipping insertion in model container [2021-08-27 14:13:09,601 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:13:09,601 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:13:09" (3/3) ... [2021-08-27 14:13:09,602 INFO L389 chiAutomizerObserver]: Analyzing ICFG java_Break.c [2021-08-27 14:13:09,636 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:13:09,637 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:13:09,637 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:13:09,637 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:13:09,637 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:13:09,637 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:13:09,637 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:13:09,638 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:13:09,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2021-08-27 14:13:09,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-27 14:13:09,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:13:09,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:13:09,665 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-27 14:13:09,665 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-27 14:13:09,665 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:13:09,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2021-08-27 14:13:09,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-27 14:13:09,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:13:09,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:13:09,666 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-27 14:13:09,667 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-27 14:13:09,676 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~c~0;havoc main_~i~0;havoc main_~c~0;main_~i~0 := 0;main_~c~0 := 0; 4#L10-2true [2021-08-27 14:13:09,676 INFO L793 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0 <= 10);main_~i~0 := 1 + main_~i~0;main_~c~0 := 1 + main_~c~0; 4#L10-2true [2021-08-27 14:13:09,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:09,682 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-08-27 14:13:09,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:09,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556279338] [2021-08-27 14:13:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:09,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:09,755 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:09,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:09,780 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-08-27 14:13:09,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:09,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300349319] [2021-08-27 14:13:09,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:09,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:09,797 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:09,807 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:09,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-08-27 14:13:09,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:09,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408727677] [2021-08-27 14:13:09,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:09,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:09,828 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:09,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:09,954 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:13:09,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:13:09,969 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:13:09,969 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:13:09,970 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:13:09,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:09,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:13:09,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:13:09,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Break.c_Iteration1_Loop [2021-08-27 14:13:09,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:13:09,971 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:13:09,985 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 14:13:10,008 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 14:13:10,012 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 14:13:10,016 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 14:13:10,098 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:13:10,098 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:13:10,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,101 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 14:13:10,105 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 14:13:10,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:13:10,106 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:13:10,132 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:13:10,132 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:13:10,160 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 [2021-08-27 14:13:10,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,165 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 14:13:10,167 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 14:13:10,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:13:10,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:13:10,189 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:13:10,189 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:13:10,215 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 [2021-08-27 14:13:10,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,218 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 14:13:10,220 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 14:13:10,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:13:10,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:13:10,260 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 14:13:10,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,262 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 14:13:10,263 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 14:13:10,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:13:10,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:13:10,294 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:13:10,294 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=1}, {ULTIMATE.start_main_~c~0=7}, {ULTIMATE.start_main_~c~0=-7}] Lambdas: [1, 2, 1] Nus: [0, 1] [2021-08-27 14:13:10,318 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 14:13:10,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,319 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 14:13:10,320 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 14:13:10,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:13:10,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:13:10,351 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 14:13:10,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,353 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 14:13:10,354 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 14:13:10,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:13:10,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:13:10,455 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:13:10,459 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 [2021-08-27 14:13:10,459 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:13:10,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:13:10,459 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:13:10,459 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:13:10,459 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:13:10,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:13:10,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:13:10,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Break.c_Iteration1_Loop [2021-08-27 14:13:10,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:13:10,460 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:13:10,462 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 14:13:10,468 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 14:13:10,472 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 14:13:10,476 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 14:13:10,572 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:13:10,575 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:13:10,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,577 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 14:13:10,589 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 14:13:10,589 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 14:13:10,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:10,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:10,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:10,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:10,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:10,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:10,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:10,643 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 14:13:10,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,644 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 14:13:10,656 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 14:13:10,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:10,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:10,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:10,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:10,666 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 14:13:10,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:10,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:10,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:10,705 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 14:13:10,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,706 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 14:13:10,706 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 14:13:10,708 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 14:13:10,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:10,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:10,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:10,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:10,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:10,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:10,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:10,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:10,739 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 14:13:10,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,740 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 14:13:10,741 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 14:13:10,742 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 14:13:10,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:10,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:10,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:10,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:10,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:10,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:10,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:10,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:13:10,763 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 14:13:10,763 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 14:13:10,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:10,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:10,765 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 14:13:10,765 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 14:13:10,766 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:13:10,766 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 14:13:10,766 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:13:10,767 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 21 Supporting invariants [] [2021-08-27 14:13:10,783 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 14:13:10,784 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 14:13:10,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:13:10,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:13:10,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:13:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:13:10,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:13:10,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:13:10,833 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 14:13:10,844 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-27 14:13:10,846 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 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) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 14:13:10,882 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 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). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 15 states and 18 transitions. Complement of second has 5 states. [2021-08-27 14:13:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:13:10,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 14:13:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-08-27 14:13:10,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-08-27 14:13:10,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:10,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-08-27 14:13:10,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:10,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-08-27 14:13:10,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:10,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-08-27 14:13:10,891 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:13:10,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-08-27 14:13:10,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:13:10,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:13:10,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:13:10,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:13:10,894 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:13:10,894 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:13:10,894 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:13:10,894 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:13:10,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:13:10,897 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:13:10,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:13:10,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:13:10 BoogieIcfgContainer [2021-08-27 14:13:10,903 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:13:10,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:13:10,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:13:10,904 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:13:10,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:13:09" (3/4) ... [2021-08-27 14:13:10,907 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:13:10,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:13:10,914 INFO L168 Benchmark]: Toolchain (without parser) took 1710.14 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 44.5 MB in the beginning and 41.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:13:10,915 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:13:10,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.62 ms. Allocated memory is still 62.9 MB. Free memory was 44.3 MB in the beginning and 36.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:13:10,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.16 ms. Allocated memory is still 62.9 MB. Free memory was 36.0 MB in the beginning and 34.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:13:10,920 INFO L168 Benchmark]: Boogie Preprocessor took 11.26 ms. Allocated memory is still 62.9 MB. Free memory was 34.8 MB in the beginning and 33.9 MB in the end (delta: 892.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:13:10,921 INFO L168 Benchmark]: RCFGBuilder took 192.56 ms. Allocated memory is still 62.9 MB. Free memory was 33.9 MB in the beginning and 44.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-08-27 14:13:10,922 INFO L168 Benchmark]: BuchiAutomizer took 1306.72 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 44.4 MB in the beginning and 41.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-08-27 14:13:10,922 INFO L168 Benchmark]: Witness Printer took 8.26 ms. Allocated memory is still 81.8 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:13:10,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 164.62 ms. Allocated memory is still 62.9 MB. Free memory was 44.3 MB in the beginning and 36.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 22.16 ms. Allocated memory is still 62.9 MB. Free memory was 36.0 MB in the beginning and 34.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 11.26 ms. Allocated memory is still 62.9 MB. Free memory was 34.8 MB in the beginning and 33.9 MB in the end (delta: 892.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 192.56 ms. Allocated memory is still 62.9 MB. Free memory was 33.9 MB in the beginning and 44.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1306.72 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 44.4 MB in the beginning and 41.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Witness Printer took 8.26 ms. Allocated memory is still 81.8 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 21 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:13:10,961 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 14:13:11,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...