./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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/loop-invgen/id_trans.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash b2585982366e12850b78353d5a08eef796173b16 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:39:36,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:39:36,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:39:36,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:39:36,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:39:36,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:39:36,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:39:36,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:39:36,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:39:36,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:39:36,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:39:36,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:39:36,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:39:36,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:39:36,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:39:36,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:39:36,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:39:36,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:39:36,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:39:36,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:39:36,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:39:36,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:39:36,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:39:36,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:39:36,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:39:36,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:39:36,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:39:36,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:39:36,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:39:36,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:39:36,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:39:36,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:39:36,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:39:36,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:39:36,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:39:36,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:39:36,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:39:36,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:39:36,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:39:36,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:39:36,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:39:36,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:39:36,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:39:36,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:39:36,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:39:36,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:39:36,649 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:39:36,649 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:39:36,649 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:39:36,650 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:39:36,650 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:39:36,650 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:39:36,651 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:39:36,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:39:36,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:39:36,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:39:36,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:39:36,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:39:36,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:39:36,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:39:36,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:39:36,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:39:36,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:39:36,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:39:36,654 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:39:36,654 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:39:36,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:39:36,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:39:36,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:39:36,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:39:36,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:39:36,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:39:36,656 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:39:36,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2585982366e12850b78353d5a08eef796173b16 [2021-07-06 19:39:36,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:39:36,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:39:36,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:39:36,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:39:36,996 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:39:36,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/id_trans.i [2021-07-06 19:39:37,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a89e7e5/5af537d6e3104af5bca7d4f0eed2d8c1/FLAG6923149d8 [2021-07-06 19:39:37,551 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:39:37,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/id_trans.i [2021-07-06 19:39:37,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a89e7e5/5af537d6e3104af5bca7d4f0eed2d8c1/FLAG6923149d8 [2021-07-06 19:39:38,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a89e7e5/5af537d6e3104af5bca7d4f0eed2d8c1 [2021-07-06 19:39:38,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:39:38,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:39:38,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:39:38,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:39:38,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:39:38,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42379641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38, skipping insertion in model container [2021-07-06 19:39:38,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:39:38,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:39:38,197 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-07-06 19:39:38,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:39:38,217 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:39:38,229 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-07-06 19:39:38,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:39:38,261 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:39:38,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38 WrapperNode [2021-07-06 19:39:38,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:39:38,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:39:38,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:39:38,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:39:38,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:39:38,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:39:38,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:39:38,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:39:38,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:39:38,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:39:38,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:39:38,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:39:38,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (1/1) ... [2021-07-06 19:39:38,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:38,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:39:38,386 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) [2021-07-06 19:39:38,410 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 [2021-07-06 19:39:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:39:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:39:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:39:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:39:38,690 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:39:38,690 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-07-06 19:39:38,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:39:38 BoogieIcfgContainer [2021-07-06 19:39:38,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:39:38,693 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:39:38,701 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:39:38,704 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:39:38,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:39:38,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:39:38" (1/3) ... [2021-07-06 19:39:38,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c16f07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:39:38, skipping insertion in model container [2021-07-06 19:39:38,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:39:38,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:39:38" (2/3) ... [2021-07-06 19:39:38,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c16f07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:39:38, skipping insertion in model container [2021-07-06 19:39:38,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:39:38,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:39:38" (3/3) ... [2021-07-06 19:39:38,707 INFO L389 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2021-07-06 19:39:38,766 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:39:38,766 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:39:38,766 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:39:38,766 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:39:38,766 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:39:38,767 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:39:38,767 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:39:38,767 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:39:38,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2021-07-06 19:39:38,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-07-06 19:39:38,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:39:38,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:39:38,806 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-07-06 19:39:38,807 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 19:39:38,807 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 19:39:38,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2021-07-06 19:39:38,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-07-06 19:39:38,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:39:38,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:39:38,810 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-07-06 19:39:38,811 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 19:39:38,816 INFO L791 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 16#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~post6, main_~idBitLength~0, main_~material_length~0, main_~nlen~0, main_~j~0, main_~k~0;havoc main_~idBitLength~0;havoc main_~material_length~0;havoc main_~nlen~0;havoc main_~j~0;havoc main_~k~0;main_~nlen~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~idBitLength~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~material_length~0 := main_#t~nondet5;havoc main_#t~nondet5; 14#L30true assume !!(main_~nlen~0 == (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 32 then 1 + main_~idBitLength~0 / 32 else main_~idBitLength~0 / 32));main_~j~0 := 0; 12#L31-2true [2021-07-06 19:39:38,818 INFO L793 eck$LassoCheckResult]: Loop: 12#L31-2true assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 8 then 1 + main_~idBitLength~0 / 8 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 10#L18true assume !(0 == __VERIFIER_assert_~cond); 5#L18-2true __VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3#L18-3true assume !(0 == __VERIFIER_assert_~cond); 21#L18-5true __VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 19#L18-6true assume !(0 == __VERIFIER_assert_~cond); 17#L18-8true __VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 15#L18-9true assume !(0 == __VERIFIER_assert_~cond); 9#L18-11true main_#t~post6 := main_~j~0;main_~j~0 := 1 + main_#t~post6;havoc main_#t~post6; 12#L31-2true [2021-07-06 19:39:38,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:39:38,826 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-07-06 19:39:38,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:39:38,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964261291] [2021-07-06 19:39:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:39:38,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:39:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:39:38,930 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:39:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:39:38,965 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:39:38,981 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:39:38,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:39:38,992 INFO L82 PathProgramCache]: Analyzing trace with hash -188897221, now seen corresponding path program 1 times [2021-07-06 19:39:38,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:39:38,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348359714] [2021-07-06 19:39:38,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:39:38,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:39:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:39:39,041 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:39:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:39:39,078 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:39:39,088 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:39:39,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:39:39,090 INFO L82 PathProgramCache]: Analyzing trace with hash -960316680, now seen corresponding path program 1 times [2021-07-06 19:39:39,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:39:39,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696681222] [2021-07-06 19:39:39,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:39:39,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:39:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:39:39,127 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:39:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:39:39,169 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:39:39,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:39:39,318 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-07-06 19:39:39,413 INFO L142 QuantifierPusher]: treesize reduction 92, result has 78.1 percent of original size [2021-07-06 19:39:39,434 INFO L428 QuantifierPusher]: Applying distributivity to a ∧-2-2-2-1 term [2021-07-06 19:39:39,435 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-06 19:39:39,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 19:39:39,440 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:39,455 INFO L428 QuantifierPusher]: Applying distributivity to a ∧-2-2-2-1 term [2021-07-06 19:39:39,456 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-06 19:39:39,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 19:39:39,460 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:39,492 INFO L147 QuantifierPusher]: treesize reduction 167, result has 36.0 percent of original size 94 [2021-07-06 19:39:39,588 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:39:39,588 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:39:39,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:39:39,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:39:39,589 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-07-06 19:39:39,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:39,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:39:39,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:39:39,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2021-07-06 19:39:39,590 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:39:39,590 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:39:39,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:39:39,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:39:39,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:39:39,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:39:39,701 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-07-06 19:39:39,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:39,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:39:39,709 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) [2021-07-06 19:39:39,718 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 [2021-07-06 19:39:39,719 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:39:39,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:39:39,737 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-07-06 19:39:39,737 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-07-06 19:39:39,759 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 [2021-07-06 19:39:39,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:39,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:39:39,762 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) [2021-07-06 19:39:39,763 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 [2021-07-06 19:39:39,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:39:39,765 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:39:39,797 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 [2021-07-06 19:39:39,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:39,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:39:39,800 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) [2021-07-06 19:39:39,800 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 [2021-07-06 19:39:39,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-07-06 19:39:39,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:39:39,884 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-07-06 19:39:39,890 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 [2021-07-06 19:39:39,890 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:39:39,890 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:39:39,890 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:39:39,890 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:39:39,891 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 19:39:39,891 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:39,891 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:39:39,891 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:39:39,891 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2021-07-06 19:39:39,891 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:39:39,891 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:39:39,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:39:39,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:39:39,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:39:40,006 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:39:40,010 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 19:39:40,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:40,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:39:40,017 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) [2021-07-06 19:39:40,018 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 [2021-07-06 19:39:40,020 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 [2021-07-06 19:39:40,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:39:40,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:39:40,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:39:40,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:39:40,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:39:40,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:39:40,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:39:40,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:39:40,055 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 [2021-07-06 19:39:40,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:40,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:39:40,057 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) [2021-07-06 19:39:40,058 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 [2021-07-06 19:39:40,059 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 [2021-07-06 19:39:40,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:39:40,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:39:40,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:39:40,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:39:40,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:39:40,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:39:40,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:39:40,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:39:40,116 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 [2021-07-06 19:39:40,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:40,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:39:40,121 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) [2021-07-06 19:39:40,122 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 [2021-07-06 19:39:40,124 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 [2021-07-06 19:39:40,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:39:40,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:39:40,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:39:40,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:39:40,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:39:40,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:39:40,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:39:40,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 19:39:40,167 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-07-06 19:39:40,167 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-07-06 19:39:40,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:39:40,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:39:40,173 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) [2021-07-06 19:39:40,175 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 [2021-07-06 19:39:40,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 19:39:40,176 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-07-06 19:39:40,176 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 19:39:40,176 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~material_length~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~material_length~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2021-07-06 19:39:40,203 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 [2021-07-06 19:39:40,206 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-07-06 19:39:40,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:39:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:39:40,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-06 19:39:40,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:39:40,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:39:40,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:39:40,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:39:40,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:39:40,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:39:40,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:39:40,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:39:40,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:39:40,284 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 [2021-07-06 19:39:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:39:40,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-06 19:39:40,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:39:40,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:39:40,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:39:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:39:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:39:40,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:39:40,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:39:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 19:39:40,342 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-07-06 19:39:40,343 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-07-06 19:39:40,385 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 57 states and 71 transitions. Complement of second has 7 states. [2021-07-06 19:39:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-07-06 19:39:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-07-06 19:39:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2021-07-06 19:39:40,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 9 letters. [2021-07-06 19:39:40,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:39:40,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 12 letters. Loop has 9 letters. [2021-07-06 19:39:40,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:39:40,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 18 letters. [2021-07-06 19:39:40,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:39:40,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 71 transitions. [2021-07-06 19:39:40,394 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:39:40,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 0 states and 0 transitions. [2021-07-06 19:39:40,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 19:39:40,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 19:39:40,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 19:39:40,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:39:40,398 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:39:40,398 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:39:40,398 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:39:40,398 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 19:39:40,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 19:39:40,398 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:39:40,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:39:40,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:39:40 BoogieIcfgContainer [2021-07-06 19:39:40,402 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:39:40,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:39:40,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:39:40,403 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:39:40,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:39:38" (3/4) ... [2021-07-06 19:39:40,406 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:39:40,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:39:40,407 INFO L168 Benchmark]: Toolchain (without parser) took 2372.09 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.6 MB in the beginning and 45.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-07-06 19:39:40,407 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:39:40,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.72 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 51.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:39:40,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.52 ms. Allocated memory is still 67.1 MB. Free memory was 51.4 MB in the beginning and 49.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:39:40,409 INFO L168 Benchmark]: Boogie Preprocessor took 36.01 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:39:40,409 INFO L168 Benchmark]: RCFGBuilder took 333.39 ms. Allocated memory is still 67.1 MB. Free memory was 48.7 MB in the beginning and 36.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 19:39:40,410 INFO L168 Benchmark]: BuchiAutomizer took 1709.92 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.8 MB in the beginning and 46.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-07-06 19:39:40,410 INFO L168 Benchmark]: Witness Printer took 3.00 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 45.6 MB in the end (delta: 494.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:39:40,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 226.72 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 51.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.52 ms. Allocated memory is still 67.1 MB. Free memory was 51.4 MB in the beginning and 49.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.01 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 333.39 ms. Allocated memory is still 67.1 MB. Free memory was 48.7 MB in the beginning and 36.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1709.92 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.8 MB in the beginning and 46.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.00 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 45.6 MB in the end (delta: 494.3 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 -1 * j + material_length and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 20 SDslu, 14 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf48 smp100 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 19:39:40,445 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...