./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/jm2006.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-lit/jm2006.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 a57214b8cc70a079b1a1b78b0ccf782486db0e4a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 02:08:12,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:08:12,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:08:12,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:08:12,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:08:12,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:08:12,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:08:12,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:08:12,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:08:12,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:08:12,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:08:12,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:08:12,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:08:12,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:08:12,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:08:12,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:08:12,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:08:12,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:08:12,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:08:12,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:08:12,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:08:12,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:08:12,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:08:12,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:08:12,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:08:12,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:08:12,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:08:12,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:08:12,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:08:12,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:08:12,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:08:12,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:08:12,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:08:12,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:08:12,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:08:12,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:08:12,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:08:12,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:08:12,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:08:12,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:08:12,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:08:12,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:08:12,465 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:08:12,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:08:12,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:08:12,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:08:12,467 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:08:12,467 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:08:12,467 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:08:12,468 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:08:12,468 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:08:12,468 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:08:12,468 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:08:12,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:08:12,469 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:08:12,469 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:08:12,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:08:12,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:08:12,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:08:12,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:08:12,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:08:12,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:08:12,470 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:08:12,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:08:12,471 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:08:12,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:08:12,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:08:12,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:08:12,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:08:12,472 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:08:12,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:08:12,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:08:12,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:08:12,474 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:08:12,475 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:08:12,475 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> a57214b8cc70a079b1a1b78b0ccf782486db0e4a [2020-07-29 02:08:12,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:08:12,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:08:12,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:08:12,796 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:08:12,797 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:08:12,798 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/jm2006.i [2020-07-29 02:08:12,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef578e2b4/538f5e39a8274977a877db3d192f38eb/FLAGb4baa1b60 [2020-07-29 02:08:13,304 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:08:13,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/jm2006.i [2020-07-29 02:08:13,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef578e2b4/538f5e39a8274977a877db3d192f38eb/FLAGb4baa1b60 [2020-07-29 02:08:13,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef578e2b4/538f5e39a8274977a877db3d192f38eb [2020-07-29 02:08:13,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:08:13,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:08:13,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:08:13,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:08:13,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:08:13,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:13,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@949e5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13, skipping insertion in model container [2020-07-29 02:08:13,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:13,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:08:13,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:08:13,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:08:13,931 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:08:13,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:08:13,963 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:08:13,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13 WrapperNode [2020-07-29 02:08:13,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:08:13,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:08:13,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:08:13,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:08:13,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:13,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:13,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:08:13,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:08:13,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:08:14,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:08:14,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:14,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:14,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:14,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:14,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:14,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:14,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... [2020-07-29 02:08:14,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:08:14,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:08:14,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:08:14,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:08:14,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:08:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:08:14,395 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:08:14,396 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 02:08:14,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:14 BoogieIcfgContainer [2020-07-29 02:08:14,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:08:14,400 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:08:14,400 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:08:14,404 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:08:14,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:14,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:08:13" (1/3) ... [2020-07-29 02:08:14,407 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72fb9bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:08:14, skipping insertion in model container [2020-07-29 02:08:14,407 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:14,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:13" (2/3) ... [2020-07-29 02:08:14,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72fb9bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:08:14, skipping insertion in model container [2020-07-29 02:08:14,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:14,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:14" (3/3) ... [2020-07-29 02:08:14,410 INFO L371 chiAutomizerObserver]: Analyzing ICFG jm2006.i [2020-07-29 02:08:14,463 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:08:14,463 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:08:14,463 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:08:14,464 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:08:14,464 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:08:14,464 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:08:14,464 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:08:14,464 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:08:14,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:14,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 02:08:14,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:14,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:14,512 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:08:14,512 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 02:08:14,512 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:08:14,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:14,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 02:08:14,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:14,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:14,516 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:08:14,516 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 02:08:14,522 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~post2, main_#t~post3, main_~i~0, main_~j~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L17true assume !!(main_~i~0 >= 0 && main_~j~0 >= 0);main_~x~0 := main_~i~0;main_~y~0 := main_~j~0; 9#L20-2true [2020-07-29 02:08:14,523 INFO L796 eck$LassoCheckResult]: Loop: 9#L20-2true assume !!(0 != main_~x~0);main_#t~post2 := main_~x~0;main_~x~0 := main_#t~post2 - 1;havoc main_#t~post2;main_#t~post3 := main_~y~0;main_~y~0 := main_#t~post3 - 1;havoc main_#t~post3; 9#L20-2true [2020-07-29 02:08:14,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:14,528 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2020-07-29 02:08:14,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:14,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526285916] [2020-07-29 02:08:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:14,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:14,604 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:14,620 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:14,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:14,622 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2020-07-29 02:08:14,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:14,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643434233] [2020-07-29 02:08:14,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:14,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:14,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:14,639 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:14,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:14,641 INFO L82 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2020-07-29 02:08:14,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:14,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552766402] [2020-07-29 02:08:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:14,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:14,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:14,664 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:14,742 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:14,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:14,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:14,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:14,744 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 02:08:14,744 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:14,744 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:14,744 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:14,745 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006.i_Iteration1_Loop [2020-07-29 02:08:14,745 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:14,745 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:14,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:14,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:14,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:14,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:14,955 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:14,956 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:14,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:14,963 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:14,972 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:14,972 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:15,010 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:15,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 02:08:15,056 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:15,057 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~y~0=7}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [10, 1, 1] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:15,095 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:15,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 02:08:15,167 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:15,167 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 1] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:15,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:15,207 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,212 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:15,213 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3=0} Honda state: {ULTIMATE.start_main_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-07-29 02:08:15,308 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:15,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:15,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:15,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:15,309 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 02:08:15,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,310 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:15,310 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:15,310 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006.i_Iteration1_Lasso [2020-07-29 02:08:15,310 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:15,310 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:15,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,612 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:15,612 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:15,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:15,616 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,620 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:15,620 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:15,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 02:08:15,651 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:15,652 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3=0} Honda state: {ULTIMATE.start_main_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:15,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 02:08:15,700 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:15,700 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:15,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:15,746 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,751 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:15,751 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:15,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:15,800 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:15,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:15,857 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,912 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 02:08:15,914 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:15,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:15,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:15,915 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:15,915 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 02:08:15,915 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:15,915 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:15,915 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:15,916 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006.i_Iteration1_Lasso [2020-07-29 02:08:15,916 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:15,916 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:15,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:15,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:16,149 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:16,155 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:16,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:08:16,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:16,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:16,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:16,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:16,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:16,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:16,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:16,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:16,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:08:16,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:16,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:16,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:16,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:16,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:16,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:16,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:08:16,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:16,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:08:16,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:16,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:16,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:16,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:16,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:16,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:16,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:16,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:16,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:08:16,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:16,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:16,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:16,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:16,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:16,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:16,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:08:16,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:16,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:08:16,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:16,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:16,340 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 02:08:16,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:16,355 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-07-29 02:08:16,355 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-29 02:08:16,377 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 02:08:16,477 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-07-29 02:08:16,478 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:16,484 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 02:08:16,489 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-07-29 02:08:16,490 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 02:08:16,490 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~x~0 >= 0] [2020-07-29 02:08:16,527 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 02:08:16,533 INFO L393 LassoCheck]: Loop: "assume !!(0 != main_~x~0);main_#t~post2 := main_~x~0;main_~x~0 := main_#t~post2 - 1;havoc main_#t~post2;main_#t~post3 := main_~y~0;main_~y~0 := main_#t~post3 - 1;havoc main_#t~post3;" [2020-07-29 02:08:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:16,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:16,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 02:08:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:16,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:16,602 INFO L280 TraceCheckUtils]: 0: Hoare triple {20#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~post2, main_#t~post3, main_~i~0, main_~j~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1; {20#unseeded} is VALID [2020-07-29 02:08:16,603 INFO L280 TraceCheckUtils]: 1: Hoare triple {20#unseeded} assume !!(main_~i~0 >= 0 && main_~j~0 >= 0);main_~x~0 := main_~i~0;main_~y~0 := main_~j~0; {39#(and (>= ULTIMATE.start_main_~x~0 0) unseeded)} is VALID [2020-07-29 02:08:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:16,609 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 02:08:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:16,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:16,614 INFO L280 TraceCheckUtils]: 0: Hoare triple {40#(and (>= oldRank0 ULTIMATE.start_main_~x~0) (>= ULTIMATE.start_main_~x~0 0))} assume !!(0 != main_~x~0);main_#t~post2 := main_~x~0;main_~x~0 := main_#t~post2 - 1;havoc main_#t~post2;main_#t~post3 := main_~y~0;main_~y~0 := main_#t~post3 - 1;havoc main_#t~post3; {42#(and (>= ULTIMATE.start_main_~x~0 0) (or (and (> oldRank0 ULTIMATE.start_main_~x~0) (>= oldRank0 0)) unseeded))} is VALID [2020-07-29 02:08:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:08:16,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 02:08:16,636 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:08:16,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,646 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-07-29 02:08:16,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 2 states. [2020-07-29 02:08:16,740 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 2 states. Result 28 states and 36 transitions. Complement of second has 5 states. [2020-07-29 02:08:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 02:08:16,741 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:16,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:16,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 02:08:16,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:16,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:16,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 02:08:16,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 02:08:16,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:16,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:16,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2020-07-29 02:08:16,750 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:16,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:16,752 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 10 states. [2020-07-29 02:08:16,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 02:08:16,754 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 02:08:16,755 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 02:08:16,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 02:08:16,758 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:08:16,758 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 28 states and 36 transitions. cyclomatic complexity: 9 [2020-07-29 02:08:16,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. cyclomatic complexity: 9 [2020-07-29 02:08:16,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:16,759 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 02:08:16,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 36 transitions. cyclomatic complexity: 9 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:16,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:16,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 36 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:16,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 28 letters. Loop has 28 letters. [2020-07-29 02:08:16,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 28 letters. Loop has 28 letters. [2020-07-29 02:08:16,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 36 transitions. cyclomatic complexity: 9 Stem has 28 letters. Loop has 28 letters. [2020-07-29 02:08:16,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:16,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:16,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 36 transitions. cyclomatic complexity: 9 Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:16,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:16,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:16,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 36 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:16,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 36 transitions. cyclomatic complexity: 9 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 36 transitions. cyclomatic complexity: 9 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:16,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:16,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 36 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:16,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,770 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:16,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 02:08:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2020-07-29 02:08:16,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:16,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:16,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:16,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:16,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. cyclomatic complexity: 9 [2020-07-29 02:08:16,784 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:16,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2020-07-29 02:08:16,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 02:08:16,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 02:08:16,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 02:08:16,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:08:16,795 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:16,796 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:16,796 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:16,796 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:08:16,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 02:08:16,796 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:16,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:16,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:08:16 BoogieIcfgContainer [2020-07-29 02:08:16,805 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:08:16,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:08:16,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:08:16,806 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:08:16,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:14" (3/4) ... [2020-07-29 02:08:16,812 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:08:16,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:08:16,816 INFO L168 Benchmark]: Toolchain (without parser) took 3122.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 954.9 MB in the beginning and 853.2 MB in the end (delta: 101.7 MB). Peak memory consumption was 236.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:16,817 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:16,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.65 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:16,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.51 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:16,827 INFO L168 Benchmark]: Boogie Preprocessor took 79.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:16,828 INFO L168 Benchmark]: RCFGBuilder took 319.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:16,829 INFO L168 Benchmark]: BuchiAutomizer took 2405.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.2 MB in the end (delta: 252.4 MB). Peak memory consumption was 252.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:16,830 INFO L168 Benchmark]: Witness Printer took 6.26 ms. Allocated memory is still 1.2 GB. Free memory is still 853.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:16,842 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.65 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.51 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 319.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2405.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.2 MB in the end (delta: 252.4 MB). Peak memory consumption was 252.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.26 ms. Allocated memory is still 1.2 GB. Free memory is still 853.2 MB. There was no memory consumed. Max. memory is 11.5 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 x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 12 SDtfs, 12 SDslu, 7 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf94 smp100 dnf147 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 154ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...