./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/loops/terminator_03-2.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 a269e8b2c2a55ee83f0497e8cbfb0a6499d0714f .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:49:27,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:49:27,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:49:27,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:49:27,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:49:27,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:49:27,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:49:27,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:49:27,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:49:27,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:49:27,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:49:27,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:49:27,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:49:27,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:49:27,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:49:27,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:49:27,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:49:27,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:49:27,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:49:27,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:49:27,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:49:27,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:49:27,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:49:27,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:49:27,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:49:27,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:49:27,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:49:27,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:49:27,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:49:27,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:49:27,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:49:27,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:49:27,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:49:27,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:49:27,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:49:27,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:49:27,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:49:27,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:49:27,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:49:27,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:49:27,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:49:27,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:49:27,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:49:27,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:49:27,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:49:27,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:49:27,509 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:49:27,509 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:49:27,509 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:49:27,510 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:49:27,510 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:49:27,510 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:49:27,510 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:49:27,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:49:27,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:49:27,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:49:27,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:49:27,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:49:27,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:49:27,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:49:27,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:49:27,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:49:27,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:49:27,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:49:27,515 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:49:27,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:49:27,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:49:27,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:49:27,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:49:27,517 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:49:27,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:49:27,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:49:27,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:49:27,517 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:49:27,520 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:49:27,520 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 -> a269e8b2c2a55ee83f0497e8cbfb0a6499d0714f [2019-11-28 20:49:27,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:49:27,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:49:27,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:49:27,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:49:27,915 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:49:27,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_03-2.i [2019-11-28 20:49:27,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566757fab/16332c6b22ae4c9384b4e808595a1b88/FLAGdda16533d [2019-11-28 20:49:28,376 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:49:28,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_03-2.i [2019-11-28 20:49:28,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566757fab/16332c6b22ae4c9384b4e808595a1b88/FLAGdda16533d [2019-11-28 20:49:28,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566757fab/16332c6b22ae4c9384b4e808595a1b88 [2019-11-28 20:49:28,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:49:28,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:49:28,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:49:28,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:49:28,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:49:28,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:49:28" (1/1) ... [2019-11-28 20:49:28,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34aca8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:28, skipping insertion in model container [2019-11-28 20:49:28,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:49:28" (1/1) ... [2019-11-28 20:49:28,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:49:28,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:49:29,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:49:29,080 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:49:29,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:49:29,118 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:49:29,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29 WrapperNode [2019-11-28 20:49:29,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:49:29,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:49:29,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:49:29,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:49:29,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:49:29,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:49:29,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:49:29,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:49:29,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (1/1) ... [2019-11-28 20:49:29,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:49:29,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:49:29,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:49:29,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:49:29,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (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 [2019-11-28 20:49:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:49:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:49:29,473 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:49:29,473 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 20:49:29,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:49:29 BoogieIcfgContainer [2019-11-28 20:49:29,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:49:29,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:49:29,475 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:49:29,478 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:49:29,478 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:49:29,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:49:28" (1/3) ... [2019-11-28 20:49:29,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ce9b754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:49:29, skipping insertion in model container [2019-11-28 20:49:29,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:49:29,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:29" (2/3) ... [2019-11-28 20:49:29,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ce9b754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:49:29, skipping insertion in model container [2019-11-28 20:49:29,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:49:29,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:49:29" (3/3) ... [2019-11-28 20:49:29,482 INFO L371 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2019-11-28 20:49:29,533 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:49:29,533 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:49:29,533 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:49:29,534 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:49:29,534 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:49:29,534 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:49:29,534 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:49:29,535 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:49:29,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 20:49:29,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:49:29,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:29,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:29,625 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:49:29,625 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 20:49:29,626 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:49:29,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 20:49:29,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:49:29,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:29,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:29,628 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:49:29,628 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 20:49:29,637 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 10#L14true assume !!(main_~y~0 <= 1000000); 3#L15true assume main_~y~0 > 0; 11#L16-2true [2019-11-28 20:49:29,638 INFO L796 eck$LassoCheckResult]: Loop: 11#L16-2true assume !!(main_~x~0 < 100);main_~x~0 := main_~x~0 + main_~y~0; 11#L16-2true [2019-11-28 20:49:29,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:29,646 INFO L82 PathProgramCache]: Analyzing trace with hash 30947, now seen corresponding path program 1 times [2019-11-28 20:49:29,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:29,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579716074] [2019-11-28 20:49:29,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:29,752 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:29,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:29,754 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times [2019-11-28 20:49:29,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:29,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428498252] [2019-11-28 20:49:29,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:29,766 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:29,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:29,768 INFO L82 PathProgramCache]: Analyzing trace with hash 959375, now seen corresponding path program 1 times [2019-11-28 20:49:29,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:29,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831767014] [2019-11-28 20:49:29,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:29,785 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:29,879 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:29,880 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:29,880 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:29,880 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:29,880 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:49:29,881 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:29,881 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:29,881 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:29,881 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2019-11-28 20:49:29,881 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:29,882 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:29,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:29,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:29,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:29,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:30,005 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:30,006 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:30,013 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:49:30,013 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:49:30,021 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:49:30,021 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 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 [2019-11-28 20:49:30,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:49:30,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:49:30,041 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:49:30,041 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 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 [2019-11-28 20:49:30,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:49:30,051 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2019-11-28 20:49:30,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:49:30,067 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:49:30,079 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:49:30,081 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:30,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:30,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:30,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:30,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:49:30,082 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:30,082 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:30,082 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:30,082 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2019-11-28 20:49:30,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:30,082 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:30,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:30,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:30,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:30,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:30,176 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:30,183 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 20:49:30,199 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 [2019-11-28 20:49:30,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:30,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:30,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:30,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:30,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:30,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:30,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:30,211 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:30,228 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 [2019-11-28 20:49:30,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:30,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:30,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:30,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:30,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:30,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:30,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:30,237 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:30,255 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 [2019-11-28 20:49:30,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:30,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:30,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:30,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:30,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:30,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:49:30,293 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:49:30,326 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 20:49:30,326 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. 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) [2019-11-28 20:49:30,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:30,339 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 20:49:30,340 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:49:30,340 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2019-11-28 20:49:30,349 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-28 20:49:30,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:30,410 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 20:49:30,412 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:30,426 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:49:30,427 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:30,445 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 [2019-11-28 20:49:30,447 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2019-11-28 20:49:30,513 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 34 states and 41 transitions. Complement of second has 5 states. [2019-11-28 20:49:30,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 20:49:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2019-11-28 20:49:30,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-28 20:49:30,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:30,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 4 letters. Loop has 1 letters. [2019-11-28 20:49:30,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:30,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 20:49:30,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:30,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2019-11-28 20:49:30,526 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:49:30,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2019-11-28 20:49:30,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:49:30,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:49:30,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:49:30,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:49:30,531 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:30,531 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:30,532 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:30,532 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:49:30,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:49:30,532 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:49:30,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:49:30,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:49:30 BoogieIcfgContainer [2019-11-28 20:49:30,539 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:49:30,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:49:30,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:49:30,540 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:49:30,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:49:29" (3/4) ... [2019-11-28 20:49:30,545 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:49:30,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:49:30,548 INFO L168 Benchmark]: Toolchain (without parser) took 1747.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 961.7 MB in the beginning and 948.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 94.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:30,549 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:49:30,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.29 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:30,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:30,552 INFO L168 Benchmark]: Boogie Preprocessor took 17.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:49:30,553 INFO L168 Benchmark]: RCFGBuilder took 243.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:30,554 INFO L168 Benchmark]: BuchiAutomizer took 1064.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.4 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:30,554 INFO L168 Benchmark]: Witness Printer took 5.48 ms. Allocated memory is still 1.1 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:49:30,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.29 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 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 89.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 243.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1064.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.4 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.48 ms. Allocated memory is still 1.1 GB. Free memory is still 948.4 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 -2 * x + 199 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 17 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 99ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...