./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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/sum01-2.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 3ef497a13bffaa6a3ec01f2d87f935fee9ff2c5a ........................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:25:11,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:25:11,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:25:11,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:25:11,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:25:11,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:25:11,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:25:11,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:25:11,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:25:11,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:25:11,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:25:11,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:25:11,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:25:11,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:25:11,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:25:11,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:25:11,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:25:11,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:25:11,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:25:11,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:25:11,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:25:11,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:25:11,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:25:11,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:25:11,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:25:11,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:25:11,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:25:11,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:25:11,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:25:11,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:25:11,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:25:11,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:25:11,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:25:11,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:25:11,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:25:11,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:25:11,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:25:11,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:25:11,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:25:11,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:25:11,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:25:11,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:25:11,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:25:11,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:25:11,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:25:11,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:25:11,567 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:25:11,567 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:25:11,567 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:25:11,567 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:25:11,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:25:11,568 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:25:11,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:25:11,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:25:11,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:25:11,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:25:11,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:25:11,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:25:11,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:25:11,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:25:11,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:25:11,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:25:11,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:25:11,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:25:11,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:25:11,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:25:11,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:25:11,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:25:11,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:25:11,571 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:25:11,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:25:11,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:25:11,572 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:25:11,573 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:25:11,573 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 -> 3ef497a13bffaa6a3ec01f2d87f935fee9ff2c5a [2019-11-19 22:25:11,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:25:11,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:25:11,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:25:11,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:25:11,894 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:25:11,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01-2.i [2019-11-19 22:25:11,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f15773580/fb23aaa54c9741a4a39b1392324360a1/FLAG4817941f8 [2019-11-19 22:25:12,409 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:25:12,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01-2.i [2019-11-19 22:25:12,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f15773580/fb23aaa54c9741a4a39b1392324360a1/FLAG4817941f8 [2019-11-19 22:25:12,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f15773580/fb23aaa54c9741a4a39b1392324360a1 [2019-11-19 22:25:12,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:25:12,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:25:12,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:25:12,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:25:12,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:25:12,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:25:12" (1/1) ... [2019-11-19 22:25:12,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfeabe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:12, skipping insertion in model container [2019-11-19 22:25:12,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:25:12" (1/1) ... [2019-11-19 22:25:12,863 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:25:12,880 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:25:13,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:25:13,103 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:25:13,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:25:13,130 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:25:13,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13 WrapperNode [2019-11-19 22:25:13,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:25:13,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:25:13,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:25:13,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:25:13,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:25:13,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:25:13,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:25:13,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:25:13,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (1/1) ... [2019-11-19 22:25:13,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:25:13,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:25:13,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:25:13,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:25:13,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (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 [2019-11-19 22:25:13,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:25:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:25:13,468 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:25:13,469 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:25:13,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:13 BoogieIcfgContainer [2019-11-19 22:25:13,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:25:13,471 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:25:13,471 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:25:13,474 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:25:13,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:25:13,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:25:12" (1/3) ... [2019-11-19 22:25:13,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78611b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:25:13, skipping insertion in model container [2019-11-19 22:25:13,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:25:13,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:13" (2/3) ... [2019-11-19 22:25:13,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78611b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:25:13, skipping insertion in model container [2019-11-19 22:25:13,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:25:13,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:13" (3/3) ... [2019-11-19 22:25:13,478 INFO L371 chiAutomizerObserver]: Analyzing ICFG sum01-2.i [2019-11-19 22:25:13,523 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:25:13,524 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:25:13,524 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:25:13,524 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:25:13,524 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:25:13,524 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:25:13,525 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:25:13,525 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:25:13,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-19 22:25:13,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:25:13,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:25:13,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:25:13,560 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:25:13,561 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:25:13,561 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:25:13,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-19 22:25:13,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:25:13,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:25:13,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:25:13,563 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:25:13,563 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:25:13,569 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~sn~0 := 0; 10#L13true assume !!(main_~n~0 < 1000 && main_~n~0 >= -1000);main_~i~0 := 1; 6#L14-3true [2019-11-19 22:25:13,570 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-3true assume !!(main_~i~0 <= main_~n~0);main_~sn~0 := 2 + main_~sn~0; 8#L14-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 6#L14-3true [2019-11-19 22:25:13,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:25:13,575 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-19 22:25:13,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:25:13,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856334032] [2019-11-19 22:25:13,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:25:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:13,693 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:25:13,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:25:13,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1411, now seen corresponding path program 1 times [2019-11-19 22:25:13,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:25:13,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297157007] [2019-11-19 22:25:13,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:25:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:13,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:25:13,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:25:13,714 INFO L82 PathProgramCache]: Analyzing trace with hash 959528, now seen corresponding path program 1 times [2019-11-19 22:25:13,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:25:13,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457391552] [2019-11-19 22:25:13,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:25:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:13,732 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:25:13,848 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:25:13,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:25:13,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:25:13,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:25:13,850 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:25:13,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:13,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:25:13,851 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:25:13,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01-2.i_Iteration1_Loop [2019-11-19 22:25:13,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:25:13,852 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:25:13,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:13,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:13,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:13,981 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:25:13,981 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 [2019-11-19 22:25:13,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:25:13,993 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2019-11-19 22:25:14,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:25:14,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:25:14,033 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:25:14,034 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=5}, {ULTIMATE.start_main_~sn~0=4}, {ULTIMATE.start_main_~sn~0=-7}] Lambdas: [1, 1, 1] Nus: [0, 0] 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 [2019-11-19 22:25:14,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:25:14,046 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 [2019-11-19 22:25:14,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:25:14,065 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:25:14,190 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:25:14,193 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:25:14,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:25:14,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:25:14,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:25:14,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:25:14,194 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:14,194 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:25:14,194 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:25:14,194 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01-2.i_Iteration1_Loop [2019-11-19 22:25:14,194 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:25:14,194 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:25:14,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:14,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:14,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:14,291 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:25:14,299 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) [2019-11-19 22:25:14,311 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 [2019-11-19 22:25:14,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:25:14,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:14,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:25:14,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:25:14,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:25:14,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:25:14,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:25:14,334 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) [2019-11-19 22:25:14,357 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 [2019-11-19 22:25:14,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:25:14,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:25:14,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:25:14,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:25:14,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:25:14,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:25:14,364 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 [2019-11-19 22:25:14,368 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:25:14,375 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:25:14,375 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 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) [2019-11-19 22:25:14,388 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:14,389 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:25:14,389 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:25:14,390 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~n~0 - 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-11-19 22:25:14,395 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:25:14,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:25:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:25:14,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:25:14,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:25:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:25:14,483 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:25:14,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:25:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:25:14,517 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:25:14,518 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2019-11-19 22:25:14,573 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 27 states and 33 transitions. Complement of second has 7 states. [2019-11-19 22:25:14,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:25:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:25:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-19 22:25:14,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-19 22:25:14,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:25:14,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-19 22:25:14,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:25:14,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-19 22:25:14,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:25:14,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2019-11-19 22:25:14,586 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:25:14,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-11-19 22:25:14,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:25:14,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:25:14,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:25:14,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:25:14,592 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:25:14,592 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:25:14,593 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:25:14,593 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:25:14,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:25:14,593 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:25:14,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:25:14,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:25:14 BoogieIcfgContainer [2019-11-19 22:25:14,601 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:25:14,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:25:14,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:25:14,602 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:25:14,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:13" (3/4) ... [2019-11-19 22:25:14,606 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:25:14,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:25:14,610 INFO L168 Benchmark]: Toolchain (without parser) took 1763.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -85.9 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:14,611 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. [2019-11-19 22:25:14,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.45 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:14,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -198.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:14,613 INFO L168 Benchmark]: Boogie Preprocessor took 21.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:25:14,614 INFO L168 Benchmark]: RCFGBuilder took 225.85 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:14,615 INFO L168 Benchmark]: BuchiAutomizer took 1130.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:14,616 INFO L168 Benchmark]: Witness Printer took 5.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:25:14,621 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 285.45 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 947.0 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 89.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -198.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 225.85 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1130.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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 * n + -2 * i + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 9 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...