./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c --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/recursive-simple/id_i25_o25-2.c -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 a544811fe2a74801350302afc46fb67e1c6f238a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:17:11,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:17:11,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:17:11,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:17:11,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:17:11,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:17:11,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:17:11,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:17:11,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:17:11,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:17:11,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:17:11,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:17:11,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:17:11,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:17:11,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:17:11,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:17:11,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:17:11,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:17:11,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:17:11,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:17:11,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:17:11,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:17:11,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:17:11,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:17:11,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:17:11,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:17:11,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:17:11,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:17:11,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:17:11,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:17:11,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:17:11,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:17:11,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:17:11,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:17:11,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:17:11,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:17:11,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:17:11,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:17:11,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:17:11,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:17:11,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:17:11,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:17:11,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:17:11,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:17:11,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:17:11,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:17:11,392 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:17:11,392 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:17:11,393 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:17:11,393 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:17:11,393 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:17:11,393 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:17:11,393 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:17:11,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:17:11,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:17:11,394 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:17:11,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:17:11,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:17:11,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:17:11,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:17:11,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:17:11,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:17:11,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:17:11,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:17:11,396 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:17:11,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:17:11,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:17:11,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:17:11,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:17:11,397 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:17:11,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:17:11,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:17:11,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:17:11,398 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:17:11,399 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:17:11,399 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 -> a544811fe2a74801350302afc46fb67e1c6f238a [2019-11-28 21:17:11,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:17:11,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:17:11,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:17:11,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:17:11,726 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:17:11,726 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-28 21:17:11,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1191fca/f7b96d3a3d174f93871f6f2e7bc2bd6a/FLAG1123c734c [2019-11-28 21:17:12,244 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:17:12,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-28 21:17:12,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1191fca/f7b96d3a3d174f93871f6f2e7bc2bd6a/FLAG1123c734c [2019-11-28 21:17:12,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1191fca/f7b96d3a3d174f93871f6f2e7bc2bd6a [2019-11-28 21:17:12,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:17:12,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:17:12,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:17:12,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:17:12,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:17:12,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0c7b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12, skipping insertion in model container [2019-11-28 21:17:12,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:17:12,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:17:12,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:17:12,815 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:17:12,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:17:12,845 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:17:12,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12 WrapperNode [2019-11-28 21:17:12,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:17:12,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:17:12,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:17:12,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:17:12,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:17:12,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:17:12,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:17:12,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:17:12,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (1/1) ... [2019-11-28 21:17:12,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:17:12,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:17:12,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:17:12,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:17:12,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (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 21:17:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:17:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:17:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-28 21:17:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-28 21:17:13,151 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:17:13,152 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 21:17:13,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:17:13 BoogieIcfgContainer [2019-11-28 21:17:13,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:17:13,154 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:17:13,154 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:17:13,157 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:17:13,158 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:17:13,158 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:17:12" (1/3) ... [2019-11-28 21:17:13,159 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72bb0f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:17:13, skipping insertion in model container [2019-11-28 21:17:13,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:17:13,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:17:12" (2/3) ... [2019-11-28 21:17:13,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72bb0f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:17:13, skipping insertion in model container [2019-11-28 21:17:13,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:17:13,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:17:13" (3/3) ... [2019-11-28 21:17:13,162 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i25_o25-2.c [2019-11-28 21:17:13,209 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:17:13,209 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:17:13,209 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:17:13,209 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:17:13,210 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:17:13,210 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:17:13,210 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:17:13,210 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:17:13,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-28 21:17:13,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 21:17:13,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:17:13,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:17:13,262 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 21:17:13,262 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 21:17:13,262 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:17:13,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-28 21:17:13,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 21:17:13,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:17:13,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:17:13,265 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 21:17:13,265 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 21:17:13,272 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 25; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2019-11-28 21:17:13,272 INFO L796 eck$LassoCheckResult]: Loop: 9#idENTRYtrue ~x := #in~x; 14#L5true assume !(0 == ~x); 11#L6true call #t~ret0 := id(~x - 1);< 9#idENTRYtrue [2019-11-28 21:17:13,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:17:13,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2019-11-28 21:17:13,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:17:13,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539646172] [2019-11-28 21:17:13,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:17:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:17:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:17:13,373 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:17:13,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:17:13,375 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2019-11-28 21:17:13,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:17:13,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020083418] [2019-11-28 21:17:13,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:17:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:17:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:17:13,388 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:17:13,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:17:13,390 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2019-11-28 21:17:13,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:17:13,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124999960] [2019-11-28 21:17:13,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:17:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:17:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:17:13,409 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:17:13,605 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:17:13,607 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:17:13,607 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:17:13,607 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:17:13,607 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 21:17:13,608 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:13,608 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:17:13,608 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:17:13,608 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i25_o25-2.c_Iteration1_Loop [2019-11-28 21:17:13,609 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:17:13,609 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:17:13,646 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 21:17:13,660 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 21:17:13,668 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 21:17:13,681 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 21:17:13,761 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:17:13,762 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) [2019-11-28 21:17:13,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 21:17:13,771 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:13,782 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 21:17:13,782 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=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) [2019-11-28 21:17:13,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 21:17:13,795 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:13,802 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 21:17:13,803 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=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 21:17:13,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 21:17:13,820 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 21:17:13,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 21:17:13,843 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 21:17:13,871 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 21:17:13,871 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-1} Honda state: {id_#in~x=-1} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=0}, {id_#in~x=0}] Lambdas: [1, 0, 5] Nus: [1, 0] 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 21:17:13,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 21:17:13,891 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:13,895 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 21:17:13,895 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-11-28 21:17:13,945 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:17:13,945 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:17:13,945 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:17:13,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:17:13,946 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 21:17:13,947 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:13,947 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:17:13,947 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:17:13,948 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i25_o25-2.c_Iteration1_Lasso [2019-11-28 21:17:13,948 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:17:13,948 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:17:13,950 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 21:17:13,953 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 21:17:13,963 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 21:17:13,969 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 21:17:13,972 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 21:17:13,976 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 21:17:13,979 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 21:17:13,981 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 21:17:13,985 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 21:17:14,074 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:17:14,076 INFO L404 LassoAnalysis]: Checking for nontermination... 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 21:17:14,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 21:17:14,083 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,088 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 21:17:14,089 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 21:17:14,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 21:17:14,103 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 21:17:14,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 21:17:14,123 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,143 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 21:17:14,147 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:17:14,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:17:14,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:17:14,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:17:14,148 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 21:17:14,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:17:14,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:17:14,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i25_o25-2.c_Iteration1_Lasso [2019-11-28 21:17:14,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:17:14,149 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:17:14,152 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 21:17:14,159 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 21:17:14,167 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 21:17:14,173 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 21:17:14,178 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 21:17:14,183 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 21:17:14,189 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 21:17:14,200 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 21:17:14,203 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 21:17:14,281 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:17:14,287 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,306 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 21:17:14,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:17:14,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:17:14,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:17:14,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:17:14,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:17:14,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:17:14,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:17:14,317 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 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:17:14,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:17:14,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:17:14,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:17:14,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:17:14,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:17:14,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:17:14,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:17:14,344 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:17:14,361 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 21:17:14,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:17:14,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:17:14,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:17:14,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:17:14,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:17:14,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:17:14,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,367 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:17:14,383 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 21:17:14,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:17:14,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:17:14,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:17:14,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:17:14,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:17:14,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:17:14,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,391 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:17:14,401 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 21:17:14,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:17:14,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:17:14,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:17:14,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:17:14,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:17:14,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:17:14,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:17:14,421 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 21:17:14,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:17:14,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:17:14,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:17:14,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:17:14,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:17:14,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:17:14,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:17:14,449 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 21:17:14,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:17:14,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:17:14,452 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 21:17:14,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,474 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-28 21:17:14,474 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 21:17:14,503 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 21:17:14,535 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-28 21:17:14,535 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:17:14,551 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 21:17:14,559 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-28 21:17:14,560 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 21:17:14,561 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2019-11-28 21:17:14,569 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-28 21:17:14,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:17:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:17:14,630 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 21:17:14,633 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:17:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:17:14,673 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 21:17:14,674 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:17:14,723 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 21:17:14,744 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-28 21:17:14,746 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-11-28 21:17:14,906 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 13 states. [2019-11-28 21:17:14,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 21:17:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 21:17:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-11-28 21:17:14,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-28 21:17:14,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:17:14,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-28 21:17:14,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:17:14,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-28 21:17:14,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:17:14,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-11-28 21:17:14,919 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:17:14,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-11-28 21:17:14,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 21:17:14,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 21:17:14,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 21:17:14,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:17:14,925 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:17:14,925 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:17:14,925 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:17:14,925 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:17:14,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 21:17:14,926 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:17:14,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 21:17:14,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:17:14 BoogieIcfgContainer [2019-11-28 21:17:14,933 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:17:14,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:17:14,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:17:14,936 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:17:14,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:17:13" (3/4) ... [2019-11-28 21:17:14,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 21:17:14,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:17:14,949 INFO L168 Benchmark]: Toolchain (without parser) took 2335.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.3 MB in the beginning and 927.0 MB in the end (delta: 25.3 MB). Peak memory consumption was 161.6 MB. Max. memory is 11.5 GB. [2019-11-28 21:17:14,950 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:17:14,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.10 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 21:17:14,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.24 ms. Allocated memory is still 1.0 GB. Free memory is still 941.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:17:14,955 INFO L168 Benchmark]: Boogie Preprocessor took 73.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 21:17:14,960 INFO L168 Benchmark]: RCFGBuilder took 198.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-11-28 21:17:14,960 INFO L168 Benchmark]: BuchiAutomizer took 1779.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.0 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:17:14,961 INFO L168 Benchmark]: Witness Printer took 11.36 ms. Allocated memory is still 1.2 GB. Free memory is still 927.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:17:14,970 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 234.10 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.24 ms. Allocated memory is still 1.0 GB. Free memory is still 941.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 198.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1779.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.0 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. * Witness Printer took 11.36 ms. Allocated memory is still 1.2 GB. Free memory is still 927.0 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 \old(x) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq202 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 121ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...