./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/afnp2014.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/afnp2014.i -s /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer --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 d51c6cc706e0ce829ba547908cd819c55d1b3081 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:15,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:15,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:15,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:15,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:15,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:15,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:15,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:15,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:15,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:15,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:15,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:15,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:15,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:15,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:15,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:15,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:15,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:15,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:15,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:15,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:15,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:15,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:15,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:15,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:15,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:15,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:15,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:15,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:15,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:15,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:15,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:15,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:15,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:15,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:15,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:15,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:15,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:15,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:15,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:15,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:15,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:54:15,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:15,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:15,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:15,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:15,939 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:15,940 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:54:15,940 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:54:15,940 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:54:15,940 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:54:15,940 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:54:15,940 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:54:15,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:15,941 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:15,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:15,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:15,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:15,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:15,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:54:15,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:54:15,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:54:15,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:15,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:15,946 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:54:15,946 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:15,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:54:15,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:15,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:15,947 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:54:15,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:15,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:15,947 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:54:15,948 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:54:15,948 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer 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 -> d51c6cc706e0ce829ba547908cd819c55d1b3081 [2019-10-22 08:54:15,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:16,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:16,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:16,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:16,008 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:16,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/../../sv-benchmarks/c/loop-lit/afnp2014.i [2019-10-22 08:54:16,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/data/0434850cf/c3de91a9c89f49cca98cec39568dd00f/FLAGa8e0705b5 [2019-10-22 08:54:16,447 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:16,447 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/sv-benchmarks/c/loop-lit/afnp2014.i [2019-10-22 08:54:16,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/data/0434850cf/c3de91a9c89f49cca98cec39568dd00f/FLAGa8e0705b5 [2019-10-22 08:54:16,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/data/0434850cf/c3de91a9c89f49cca98cec39568dd00f [2019-10-22 08:54:16,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:16,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:16,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:16,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:16,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:16,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659bfd34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16, skipping insertion in model container [2019-10-22 08:54:16,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:16,500 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:16,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:16,681 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:16,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:16,705 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:16,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16 WrapperNode [2019-10-22 08:54:16,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:16,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:16,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:16,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:16,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:16,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:16,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:16,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:16,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:16,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:16,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:16,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:16,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/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 [2019-10-22 08:54:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:16,952 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:16,952 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:54:16,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:16 BoogieIcfgContainer [2019-10-22 08:54:16,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:16,955 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:54:16,955 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:54:16,959 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:54:16,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:16,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:54:16" (1/3) ... [2019-10-22 08:54:16,961 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e13bc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:16, skipping insertion in model container [2019-10-22 08:54:16,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:16,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (2/3) ... [2019-10-22 08:54:16,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e13bc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:16, skipping insertion in model container [2019-10-22 08:54:16,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:16,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:16" (3/3) ... [2019-10-22 08:54:16,963 INFO L371 chiAutomizerObserver]: Analyzing ICFG afnp2014.i [2019-10-22 08:54:17,013 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:54:17,013 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:54:17,013 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:54:17,014 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:17,014 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:17,014 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:54:17,014 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:17,014 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:54:17,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-10-22 08:54:17,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:54:17,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:17,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:17,064 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:54:17,065 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:54:17,065 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:54:17,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-10-22 08:54:17,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:54:17,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:17,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:17,067 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:54:17,067 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:54:17,075 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := 0; 6#L13-2true [2019-10-22 08:54:17,075 INFO L793 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~y~0 < 1000 && 0 != main_#t~nondet1);havoc main_#t~nondet1;main_~x~0 := main_~x~0 + main_~y~0;main_~y~0 := 1 + main_~y~0; 6#L13-2true [2019-10-22 08:54:17,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,081 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:54:17,088 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:17,089 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001769649] [2019-10-22 08:54:17,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:17,188 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:17,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,189 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-10-22 08:54:17,189 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:17,189 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341047914] [2019-10-22 08:54:17,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:17,205 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:17,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 08:54:17,208 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:17,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146923070] [2019-10-22 08:54:17,208 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,208 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:17,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:17,221 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:17,334 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-10-22 08:54:17,397 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:54:17,397 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:54:17,397 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:54:17,397 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:54:17,398 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:54:17,398 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:17,398 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:54:17,398 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:54:17,398 INFO L131 ssoRankerPreferences]: Filename of dumped script: afnp2014.i_Iteration1_Loop [2019-10-22 08:54:17,398 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:54:17,398 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:54:17,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:17,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:17,496 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:54:17,497 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/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 [2019-10-22 08:54:17,506 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:54:17,506 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18804ca1-7e19-4f6e-8912-0079c95ee72c/bin/uautomizer/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 [2019-10-22 08:54:17,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:54:17,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:54:17,531 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:54:17,533 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:54:17,533 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:54:17,533 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:54:17,533 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:54:17,533 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:54:17,533 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:17,533 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:54:17,534 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:54:17,534 INFO L131 ssoRankerPreferences]: Filename of dumped script: afnp2014.i_Iteration1_Loop [2019-10-22 08:54:17,534 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:54:17,534 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:54:17,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:17,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:17,612 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:54:17,617 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:54:17,619 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 [2019-10-22 08:54:17,621 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:54:17,621 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:54:17,621 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:54:17,622 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:54:17,622 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:54:17,624 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:54:17,624 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:54:17,637 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:54:17,647 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:54:17,647 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:54:17,649 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:54:17,649 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:54:17,650 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:54:17,653 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 1999 Supporting invariants [] [2019-10-22 08:54:17,656 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:54:17,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:17,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:17,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:17,723 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:54:17,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:17,736 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-10-22 08:54:17,737 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2019-10-22 08:54:17,774 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 24 states and 29 transitions. Complement of second has 5 states. [2019-10-22 08:54:17,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-10-22 08:54:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-10-22 08:54:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-10-22 08:54:17,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 1 letters. Loop has 1 letters. [2019-10-22 08:54:17,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:17,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 1 letters. [2019-10-22 08:54:17,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:17,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2019-10-22 08:54:17,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:17,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-10-22 08:54:17,783 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:17,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-10-22 08:54:17,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:54:17,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:54:17,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:54:17,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:17,788 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:17,788 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:17,788 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:17,788 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:54:17,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:17,788 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:17,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:54:17,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:54:17 BoogieIcfgContainer [2019-10-22 08:54:17,795 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:54:17,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:17,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:17,796 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:17,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:16" (3/4) ... [2019-10-22 08:54:17,799 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:54:17,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:17,801 INFO L168 Benchmark]: Toolchain (without parser) took 1331.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,801 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:17,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.78 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,803 INFO L168 Benchmark]: Boogie Preprocessor took 15.92 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,804 INFO L168 Benchmark]: RCFGBuilder took 205.62 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,804 INFO L168 Benchmark]: BuchiAutomizer took 840.00 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,805 INFO L168 Benchmark]: Witness Printer took 4.14 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. [2019-10-22 08:54:17,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 234.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.78 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.92 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 205.62 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 840.00 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.14 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. * 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 * y + 1999 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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: 6 SDtfs, 7 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp78 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...