./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01-1.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_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/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 5cba8acfa381c990ec40e4bf9e5d202ee845a576 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:01:52,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:52,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:52,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:52,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:52,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:52,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:52,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:52,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:52,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:52,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:52,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:52,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:52,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:52,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:52,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:52,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:52,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:52,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:52,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:52,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:52,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:52,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:52,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:52,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:52,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:52,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:52,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:52,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:52,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:52,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:52,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:52,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:52,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:52,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:52,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:52,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:52,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:52,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:52,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:52,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:52,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:01:52,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:52,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:52,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:52,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:52,998 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:52,998 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:01:52,998 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:01:52,998 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:01:52,998 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:01:52,999 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:01:52,999 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:01:52,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:52,999 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:52,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:01:53,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:53,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:53,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:53,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:01:53,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:01:53,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:01:53,000 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:53,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:53,001 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:01:53,001 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:53,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:01:53,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:53,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:53,002 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:01:53,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:53,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:53,002 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:01:53,003 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:01:53,003 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_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/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 -> 5cba8acfa381c990ec40e4bf9e5d202ee845a576 [2019-10-22 09:01:53,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:53,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:53,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:53,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:53,040 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:53,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/../../sv-benchmarks/c/loops/sum01-1.i [2019-10-22 09:01:53,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/data/5611d8a18/cf3d045b115b426a9306c634e23d2691/FLAGf7e960488 [2019-10-22 09:01:53,463 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:53,463 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/sv-benchmarks/c/loops/sum01-1.i [2019-10-22 09:01:53,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/data/5611d8a18/cf3d045b115b426a9306c634e23d2691/FLAGf7e960488 [2019-10-22 09:01:53,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/data/5611d8a18/cf3d045b115b426a9306c634e23d2691 [2019-10-22 09:01:53,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:53,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:53,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:53,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:53,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:53,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ebe14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53, skipping insertion in model container [2019-10-22 09:01:53,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,495 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:53,506 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:53,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:53,636 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:53,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:53,722 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:53,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53 WrapperNode [2019-10-22 09:01:53,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:53,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:53,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:53,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:53,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:53,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:53,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:53,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:53,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:53,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:53,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:53,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:53,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/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 09:01:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:54,007 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:54,007 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:01:54,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:54 BoogieIcfgContainer [2019-10-22 09:01:54,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:54,009 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:01:54,009 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:01:54,015 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:01:54,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:54,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:01:53" (1/3) ... [2019-10-22 09:01:54,017 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:54, skipping insertion in model container [2019-10-22 09:01:54,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:54,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (2/3) ... [2019-10-22 09:01:54,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:54, skipping insertion in model container [2019-10-22 09:01:54,018 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:54,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:54" (3/3) ... [2019-10-22 09:01:54,020 INFO L371 chiAutomizerObserver]: Analyzing ICFG sum01-1.i [2019-10-22 09:01:54,084 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:01:54,091 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:01:54,091 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:01:54,091 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:54,091 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:54,091 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:01:54,091 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:54,091 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:01:54,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-10-22 09:01:54,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:01:54,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:54,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:54,161 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 09:01:54,161 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 09:01:54,161 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:01:54,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-10-22 09:01:54,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:01:54,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:54,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:54,171 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 09:01:54,171 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 09:01:54,178 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2019-10-22 09:01:54,178 INFO L793 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 10#L14true assume main_~i~0 < 10;main_~sn~0 := 2 + main_~sn~0; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2019-10-22 09:01:54,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,194 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 09:01:54,208 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748484166] [2019-10-22 09:01:54,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,322 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,324 INFO L82 PathProgramCache]: Analyzing trace with hash 38828, now seen corresponding path program 1 times [2019-10-22 09:01:54,324 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,324 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109678635] [2019-10-22 09:01:54,324 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,324 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,338 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,340 INFO L82 PathProgramCache]: Analyzing trace with hash 962349, now seen corresponding path program 1 times [2019-10-22 09:01:54,341 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554142891] [2019-10-22 09:01:54,341 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,341 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,377 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,420 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:01:54,421 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:01:54,421 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:01:54,421 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:01:54,421 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:01:54,421 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:54,421 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:01:54,421 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:01:54,422 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration1_Loop [2019-10-22 09:01:54,422 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:01:54,422 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:01:54,441 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 09:01:54,450 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 09:01:54,463 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 09:01:54,514 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:01:54,515 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/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) [2019-10-22 09:01:54,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:01:54,523 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/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) [2019-10-22 09:01:54,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:01:54,540 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 [2019-10-22 09:01:54,563 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:01:54,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=5}, {ULTIMATE.start_main_~sn~0=4}, {ULTIMATE.start_main_~sn~0=-7}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:01:54,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:01:54,571 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/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 [2019-10-22 09:01:54,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:01:54,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:01:54,596 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:01:54,598 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:01:54,598 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:01:54,598 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:01:54,598 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:01:54,598 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:01:54,598 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:54,598 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:01:54,599 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:01:54,599 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration1_Loop [2019-10-22 09:01:54,599 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:01:54,599 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:01:54,600 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 09:01:54,604 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 09:01:54,613 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 09:01:54,649 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:01:54,653 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:01:54,654 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 09:01:54,656 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:54,656 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:54,657 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:54,657 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:54,657 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:54,659 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:54,659 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:54,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:54,665 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 09:01:54,666 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:54,666 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:54,666 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:54,666 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:54,666 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:54,667 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:54,667 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:54,673 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:01:54,682 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 09:01:54,684 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 09:01:54,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:01:54,686 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 09:01:54,686 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:01:54,687 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 Supporting invariants [] [2019-10-22 09:01:54,689 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 09:01:54,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:54,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:54,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:54,751 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 09:01:54,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:54,767 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 09:01:54,781 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 09:01:54,783 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-10-22 09:01:54,847 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 31 states and 43 transitions. Complement of second has 7 states. [2019-10-22 09:01:54,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 09:01:54,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 09:01:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-10-22 09:01:54,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2019-10-22 09:01:54,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:54,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2019-10-22 09:01:54,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:54,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2019-10-22 09:01:54,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:54,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 43 transitions. [2019-10-22 09:01:54,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:01:54,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2019-10-22 09:01:54,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-10-22 09:01:54,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-10-22 09:01:54,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-10-22 09:01:54,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 09:01:54,863 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-10-22 09:01:54,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-10-22 09:01:54,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-10-22 09:01:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-10-22 09:01:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-10-22 09:01:54,889 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-10-22 09:01:54,889 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-10-22 09:01:54,890 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:01:54,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-10-22 09:01:54,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:01:54,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:54,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:54,893 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 09:01:54,893 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 09:01:54,893 INFO L791 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 85#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-10-22 09:01:54,893 INFO L793 eck$LassoCheckResult]: Loop: 81#L14 assume !(main_~i~0 < 10); 86#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 80#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-10-22 09:01:54,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-10-22 09:01:54,894 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,894 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433595390] [2019-10-22 09:01:54,894 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,894 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,911 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,913 INFO L82 PathProgramCache]: Analyzing trace with hash 43750, now seen corresponding path program 1 times [2019-10-22 09:01:54,913 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,913 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125128095] [2019-10-22 09:01:54,913 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,914 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:54,923 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:54,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,923 INFO L82 PathProgramCache]: Analyzing trace with hash 29834750, now seen corresponding path program 1 times [2019-10-22 09:01:54,923 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450108017] [2019-10-22 09:01:54,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:54,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450108017] [2019-10-22 09:01:54,967 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:54,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:54,968 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905595681] [2019-10-22 09:01:54,985 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:01:54,985 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:01:54,985 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:01:54,985 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:01:54,985 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:01:54,985 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:54,986 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:01:54,986 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:01:54,986 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration2_Loop [2019-10-22 09:01:54,986 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:01:54,986 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:01:54,987 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 09:01:54,990 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 09:01:55,021 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:01:55,021 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:55,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:01:55,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:01:55,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:01:55,027 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:55,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:01:55,040 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a1b99fa-9504-4589-8b67-b1aed5cf9a83/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:55,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:01:55,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:01:55,084 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:01:55,085 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:01:55,086 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:01:55,086 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:01:55,086 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:01:55,086 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:01:55,086 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:55,086 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:01:55,086 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:01:55,086 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration2_Loop [2019-10-22 09:01:55,086 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:01:55,086 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:01:55,087 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 09:01:55,089 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 09:01:55,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:01:55,117 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:01:55,118 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 09:01:55,119 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:55,119 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:55,119 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:55,119 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:55,119 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:55,120 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:55,120 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:55,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:55,121 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 09:01:55,121 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:55,122 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:55,122 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:55,122 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:55,122 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:55,122 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:55,123 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:55,127 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:01:55,134 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 09:01:55,134 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 09:01:55,135 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:01:55,135 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 09:01:55,135 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:01:55,135 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-10-22 09:01:55,136 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 09:01:55,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:55,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:55,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:55,158 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 09:01:55,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:55,171 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 09:01:55,171 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 09:01:55,171 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-10-22 09:01:55,202 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 17 states and 21 transitions. Complement of second has 6 states. [2019-10-22 09:01:55,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 09:01:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 09:01:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-10-22 09:01:55,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 3 letters. [2019-10-22 09:01:55,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:55,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 5 letters. Loop has 3 letters. [2019-10-22 09:01:55,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:55,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 6 letters. [2019-10-22 09:01:55,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:55,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2019-10-22 09:01:55,205 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:01:55,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-10-22 09:01:55,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:01:55,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:01:55,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:01:55,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:55,206 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:55,206 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:55,206 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:55,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:55,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:55,210 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-10-22 09:01:55,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:55,213 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 09:01:55,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:01:55,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 09:01:55,214 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:01:55,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:55,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:01:55,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:01:55,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:01:55,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:55,214 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:55,214 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:55,214 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:55,214 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 09:01:55,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:55,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:01:55,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:01:55,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:01:55 BoogieIcfgContainer [2019-10-22 09:01:55,221 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:01:55,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:55,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:55,221 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:55,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:54" (3/4) ... [2019-10-22 09:01:55,225 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:01:55,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:55,228 INFO L168 Benchmark]: Toolchain (without parser) took 1746.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.5 MB in the beginning and 999.7 MB in the end (delta: -55.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:55,228 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:55,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:55,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.02 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 09:01:55,230 INFO L168 Benchmark]: Boogie Preprocessor took 17.00 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 09:01:55,230 INFO L168 Benchmark]: RCFGBuilder took 240.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:55,231 INFO L168 Benchmark]: BuchiAutomizer took 1211.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.7 MB in the end (delta: 118.6 MB). Peak memory consumption was 118.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:55,231 INFO L168 Benchmark]: Witness Printer took 4.49 ms. Allocated memory is still 1.2 GB. Free memory is still 999.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:55,234 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.02 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. * Boogie Preprocessor took 17.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 240.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1211.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.7 MB in the end (delta: 118.6 MB). Peak memory consumption was 118.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.49 ms. Allocated memory is still 1.2 GB. Free memory is still 999.7 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf96 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 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...