./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call_true-termination.c.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/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 225f0ddf9f4fc2bb07a34316827f4c052bf2e72a .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 00:41:31,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 00:41:31,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 00:41:31,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 00:41:31,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 00:41:31,982 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 00:41:31,983 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 00:41:31,984 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 00:41:31,985 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 00:41:31,986 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 00:41:31,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 00:41:31,987 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 00:41:31,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 00:41:31,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 00:41:31,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 00:41:31,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 00:41:31,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 00:41:31,991 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 00:41:31,992 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 00:41:31,993 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 00:41:31,994 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 00:41:31,995 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 00:41:31,996 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 00:41:31,996 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 00:41:31,997 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 00:41:31,997 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 00:41:31,998 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 00:41:31,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 00:41:31,999 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 00:41:32,000 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 00:41:32,000 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 00:41:32,000 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 00:41:32,000 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 00:41:32,001 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 00:41:32,001 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 00:41:32,002 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 00:41:32,002 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 00:41:32,012 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 00:41:32,012 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 00:41:32,013 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 00:41:32,013 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 00:41:32,013 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 00:41:32,013 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 00:41:32,013 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 00:41:32,013 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 00:41:32,013 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 00:41:32,014 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 00:41:32,014 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 00:41:32,014 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 00:41:32,014 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 00:41:32,014 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 00:41:32,014 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 00:41:32,014 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 00:41:32,014 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 00:41:32,014 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 00:41:32,015 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 00:41:32,015 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 00:41:32,015 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 00:41:32,015 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 00:41:32,015 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 00:41:32,015 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 00:41:32,015 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 00:41:32,015 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 00:41:32,015 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 00:41:32,015 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 00:41:32,016 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 00:41:32,016 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 00:41:32,016 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 00:41:32,016 INFO L133 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_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/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 -> 225f0ddf9f4fc2bb07a34316827f4c052bf2e72a [2018-11-10 00:41:32,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 00:41:32,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 00:41:32,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 00:41:32,050 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 00:41:32,051 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 00:41:32,051 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call_true-termination.c.i [2018-11-10 00:41:32,087 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/data/264d83ddb/25a2584003f94761a48d0352528eab81/FLAG839e54a54 [2018-11-10 00:41:32,482 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 00:41:32,482 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call_true-termination.c.i [2018-11-10 00:41:32,486 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/data/264d83ddb/25a2584003f94761a48d0352528eab81/FLAG839e54a54 [2018-11-10 00:41:32,494 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/uautomizer/data/264d83ddb/25a2584003f94761a48d0352528eab81 [2018-11-10 00:41:32,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 00:41:32,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 00:41:32,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 00:41:32,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 00:41:32,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 00:41:32,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdce2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32, skipping insertion in model container [2018-11-10 00:41:32,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 00:41:32,530 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 00:41:32,647 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:41:32,649 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 00:41:32,658 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:41:32,666 INFO L193 MainTranslator]: Completed translation [2018-11-10 00:41:32,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32 WrapperNode [2018-11-10 00:41:32,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 00:41:32,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 00:41:32,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 00:41:32,667 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 00:41:32,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 00:41:32,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 00:41:32,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 00:41:32,686 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 00:41:32,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... [2018-11-10 00:41:32,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 00:41:32,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 00:41:32,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 00:41:32,697 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 00:41:32,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/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 [2018-11-10 00:41:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 00:41:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 00:41:32,853 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 00:41:32,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:41:32 BoogieIcfgContainer [2018-11-10 00:41:32,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 00:41:32,854 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 00:41:32,854 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 00:41:32,857 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 00:41:32,857 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:41:32,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 12:41:32" (1/3) ... [2018-11-10 00:41:32,858 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43a8657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:41:32, skipping insertion in model container [2018-11-10 00:41:32,858 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:41:32,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:41:32" (2/3) ... [2018-11-10 00:41:32,859 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43a8657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:41:32, skipping insertion in model container [2018-11-10 00:41:32,859 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:41:32,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:41:32" (3/3) ... [2018-11-10 00:41:32,860 INFO L375 chiAutomizerObserver]: Analyzing ICFG gsv2008_true-unreach-call_true-termination.c.i [2018-11-10 00:41:32,903 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 00:41:32,903 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 00:41:32,903 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 00:41:32,904 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 00:41:32,904 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 00:41:32,904 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 00:41:32,904 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 00:41:32,904 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 00:41:32,904 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 00:41:32,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-10 00:41:32,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 00:41:32,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 00:41:32,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 00:41:32,932 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 00:41:32,932 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 00:41:32,933 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 00:41:32,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-10 00:41:32,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 00:41:32,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 00:41:32,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 00:41:32,934 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 00:41:32,934 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 00:41:32,938 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := -50;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 11#L14true assume !!(-1000 < main_~y~0 && main_~y~0 < 1000000); 7#L15-3true [2018-11-10 00:41:32,939 INFO L795 eck$LassoCheckResult]: Loop: 7#L15-3true assume true; 12#L15-1true assume !!(main_~x~0 < 0);main_~x~0 := main_~x~0 + main_~y~0;main_#t~post2 := main_~y~0;main_~y~0 := main_#t~post2 + 1;havoc main_#t~post2; 7#L15-3true [2018-11-10 00:41:32,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:41:32,942 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-11-10 00:41:32,943 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:41:32,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:41:32,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:41:32,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:41:32,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:41:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:41:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:41:33,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:41:33,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2018-11-10 00:41:33,007 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:41:33,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:41:33,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:41:33,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:41:33,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:41:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:41:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:41:33,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:41:33,014 INFO L82 PathProgramCache]: Analyzing trace with hash 28695818, now seen corresponding path program 1 times [2018-11-10 00:41:33,014 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:41:33,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:41:33,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:41:33,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:41:33,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:41:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:41:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:41:33,068 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 00:41:33,068 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 00:41:33,069 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 00:41:33,069 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 00:41:33,069 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 00:41:33,069 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 00:41:33,069 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 00:41:33,069 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 00:41:33,069 INFO L131 ssoRankerPreferences]: Filename of dumped script: gsv2008_true-unreach-call_true-termination.c.i_Iteration1_Loop [2018-11-10 00:41:33,069 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 00:41:33,070 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 00:41:33,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 00:41:33,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 00:41:33,139 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 00:41:33,140 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/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 [2018-11-10 00:41:33,143 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 00:41:33,143 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52e0e765-db08-4180-9932-d33d9529b50f/bin-2019/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 [2018-11-10 00:41:33,162 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 00:41:33,162 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 00:41:35,016 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 00:41:35,018 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 00:41:35,018 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 00:41:35,018 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 00:41:35,018 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 00:41:35,018 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 00:41:35,018 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 00:41:35,018 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 00:41:35,018 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 00:41:35,018 INFO L131 ssoRankerPreferences]: Filename of dumped script: gsv2008_true-unreach-call_true-termination.c.i_Iteration1_Loop [2018-11-10 00:41:35,018 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 00:41:35,018 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 00:41:35,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 00:41:35,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 00:41:35,056 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 00:41:35,059 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 00:41:35,060 INFO L122 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 [2018-11-10 00:41:35,061 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 00:41:35,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 00:41:35,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 00:41:35,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 00:41:35,062 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 00:41:35,064 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 00:41:35,064 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 00:41:35,073 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 00:41:35,073 INFO L122 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 [2018-11-10 00:41:35,074 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 00:41:35,074 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 00:41:35,074 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 00:41:35,074 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 00:41:35,074 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 00:41:35,075 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 00:41:35,075 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 00:41:35,076 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 00:41:35,077 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 00:41:35,077 INFO L122 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 [2018-11-10 00:41:35,078 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 00:41:35,078 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 00:41:35,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 00:41:35,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 00:41:35,078 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 00:41:35,080 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 00:41:35,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 00:41:35,090 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 00:41:35,101 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 00:41:35,101 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 00:41:35,103 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 00:41:35,103 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 00:41:35,103 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 00:41:35,104 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0 + 1 f1 = -2*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-11-10 00:41:35,105 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 00:41:35,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:41:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:41:35,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 00:41:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:41:35,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 00:41:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:41:35,182 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 [2018-11-10 00:41:35,183 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-11-10 00:41:35,221 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 31 states and 35 transitions. Complement of second has 5 states. [2018-11-10 00:41:35,222 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 [2018-11-10 00:41:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-10 00:41:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2018-11-10 00:41:35,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-10 00:41:35,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 00:41:35,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-10 00:41:35,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 00:41:35,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-10 00:41:35,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 00:41:35,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 35 transitions. [2018-11-10 00:41:35,229 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 00:41:35,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2018-11-10 00:41:35,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 00:41:35,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 00:41:35,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 00:41:35,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 00:41:35,234 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 00:41:35,234 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 00:41:35,234 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 00:41:35,234 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 00:41:35,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 00:41:35,234 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 00:41:35,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 00:41:35,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 12:41:35 BoogieIcfgContainer [2018-11-10 00:41:35,240 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 00:41:35,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 00:41:35,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 00:41:35,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 00:41:35,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:41:32" (3/4) ... [2018-11-10 00:41:35,244 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 00:41:35,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 00:41:35,245 INFO L168 Benchmark]: Toolchain (without parser) took 2747.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -122.1 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:35,246 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:41:35,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.11 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:35,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:41:35,248 INFO L168 Benchmark]: Boogie Preprocessor took 10.41 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:35,248 INFO L168 Benchmark]: RCFGBuilder took 157.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 946.7 MB in the beginning and 1.2 GB in the end (delta: -211.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:35,249 INFO L168 Benchmark]: BuchiAutomizer took 2385.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:35,249 INFO L168 Benchmark]: Witness Printer took 3.91 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. [2018-11-10 00:41:35,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.11 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.41 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 946.7 MB in the beginning and 1.2 GB in the end (delta: -211.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2385.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.91 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 2-nested ranking function (if -2 * y + 1 > 0 then 1 else 0), (if -2 * y + 1 > 0 then -2 * y + 1 else -2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. 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: 12 SDtfs, 13 SDslu, 6 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: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...