./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c --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_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/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 9448a6696b4991e038dda55623feb6ffc9366da0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 06:57:20,957 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:57:20,958 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:57:20,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:57:20,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:57:20,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:57:20,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:57:20,973 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:57:20,974 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:57:20,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:57:20,976 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:57:20,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:57:20,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:57:20,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:57:20,979 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:57:20,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:57:20,980 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:57:20,982 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:57:20,984 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:57:20,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:57:20,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:57:20,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:57:20,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:57:20,989 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:57:20,990 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:57:20,990 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:57:20,992 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:57:20,992 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:57:20,993 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:57:20,994 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:57:20,994 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:57:20,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:57:20,995 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:57:20,995 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:57:20,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:57:20,997 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:57:20,997 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 06:57:21,011 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:57:21,011 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:57:21,012 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:57:21,012 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:57:21,012 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 06:57:21,013 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 06:57:21,013 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 06:57:21,013 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 06:57:21,013 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 06:57:21,013 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 06:57:21,013 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 06:57:21,014 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:57:21,014 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:57:21,014 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 06:57:21,014 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:57:21,014 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:57:21,014 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:57:21,015 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 06:57:21,015 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 06:57:21,015 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 06:57:21,015 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:57:21,015 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:57:21,015 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 06:57:21,015 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 06:57:21,016 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:57:21,016 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:57:21,016 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 06:57:21,016 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:57:21,016 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 06:57:21,017 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 06:57:21,017 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 06:57:21,017 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_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/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 -> 9448a6696b4991e038dda55623feb6ffc9366da0 [2018-11-10 06:57:21,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:57:21,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:57:21,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:57:21,058 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:57:21,059 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:57:21,059 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c [2018-11-10 06:57:21,103 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/data/ff31f1c5a/1540992e02c84b2d8858d730a64c09d7/FLAG2b212afff [2018-11-10 06:57:21,439 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:57:21,439 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c [2018-11-10 06:57:21,445 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/data/ff31f1c5a/1540992e02c84b2d8858d730a64c09d7/FLAG2b212afff [2018-11-10 06:57:21,456 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/data/ff31f1c5a/1540992e02c84b2d8858d730a64c09d7 [2018-11-10 06:57:21,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:57:21,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:57:21,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:57:21,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:57:21,463 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:57:21,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8b0baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21, skipping insertion in model container [2018-11-10 06:57:21,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:57:21,490 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:57:21,647 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:57:21,651 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:57:21,664 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:57:21,677 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:57:21,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21 WrapperNode [2018-11-10 06:57:21,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:57:21,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:57:21,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:57:21,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:57:21,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:57:21,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:57:21,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:57:21,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:57:21,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... [2018-11-10 06:57:21,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:57:21,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:57:21,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:57:21,717 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:57:21,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/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 06:57:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2018-11-10 06:57:21,805 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2018-11-10 06:57:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:57:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:57:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-10 06:57:21,806 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-10 06:57:21,921 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:57:21,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:57:21 BoogieIcfgContainer [2018-11-10 06:57:21,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:57:21,922 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 06:57:21,922 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 06:57:21,926 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 06:57:21,927 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 06:57:21,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 06:57:21" (1/3) ... [2018-11-10 06:57:21,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66010ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 06:57:21, skipping insertion in model container [2018-11-10 06:57:21,928 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 06:57:21,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:21" (2/3) ... [2018-11-10 06:57:21,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66010ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 06:57:21, skipping insertion in model container [2018-11-10 06:57:21,929 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 06:57:21,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:57:21" (3/3) ... [2018-11-10 06:57:21,931 INFO L375 chiAutomizerObserver]: Analyzing ICFG id2_i5_o5_true-unreach-call_true-termination.c [2018-11-10 06:57:21,972 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:57:21,973 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 06:57:21,973 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 06:57:21,973 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 06:57:21,973 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:57:21,973 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:57:21,973 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 06:57:21,974 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:57:21,974 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 06:57:21,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-10 06:57:22,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 06:57:22,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 06:57:22,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 06:57:22,014 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 06:57:22,014 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-10 06:57:22,015 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 06:57:22,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-10 06:57:22,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 06:57:22,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 06:57:22,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 06:57:22,017 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 06:57:22,018 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-10 06:57:22,027 INFO L793 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := 5; 11#L19true call main_#t~ret2 := id(main_~input~0);< 21#idENTRYtrue [2018-11-10 06:57:22,027 INFO L795 eck$LassoCheckResult]: Loop: 21#idENTRYtrue ~x := #in~x; 15#L8true assume !(~x == 0); 13#L9true call #t~ret0 := id2(~x - 1);< 10#id2ENTRYtrue ~x := #in~x; 8#L13true assume !(~x == 0); 5#L14true call #t~ret1 := id(~x - 1);< 21#idENTRYtrue [2018-11-10 06:57:22,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:57:22,034 INFO L82 PathProgramCache]: Analyzing trace with hash 37822, now seen corresponding path program 1 times [2018-11-10 06:57:22,036 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:57:22,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:57:22,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:57:22,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:57:22,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:57:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:57:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:57:22,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:57:22,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1571952061, now seen corresponding path program 1 times [2018-11-10 06:57:22,123 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:57:22,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:57:22,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:57:22,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:57:22,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:57:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:57:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:57:22,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:57:22,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1615714374, now seen corresponding path program 1 times [2018-11-10 06:57:22,139 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:57:22,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:57:22,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:57:22,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:57:22,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:57:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:57:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:57:22,295 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 06:57:22,296 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 06:57:22,296 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 06:57:22,297 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 06:57:22,297 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 06:57:22,297 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:22,297 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 06:57:22,297 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 06:57:22,297 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Loop [2018-11-10 06:57:22,298 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 06:57:22,298 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 06:57:22,319 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 06:57:22,325 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 06:57:22,358 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 06:57:22,366 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 06:57:22,378 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 06:57:22,381 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 06:57:22,388 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 06:57:22,394 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 06:57:22,523 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 06:57:22,523 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/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 06:57:22,528 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:22,528 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:22,534 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:22,534 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/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 06:57:22,556 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:22,556 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:22,583 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 06:57:22,583 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:22,633 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:22,633 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-8} Honda state: {id_#in~x=-8} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=-1}, {id_#in~x=0}] Lambdas: [0, 1, 0] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/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 [2018-11-10 06:57:22,654 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:22,654 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:22,657 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:22,657 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/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 [2018-11-10 06:57:22,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:22,679 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:22,682 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:22,682 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/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 [2018-11-10 06:57:22,706 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:22,706 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:22,708 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:22,709 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/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 [2018-11-10 06:57:22,729 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:22,730 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:22,732 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:22,732 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:22,753 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:22,753 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:22,756 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:22,756 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:22,776 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:22,777 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:22,779 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:22,779 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-10 06:57:22,823 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 06:57:22,823 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 06:57:22,823 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 06:57:22,823 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 06:57:22,823 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 06:57:22,823 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:22,823 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 06:57:22,824 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 06:57:22,824 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-10 06:57:22,824 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 06:57:22,824 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 06:57:22,826 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 06:57:22,829 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 06:57:22,832 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 06:57:22,838 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 06:57:22,840 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 06:57:22,850 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 06:57:22,853 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 06:57:22,856 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 06:57:22,858 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 06:57:22,861 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 06:57:22,864 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 06:57:22,871 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 06:57:22,874 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 06:57:23,000 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 06:57:23,000 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:23,002 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:23,002 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:23,007 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:23,007 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:23,029 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:23,029 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:23,032 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:23,032 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:23,061 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:23,062 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:23,065 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:23,065 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:23,086 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:23,087 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:23,090 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 06:57:23,090 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=0} Honda state: {ULTIMATE.start_main_~input~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:23,116 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 06:57:23,116 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc9a0970-892a-4ffa-bac5-9d167a2cc01e/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:23,146 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 06:57:23,147 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 06:57:23,219 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 06:57:23,220 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 06:57:23,221 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 06:57:23,221 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 06:57:23,221 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 06:57:23,221 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 06:57:23,221 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 06:57:23,221 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 06:57:23,221 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 06:57:23,221 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-10 06:57:23,221 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 06:57:23,221 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 06:57:23,223 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 06:57:23,225 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 06:57:23,226 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 06:57:23,229 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 06:57:23,231 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 06:57:23,255 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 06:57:23,257 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 06:57:23,259 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 06:57:23,262 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 06:57:23,264 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 06:57:23,266 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 06:57:23,269 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 06:57:23,272 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 06:57:23,419 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 06:57:23,423 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 06:57:23,425 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 06:57:23,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 06:57:23,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 06:57:23,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 06:57:23,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 06:57:23,428 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 06:57:23,430 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 06:57:23,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 06:57:23,434 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 06:57:23,434 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 06:57:23,435 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 06:57:23,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 06:57:23,436 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 06:57:23,436 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 06:57:23,436 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 06:57:23,436 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 06:57:23,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 06:57:23,437 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 06:57:23,438 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 06:57:23,438 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 06:57:23,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 06:57:23,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 06:57:23,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 06:57:23,439 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 06:57:23,440 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 06:57:23,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 06:57:23,442 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 06:57:23,442 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 06:57:23,443 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 06:57:23,443 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 06:57:23,443 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 06:57:23,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 06:57:23,445 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 06:57:23,445 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 06:57:23,446 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 06:57:23,447 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 06:57:23,447 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 06:57:23,448 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 06:57:23,448 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 06:57:23,448 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-10 06:57:23,448 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 06:57:23,456 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-10 06:57:23,456 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 06:57:23,551 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 06:57:23,573 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 06:57:23,573 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-10 06:57:23,576 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 06:57:23,583 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-10 06:57:23,583 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 06:57:23,584 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2018-11-10 06:57:23,589 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-10 06:57:23,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:57:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:57:23,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:57:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:57:23,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:57:23,835 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 06:57:23,851 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2018-11-10 06:57:23,853 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 8 states. [2018-11-10 06:57:24,086 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states.. Second operand 8 states. Result 55 states and 62 transitions. Complement of second has 23 states. [2018-11-10 06:57:24,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-10 06:57:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-10 06:57:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 16 transitions. [2018-11-10 06:57:24,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-10 06:57:24,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 06:57:24,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 9 letters. Loop has 6 letters. [2018-11-10 06:57:24,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 06:57:24,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 3 letters. Loop has 12 letters. [2018-11-10 06:57:24,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 06:57:24,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 62 transitions. [2018-11-10 06:57:24,097 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 06:57:24,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2018-11-10 06:57:24,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 06:57:24,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 06:57:24,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 06:57:24,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 06:57:24,102 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:57:24,102 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:57:24,102 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:57:24,102 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 06:57:24,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:57:24,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 06:57:24,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 06:57:24,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 06:57:24 BoogieIcfgContainer [2018-11-10 06:57:24,108 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 06:57:24,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:57:24,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:57:24,109 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:57:24,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:57:21" (3/4) ... [2018-11-10 06:57:24,112 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 06:57:24,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:57:24,113 INFO L168 Benchmark]: Toolchain (without parser) took 2654.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 959.2 MB in the beginning and 909.2 MB in the end (delta: 50.1 MB). Peak memory consumption was 193.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:24,114 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:57:24,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.87 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:24,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.94 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:57:24,115 INFO L168 Benchmark]: Boogie Preprocessor took 11.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:24,116 INFO L168 Benchmark]: RCFGBuilder took 204.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:24,117 INFO L168 Benchmark]: BuchiAutomizer took 2185.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.2 MB in the end (delta: 224.4 MB). Peak memory consumption was 224.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:24,117 INFO L168 Benchmark]: Witness Printer took 3.93 ms. Allocated memory is still 1.2 GB. Free memory is still 909.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:57:24,120 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.87 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.94 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 204.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2185.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.2 MB in the end (delta: 224.4 MB). Peak memory consumption was 224.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.93 ms. Allocated memory is still 1.2 GB. Free memory is still 909.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 11 SDtfs, 19 SDslu, 17 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq201 hnf97 smp100 dnf250 smp42 tf101 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 136ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...