./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/aaron2_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/aaron2_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/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 64bit --witnessprinter.graph.data.programhash 51b008c7c9d1e1f97a8847fd6efe81beab0012cf ......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:49:34,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:49:34,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:49:34,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:49:34,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:49:34,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:49:34,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:49:34,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:49:34,594 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:49:34,595 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:49:34,595 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:49:34,595 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:49:34,596 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:49:34,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:49:34,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:49:34,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:49:34,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:49:34,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:49:34,601 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:49:34,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:49:34,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:49:34,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:49:34,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:49:34,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:49:34,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:49:34,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:49:34,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:49:34,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:49:34,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:49:34,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:49:34,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:49:34,610 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:49:34,610 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:49:34,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:49:34,611 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:49:34,611 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:49:34,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-02 20:49:34,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:49:34,622 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:49:34,623 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:49:34,623 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:49:34,623 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:49:34,624 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 20:49:34,624 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 20:49:34,624 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 20:49:34,624 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 20:49:34,624 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 20:49:34,624 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 20:49:34,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:49:34,625 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 20:49:34,625 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:49:34,625 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:49:34,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 20:49:34,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 20:49:34,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 20:49:34,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:49:34,625 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 20:49:34,626 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:49:34,626 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 20:49:34,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:49:34,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:49:34,626 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 20:49:34,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:49:34,626 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 20:49:34,626 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 20:49:34,627 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 20:49:34,627 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_63ec0cb6-2ccf-4346-888c-ca977b5603ce/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b008c7c9d1e1f97a8847fd6efe81beab0012cf [2018-12-02 20:49:34,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:49:34,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:49:34,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:49:34,661 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:49:34,661 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:49:34,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/aaron2_true-termination_true-valid-memsafety.c [2018-12-02 20:49:34,702 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/data/a8fca8b3d/f3a39d0838b04f81890b6ee5f7823680/FLAGb75296e57 [2018-12-02 20:49:34,998 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:49:34,998 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/sv-benchmarks/c/termination-crafted/aaron2_true-termination_true-valid-memsafety.c [2018-12-02 20:49:35,001 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/data/a8fca8b3d/f3a39d0838b04f81890b6ee5f7823680/FLAGb75296e57 [2018-12-02 20:49:35,009 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/bin-2019/uautomizer/data/a8fca8b3d/f3a39d0838b04f81890b6ee5f7823680 [2018-12-02 20:49:35,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:49:35,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:49:35,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:49:35,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:49:35,014 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:49:35,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35, skipping insertion in model container [2018-12-02 20:49:35,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:49:35,030 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:49:35,120 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:49:35,122 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:49:35,130 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:49:35,138 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:49:35,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35 WrapperNode [2018-12-02 20:49:35,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:49:35,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:49:35,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:49:35,139 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:49:35,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:49:35,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:49:35,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:49:35,157 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:49:35,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2018-12-02 20:49:35,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:49:35,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:49:35,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:49:35,197 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:49:35,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/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 [2018-12-02 20:49:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:49:35,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:49:35,308 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:49:35,309 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 20:49:35,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:35 BoogieIcfgContainer [2018-12-02 20:49:35,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:49:35,309 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 20:49:35,309 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 20:49:35,311 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 20:49:35,312 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 20:49:35,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:49:35" (1/3) ... [2018-12-02 20:49:35,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2733ef67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:49:35, skipping insertion in model container [2018-12-02 20:49:35,313 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 20:49:35,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (2/3) ... [2018-12-02 20:49:35,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2733ef67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:49:35, skipping insertion in model container [2018-12-02 20:49:35,313 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 20:49:35,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:35" (3/3) ... [2018-12-02 20:49:35,314 INFO L375 chiAutomizerObserver]: Analyzing ICFG aaron2_true-termination_true-valid-memsafety.c [2018-12-02 20:49:35,348 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:49:35,348 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 20:49:35,348 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 20:49:35,348 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 20:49:35,348 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:49:35,348 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:49:35,348 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 20:49:35,348 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:49:35,349 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 20:49:35,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-12-02 20:49:35,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 20:49:35,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 20:49:35,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 20:49:35,373 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-12-02 20:49:35,373 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 20:49:35,373 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 20:49:35,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-12-02 20:49:35,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 20:49:35,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 20:49:35,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 20:49:35,374 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-12-02 20:49:35,375 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 20:49:35,379 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~tx~0;havoc main_~x~0;havoc main_~y~0;havoc main_~tx~0;main_~tx~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~y~0 := main_#t~nondet2;havoc main_#t~nondet2; 4#L21true assume !!(main_~tx~0 <= 1073741823); 6#L22true assume !!(main_~x~0 <= 1073741823); 8#L23true assume !!(main_~y~0 >= -1073741823); 10#L25-2true [2018-12-02 20:49:35,379 INFO L796 eck$LassoCheckResult]: Loop: 10#L25-2true assume !!(main_~x~0 >= main_~y~0 && main_~tx~0 >= 0); 12#L25true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 - 1 - main_~tx~0; 10#L25-2true [2018-12-02 20:49:35,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:49:35,383 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2018-12-02 20:49:35,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:49:35,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:49:35,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:49:35,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:49:35,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:49:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:49:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:49:35,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:49:35,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1764, now seen corresponding path program 1 times [2018-12-02 20:49:35,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:49:35,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:49:35,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:49:35,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:49:35,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:49:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:49:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:49:35,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:49:35,453 INFO L82 PathProgramCache]: Analyzing trace with hash 922017838, now seen corresponding path program 1 times [2018-12-02 20:49:35,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:49:35,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:49:35,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:49:35,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:49:35,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:49:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:49:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:49:35,505 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:49:35,506 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:49:35,506 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:49:35,506 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:49:35,507 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 20:49:35,507 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:49:35,507 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:49:35,507 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:49:35,507 INFO L131 ssoRankerPreferences]: Filename of dumped script: aaron2_true-termination_true-valid-memsafety.c_Iteration1_Loop [2018-12-02 20:49:35,507 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:49:35,507 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:49:35,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:49:35,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:49:35,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:49:35,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:49:35,591 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:49:35,591 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/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 [2018-12-02 20:49:35,594 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:49:35,594 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:49:35,623 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:49:35,623 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/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 [2018-12-02 20:49:35,626 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:49:35,626 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:49:35,651 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:49:35,651 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/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 [2018-12-02 20:49:35,654 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:49:35,654 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63ec0cb6-2ccf-4346-888c-ca977b5603ce/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 [2018-12-02 20:49:35,672 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 20:49:35,672 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:49:35,906 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 20:49:35,907 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:49:35,907 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:49:35,907 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:49:35,907 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:49:35,908 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 20:49:35,908 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:49:35,908 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:49:35,908 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:49:35,908 INFO L131 ssoRankerPreferences]: Filename of dumped script: aaron2_true-termination_true-valid-memsafety.c_Iteration1_Loop [2018-12-02 20:49:35,908 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:49:35,908 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:49:35,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:49:35,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:49:35,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:49:35,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:49:35,954 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:49:35,958 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 20:49:35,959 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 [2018-12-02 20:49:35,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:49:35,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:49:35,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:49:35,960 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:49:35,963 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:49:35,963 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 20:49:35,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:49:35,969 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 [2018-12-02 20:49:35,970 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:49:35,970 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:49:35,970 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:49:35,970 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:49:35,972 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:49:35,972 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 20:49:35,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:49:35,977 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 [2018-12-02 20:49:35,978 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:49:35,978 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:49:35,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:49:35,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:49:35,979 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:49:35,979 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 20:49:35,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:49:35,985 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 20:49:35,989 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 20:49:35,989 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 20:49:35,991 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 20:49:35,991 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 20:49:35,991 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 20:49:35,991 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] [2018-12-02 20:49:35,993 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 20:49:36,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:49:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:36,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:49:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:36,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:49:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:36,046 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-12-02 20:49:36,047 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2018-12-02 20:49:36,072 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 7 states. [2018-12-02 20:49:36,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-02 20:49:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-02 20:49:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2018-12-02 20:49:36,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2018-12-02 20:49:36,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 20:49:36,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2018-12-02 20:49:36,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 20:49:36,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2018-12-02 20:49:36,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 20:49:36,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2018-12-02 20:49:36,077 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 20:49:36,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2018-12-02 20:49:36,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 20:49:36,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 20:49:36,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 20:49:36,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 20:49:36,080 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 20:49:36,080 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 20:49:36,080 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 20:49:36,080 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 20:49:36,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-02 20:49:36,081 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 20:49:36,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-02 20:49:36,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:49:36 BoogieIcfgContainer [2018-12-02 20:49:36,084 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 20:49:36,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:49:36,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:49:36,085 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:49:36,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:35" (3/4) ... [2018-12-02 20:49:36,087 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 20:49:36,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:49:36,087 INFO L168 Benchmark]: Toolchain (without parser) took 1076.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -69.4 MB). Peak memory consumption was 76.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:36,088 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:49:36,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.27 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:36,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.10 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:49:36,089 INFO L168 Benchmark]: Boogie Preprocessor took 39.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:36,090 INFO L168 Benchmark]: RCFGBuilder took 112.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:36,090 INFO L168 Benchmark]: BuchiAutomizer took 775.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:36,090 INFO L168 Benchmark]: Witness Printer took 2.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:49:36,092 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 126.27 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 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 18.10 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 112.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 775.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * x + -2 * y + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf93 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...