./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/genady_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/genady_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/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 6938b5c805400363799492c040263d9022406929 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:08:05,327 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:08:05,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:08:05,337 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:08:05,337 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:08:05,338 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:08:05,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:08:05,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:08:05,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:08:05,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:08:05,344 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:08:05,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:08:05,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:08:05,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:08:05,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:08:05,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:08:05,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:08:05,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:08:05,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:08:05,352 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:08:05,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:08:05,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:08:05,355 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:08:05,355 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:08:05,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:08:05,356 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:08:05,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:08:05,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:08:05,358 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:08:05,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:08:05,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:08:05,360 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:08:05,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:08:05,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:08:05,361 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:08:05,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:08:05,362 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:08:05,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:08:05,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:08:05,375 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:08:05,375 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:08:05,375 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:08:05,375 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:08:05,375 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:08:05,376 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:08:05,376 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:08:05,376 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:08:05,376 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:08:05,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:08:05,376 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:08:05,376 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:08:05,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:08:05,377 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:08:05,377 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:08:05,377 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:08:05,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:08:05,377 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:08:05,377 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:08:05,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:08:05,378 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:08:05,378 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:08:05,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:08:05,378 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:08:05,378 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:08:05,381 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:08:05,381 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_8a96601c-9cc6-4d07-9b80-6704718552e4/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 -> 6938b5c805400363799492c040263d9022406929 [2018-10-27 06:08:05,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:08:05,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:08:05,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:08:05,418 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:08:05,418 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:08:05,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/genady_true-termination_true-no-overflow.c [2018-10-27 06:08:05,460 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/data/acdcce64f/8d592ec41bf645b89b806d6aa2234e3a/FLAG058305cc2 [2018-10-27 06:08:05,815 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:08:05,816 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/sv-benchmarks/c/termination-crafted-lit/genady_true-termination_true-no-overflow.c [2018-10-27 06:08:05,820 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/data/acdcce64f/8d592ec41bf645b89b806d6aa2234e3a/FLAG058305cc2 [2018-10-27 06:08:05,830 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/bin-2019/uautomizer/data/acdcce64f/8d592ec41bf645b89b806d6aa2234e3a [2018-10-27 06:08:05,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:08:05,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:08:05,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:05,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:08:05,837 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:08:05,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:05,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3887c026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05, skipping insertion in model container [2018-10-27 06:08:05,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:05,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:08:05,860 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:08:05,965 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:05,968 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:08:05,979 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:05,987 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:08:05,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05 WrapperNode [2018-10-27 06:08:05,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:05,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:05,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:08:05,988 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:08:05,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:05,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:06,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:06,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:08:06,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:08:06,013 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:08:06,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:06,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:06,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:06,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:06,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:06,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:06,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... [2018-10-27 06:08:06,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:08:06,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:08:06,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:08:06,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:08:06,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/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 [2018-10-27 06:08:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:08:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:08:06,380 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:08:06,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:06 BoogieIcfgContainer [2018-10-27 06:08:06,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:08:06,381 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:08:06,381 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:08:06,385 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:08:06,385 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:06,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:08:05" (1/3) ... [2018-10-27 06:08:06,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20bdfda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:08:06, skipping insertion in model container [2018-10-27 06:08:06,386 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:06,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:05" (2/3) ... [2018-10-27 06:08:06,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20bdfda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:08:06, skipping insertion in model container [2018-10-27 06:08:06,387 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:06,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:06" (3/3) ... [2018-10-27 06:08:06,388 INFO L375 chiAutomizerObserver]: Analyzing ICFG genady_true-termination_true-no-overflow.c [2018-10-27 06:08:06,438 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:08:06,439 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:08:06,439 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:08:06,439 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:08:06,439 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:08:06,439 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:08:06,439 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:08:06,440 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:08:06,440 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:08:06,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-10-27 06:08:06,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:08:06,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:06,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:06,473 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:08:06,473 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:08:06,473 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:08:06,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-10-27 06:08:06,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:08:06,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:06,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:06,474 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:08:06,474 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:08:06,482 INFO L793 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~j~0 := 1;main_~i~0 := 10000; 6#L15-3true [2018-10-27 06:08:06,482 INFO L795 eck$LassoCheckResult]: Loop: 6#L15-3true assume true; 10#L15-1true assume !!(main_~i~0 - main_~j~0 >= 1);main_~j~0 := main_~j~0 + 1;main_~i~0 := main_~i~0 - 1; 6#L15-3true [2018-10-27 06:08:06,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:06,487 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:08:06,489 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:06,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:06,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:06,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:06,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:06,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:06,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-10-27 06:08:06,559 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:06,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:06,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:06,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:06,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:06,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:06,572 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-10-27 06:08:06,572 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:06,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:06,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:06,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:06,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:06,698 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 06:08:06,739 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:06,740 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:06,740 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:06,740 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:06,740 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:08:06,740 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:06,740 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:06,740 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:06,741 INFO L131 ssoRankerPreferences]: Filename of dumped script: genady_true-termination_true-no-overflow.c_Iteration1_Loop [2018-10-27 06:08:06,741 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:06,741 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:06,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:06,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:06,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:06,898 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:06,898 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/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 [2018-10-27 06:08:06,901 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:06,902 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:08:06,921 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:08:06,921 INFO L446 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_8a96601c-9cc6-4d07-9b80-6704718552e4/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 [2018-10-27 06:08:06,924 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:06,924 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:08:06,941 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:08:06,941 INFO L446 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_8a96601c-9cc6-4d07-9b80-6704718552e4/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 [2018-10-27 06:08:06,945 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:06,945 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a96601c-9cc6-4d07-9b80-6704718552e4/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 [2018-10-27 06:08:06,964 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:08:06,964 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:08:07,046 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:08:07,047 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:07,048 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:07,048 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:07,048 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:07,048 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:08:07,048 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:07,048 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:07,048 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:07,048 INFO L131 ssoRankerPreferences]: Filename of dumped script: genady_true-termination_true-no-overflow.c_Iteration1_Loop [2018-10-27 06:08:07,048 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:07,049 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:07,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:07,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:07,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:07,422 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:07,426 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:08:07,428 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 [2018-10-27 06:08:07,429 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:07,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:07,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:07,430 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:07,434 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:08:07,434 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:08:07,440 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:07,441 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 [2018-10-27 06:08:07,441 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:07,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:07,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:07,442 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:07,445 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:08:07,445 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:08:07,453 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:07,454 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 [2018-10-27 06:08:07,454 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:07,455 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:07,456 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:07,456 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:07,456 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:07,457 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:08:07,457 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:07,467 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:08:07,472 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:08:07,473 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-10-27 06:08:07,474 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:08:07,474 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:08:07,475 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:08:07,476 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-10-27 06:08:07,477 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:08:07,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:07,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:08:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:07,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:08:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:08:07,575 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-10-27 06:08:07,576 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2018-10-27 06:08:07,609 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 20 transitions. Complement of second has 5 states. [2018-10-27 06:08:07,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:08:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:08:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-10-27 06:08:07,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2018-10-27 06:08:07,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:08:07,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2018-10-27 06:08:07,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:08:07,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2018-10-27 06:08:07,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:08:07,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2018-10-27 06:08:07,617 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:08:07,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2018-10-27 06:08:07,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:08:07,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:08:07,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:08:07,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:08:07,622 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:08:07,622 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:08:07,622 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:08:07,622 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:08:07,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:08:07,622 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:08:07,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:08:07,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:08:07 BoogieIcfgContainer [2018-10-27 06:08:07,629 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:08:07,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:08:07,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:08:07,629 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:08:07,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:06" (3/4) ... [2018-10-27 06:08:07,632 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:08:07,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:08:07,633 INFO L168 Benchmark]: Toolchain (without parser) took 1800.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -90.7 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:07,634 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:08:07,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.63 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:07,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.82 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:08:07,635 INFO L168 Benchmark]: Boogie Preprocessor took 15.52 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:07,635 INFO L168 Benchmark]: RCFGBuilder took 352.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:07,636 INFO L168 Benchmark]: BuchiAutomizer took 1247.56 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: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:07,637 INFO L168 Benchmark]: Witness Printer took 3.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:07,640 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.63 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.82 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.52 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 352.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1247.56 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: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. 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 i + -1 * j and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...