./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-invgen/seq_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/seq_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63d818ac17d423e56496424f9fa44743b17c8897 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:10:04,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:10:04,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:10:04,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:10:04,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:10:04,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:10:04,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:10:04,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:10:04,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:10:04,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:10:04,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:10:04,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:10:04,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:10:04,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:10:04,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:10:04,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:10:04,794 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:10:04,795 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:10:04,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:10:04,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:10:04,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:10:04,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:10:04,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:10:04,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:10:04,802 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:10:04,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:10:04,804 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:10:04,805 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:10:04,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:10:04,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:10:04,807 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:10:04,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:10:04,808 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:10:04,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:10:04,809 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:10:04,809 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:10:04,810 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:10:04,822 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:10:04,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:10:04,824 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:10:04,824 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:10:04,824 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:10:04,825 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:10:04,825 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:10:04,825 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:10:04,825 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:10:04,825 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:10:04,825 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:10:04,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:10:04,826 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:10:04,826 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:10:04,826 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:10:04,826 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:10:04,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:10:04,826 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:10:04,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:10:04,827 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:10:04,827 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:10:04,827 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:10:04,829 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:10:04,829 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:10:04,829 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:10:04,829 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:10:04,830 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:10:04,830 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:10:04,830 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:10:04,830 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:10:04,831 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:10:04,831 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_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63d818ac17d423e56496424f9fa44743b17c8897 [2018-10-27 06:10:04,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:10:04,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:10:04,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:10:04,874 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:10:04,874 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:10:04,875 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/../../sv-benchmarks/c/loop-invgen/seq_true-unreach-call_true-termination.i [2018-10-27 06:10:04,920 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/data/48f8ab847/9ed2a652ce8f4261913a60acfaf726ac/FLAG67e6dde44 [2018-10-27 06:10:05,282 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:10:05,283 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/sv-benchmarks/c/loop-invgen/seq_true-unreach-call_true-termination.i [2018-10-27 06:10:05,288 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/data/48f8ab847/9ed2a652ce8f4261913a60acfaf726ac/FLAG67e6dde44 [2018-10-27 06:10:05,297 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/data/48f8ab847/9ed2a652ce8f4261913a60acfaf726ac [2018-10-27 06:10:05,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:10:05,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:10:05,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:10:05,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:10:05,305 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:10:05,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a89ac7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05, skipping insertion in model container [2018-10-27 06:10:05,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:10:05,332 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:10:05,438 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:10:05,440 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:10:05,451 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:10:05,463 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:10:05,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05 WrapperNode [2018-10-27 06:10:05,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:10:05,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:10:05,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:10:05,465 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:10:05,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:10:05,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:10:05,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:10:05,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:10:05,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... [2018-10-27 06:10:05,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:10:05,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:10:05,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:10:05,503 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:10:05,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/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 06:10:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:10:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:10:05,961 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:10:05,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:10:05 BoogieIcfgContainer [2018-10-27 06:10:05,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:10:05,962 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:10:05,962 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:10:05,966 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:10:05,966 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:10:05,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:10:05" (1/3) ... [2018-10-27 06:10:05,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139ed261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:10:05, skipping insertion in model container [2018-10-27 06:10:05,969 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:10:05,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:05" (2/3) ... [2018-10-27 06:10:05,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139ed261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:10:05, skipping insertion in model container [2018-10-27 06:10:05,969 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:10:05,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:10:05" (3/3) ... [2018-10-27 06:10:05,971 INFO L375 chiAutomizerObserver]: Analyzing ICFG seq_true-unreach-call_true-termination.i [2018-10-27 06:10:06,021 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:10:06,021 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:10:06,021 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:10:06,021 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:10:06,021 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:10:06,022 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:10:06,022 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:10:06,022 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:10:06,022 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:10:06,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2018-10-27 06:10:06,053 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2018-10-27 06:10:06,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:10:06,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:10:06,059 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-10-27 06:10:06,067 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:10:06,067 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:10:06,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2018-10-27 06:10:06,069 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2018-10-27 06:10:06,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:10:06,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:10:06,069 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-10-27 06:10:06,070 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:10:06,085 INFO L793 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_#t~post4, main_#t~post5, main_#t~post6, main_#t~post7, main_#t~post8, main_~n0~0, main_~n1~0, main_~i0~0, main_~k~0, main_~i1~0, main_~j1~0;havoc main_~n0~0;havoc main_~n1~0;main_~i0~0 := 0;main_~k~0 := 0;main_~n0~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~n1~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L16true assume !!(-1000000 <= main_~n0~0 && main_~n0~0 < 1000000); 7#L17true assume !!(-1000000 <= main_~n1~0 && main_~n1~0 < 1000000); 3#L18-3true [2018-10-27 06:10:06,086 INFO L795 eck$LassoCheckResult]: Loop: 3#L18-3true assume true; 8#L18-1true assume !!(main_~i0~0 < main_~n0~0);main_#t~post3 := main_~i0~0;main_~i0~0 := main_#t~post3 + 1;havoc main_#t~post3;main_#t~post4 := main_~k~0;main_~k~0 := main_#t~post4 + 1;havoc main_#t~post4; 3#L18-3true [2018-10-27 06:10:06,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:06,099 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-10-27 06:10:06,101 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:06,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:06,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:06,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:06,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:06,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:06,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1479, now seen corresponding path program 1 times [2018-10-27 06:10:06,214 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:06,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:06,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:06,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:06,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:06,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:06,226 INFO L82 PathProgramCache]: Analyzing trace with hash 889571310, now seen corresponding path program 1 times [2018-10-27 06:10:06,226 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:06,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:06,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:06,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:06,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:06,311 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:10:06,312 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:10:06,312 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:10:06,312 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:10:06,313 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:10:06,313 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:06,313 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:10:06,313 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:10:06,313 INFO L131 ssoRankerPreferences]: Filename of dumped script: seq_true-unreach-call_true-termination.i_Iteration1_Loop [2018-10-27 06:10:06,313 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:10:06,313 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:10:06,333 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 06:10:06,368 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 06:10:06,372 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 06:10:06,377 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 06:10:06,452 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:10:06,452 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/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) [2018-10-27 06:10:06,465 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:06,465 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/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 06:10:06,498 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:10:06,498 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:06,667 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:10:06,668 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:10:06,669 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:10:06,669 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:10:06,669 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:10:06,669 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:10:06,669 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:06,669 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:10:06,669 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:10:06,669 INFO L131 ssoRankerPreferences]: Filename of dumped script: seq_true-unreach-call_true-termination.i_Iteration1_Loop [2018-10-27 06:10:06,669 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:10:06,669 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:10:06,670 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 06:10:06,744 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 06:10:06,784 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 06:10:06,799 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 06:10:06,912 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:10:06,915 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:10:06,917 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 06:10:06,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:10:06,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:10:06,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:10:06,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:10:06,919 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:10:06,921 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:10:06,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:10:06,929 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:10:06,934 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:10:06,934 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:10:06,936 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:10:06,936 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:10:06,937 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:10:06,937 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i0~0, ULTIMATE.start_main_~n0~0) = -1*ULTIMATE.start_main_~i0~0 + 1*ULTIMATE.start_main_~n0~0 Supporting invariants [] [2018-10-27 06:10:06,938 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:10:06,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:07,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:07,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:07,025 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 06:10:07,034 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 06:10:07,035 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2018-10-27 06:10:07,108 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 47 states and 62 transitions. Complement of second has 5 states. [2018-10-27 06:10:07,108 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 06:10:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:10:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2018-10-27 06:10:07,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 4 letters. Loop has 2 letters. [2018-10-27 06:10:07,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:07,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 6 letters. Loop has 2 letters. [2018-10-27 06:10:07,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:07,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 4 letters. Loop has 4 letters. [2018-10-27 06:10:07,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:07,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2018-10-27 06:10:07,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-10-27 06:10:07,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 16 states and 19 transitions. [2018-10-27 06:10:07,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2018-10-27 06:10:07,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2018-10-27 06:10:07,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2018-10-27 06:10:07,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:10:07,122 INFO L705 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2018-10-27 06:10:07,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2018-10-27 06:10:07,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-10-27 06:10:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-27 06:10:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2018-10-27 06:10:07,139 INFO L728 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2018-10-27 06:10:07,139 INFO L608 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2018-10-27 06:10:07,139 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:10:07,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2018-10-27 06:10:07,140 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-10-27 06:10:07,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:10:07,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:10:07,141 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:10:07,141 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:10:07,141 INFO L793 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_#t~post4, main_#t~post5, main_#t~post6, main_#t~post7, main_#t~post8, main_~n0~0, main_~n1~0, main_~i0~0, main_~k~0, main_~i1~0, main_~j1~0;havoc main_~n0~0;havoc main_~n1~0;main_~i0~0 := 0;main_~k~0 := 0;main_~n0~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~n1~0 := main_#t~nondet2;havoc main_#t~nondet2; 110#L16 assume !!(-1000000 <= main_~n0~0 && main_~n0~0 < 1000000); 111#L17 assume !!(-1000000 <= main_~n1~0 && main_~n1~0 < 1000000); 106#L18-3 assume true; 108#L18-1 assume !(main_~i0~0 < main_~n0~0); 114#L18-4 main_~i1~0 := 0; 117#L23-3 [2018-10-27 06:10:07,141 INFO L795 eck$LassoCheckResult]: Loop: 117#L23-3 assume true; 118#L23-1 assume !!(main_~i1~0 < main_~n1~0);main_#t~post5 := main_~i1~0;main_~i1~0 := main_#t~post5 + 1;havoc main_#t~post5;main_#t~post6 := main_~k~0;main_~k~0 := main_#t~post6 + 1;havoc main_#t~post6; 117#L23-3 [2018-10-27 06:10:07,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:07,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1806906798, now seen corresponding path program 1 times [2018-10-27 06:10:07,141 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:07,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:07,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:07,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:07,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1927, now seen corresponding path program 1 times [2018-10-27 06:10:07,150 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:07,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:07,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:07,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:07,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1270646260, now seen corresponding path program 1 times [2018-10-27 06:10:07,159 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:07,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:07,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:07,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,188 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:10:07,188 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:10:07,189 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:10:07,189 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:10:07,189 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:10:07,189 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:07,189 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:10:07,189 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:10:07,189 INFO L131 ssoRankerPreferences]: Filename of dumped script: seq_true-unreach-call_true-termination.i_Iteration2_Loop [2018-10-27 06:10:07,189 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:10:07,189 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:10:07,190 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 06:10:07,193 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 06:10:07,199 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 06:10:07,241 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 06:10:07,375 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:10:07,376 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/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 06:10:07,379 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:07,379 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:07,383 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:10:07,383 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/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 06:10:07,401 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:07,401 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:07,404 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:10:07,404 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:07,431 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:07,432 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:07,455 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:10:07,455 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:07,617 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:10:07,618 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:10:07,619 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:10:07,619 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:10:07,619 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:10:07,619 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:10:07,619 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:07,619 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:10:07,619 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:10:07,619 INFO L131 ssoRankerPreferences]: Filename of dumped script: seq_true-unreach-call_true-termination.i_Iteration2_Loop [2018-10-27 06:10:07,619 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:10:07,619 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:10:07,620 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 06:10:07,627 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 06:10:07,628 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 06:10:07,635 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 06:10:07,684 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:10:07,684 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:10:07,684 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 06:10:07,685 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:10:07,685 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:10:07,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:10:07,685 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:10:07,685 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:10:07,686 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:10:07,686 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:10:07,690 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:10:07,690 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 06:10:07,691 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:10:07,691 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:10:07,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:10:07,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:10:07,691 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:10:07,692 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:10:07,692 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:10:07,693 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:10:07,694 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 06:10:07,694 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:10:07,694 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:10:07,694 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:10:07,694 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:10:07,695 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:10:07,699 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:10:07,699 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:10:07,705 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:10:07,710 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-10-27 06:10:07,710 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:10:07,711 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:10:07,711 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:10:07,711 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:10:07,711 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n1~0, ULTIMATE.start_main_~i1~0) = 1*ULTIMATE.start_main_~n1~0 - 1*ULTIMATE.start_main_~i1~0 Supporting invariants [] [2018-10-27 06:10:07,712 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:10:07,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:07,759 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:07,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:07,764 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 06:10:07,764 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 06:10:07,765 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 6 Second operand 3 states. [2018-10-27 06:10:07,772 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 23 states and 28 transitions. Complement of second has 4 states. [2018-10-27 06:10:07,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:10:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:10:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2018-10-27 06:10:07,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2018-10-27 06:10:07,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:07,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 2 letters. [2018-10-27 06:10:07,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:07,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 7 letters. Loop has 4 letters. [2018-10-27 06:10:07,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:07,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2018-10-27 06:10:07,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-10-27 06:10:07,776 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 22 transitions. [2018-10-27 06:10:07,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2018-10-27 06:10:07,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2018-10-27 06:10:07,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2018-10-27 06:10:07,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:10:07,777 INFO L705 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2018-10-27 06:10:07,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2018-10-27 06:10:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-10-27 06:10:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-10-27 06:10:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2018-10-27 06:10:07,779 INFO L728 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2018-10-27 06:10:07,779 INFO L608 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2018-10-27 06:10:07,779 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-10-27 06:10:07,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2018-10-27 06:10:07,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-10-27 06:10:07,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:10:07,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:10:07,781 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:10:07,782 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:10:07,782 INFO L793 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 206#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_#t~post4, main_#t~post5, main_#t~post6, main_#t~post7, main_#t~post8, main_~n0~0, main_~n1~0, main_~i0~0, main_~k~0, main_~i1~0, main_~j1~0;havoc main_~n0~0;havoc main_~n1~0;main_~i0~0 := 0;main_~k~0 := 0;main_~n0~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~n1~0 := main_#t~nondet2;havoc main_#t~nondet2; 195#L16 assume !!(-1000000 <= main_~n0~0 && main_~n0~0 < 1000000); 196#L17 assume !!(-1000000 <= main_~n1~0 && main_~n1~0 < 1000000); 191#L18-3 assume true; 193#L18-1 assume !(main_~i0~0 < main_~n0~0); 199#L18-4 main_~i1~0 := 0; 202#L23-3 assume true; 204#L23-1 assume !(main_~i1~0 < main_~n1~0); 200#L23-4 main_~j1~0 := 0; 201#L28-3 [2018-10-27 06:10:07,782 INFO L795 eck$LassoCheckResult]: Loop: 201#L28-3 assume true; 197#L28-1 assume !!(main_~j1~0 < main_~n0~0 + main_~n1~0);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if main_~k~0 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 198#L4 assume !(__VERIFIER_assert_~cond == 0); 208#L4-2 assume { :end_inline___VERIFIER_assert } true;main_#t~post7 := main_~j1~0;main_~j1~0 := main_#t~post7 + 1;havoc main_#t~post7;main_#t~post8 := main_~k~0;main_~k~0 := main_#t~post8 - 1;havoc main_#t~post8; 201#L28-3 [2018-10-27 06:10:07,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:07,782 INFO L82 PathProgramCache]: Analyzing trace with hash 735328374, now seen corresponding path program 1 times [2018-10-27 06:10:07,782 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:07,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:07,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:07,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:07,794 INFO L82 PathProgramCache]: Analyzing trace with hash 2284202, now seen corresponding path program 1 times [2018-10-27 06:10:07,794 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:07,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:07,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:07,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:07,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:07,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1032573087, now seen corresponding path program 1 times [2018-10-27 06:10:07,823 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:07,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:07,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:07,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:08,005 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 06:10:08,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:10:08,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 06:10:08,166 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-27 06:10:08,296 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-27 06:10:08,311 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:10:08,312 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:10:08,312 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:10:08,312 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:10:08,312 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:10:08,312 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:08,312 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:10:08,312 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:10:08,312 INFO L131 ssoRankerPreferences]: Filename of dumped script: seq_true-unreach-call_true-termination.i_Iteration3_Loop [2018-10-27 06:10:08,312 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:10:08,312 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:10:08,314 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 06:10:08,343 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 06:10:08,430 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 06:10:08,432 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 06:10:08,541 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:10:08,541 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:08,544 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:08,544 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:08,547 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:10:08,547 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post8=0} Honda state: {ULTIMATE.start_main_#t~post8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:08,566 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:08,567 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec3aec0-2efd-4921-9f86-6785c18e8779/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:08,589 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:10:08,589 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:08,622 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:10:08,623 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:10:08,623 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:10:08,623 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:10:08,623 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:10:08,624 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:10:08,624 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:08,624 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:10:08,624 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:10:08,624 INFO L131 ssoRankerPreferences]: Filename of dumped script: seq_true-unreach-call_true-termination.i_Iteration3_Loop [2018-10-27 06:10:08,624 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:10:08,624 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:10:08,625 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 06:10:08,635 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 06:10:08,637 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 06:10:08,639 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 06:10:08,768 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:10:08,768 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:10:08,768 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 06:10:08,769 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:10:08,769 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:10:08,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:10:08,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:10:08,769 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:10:08,770 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:10:08,770 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:10:08,775 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:10:08,778 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:10:08,779 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:10:08,779 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:10:08,780 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:10:08,780 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:10:08,780 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0) = 1*ULTIMATE.start_main_~k~0 Supporting invariants [] [2018-10-27 06:10:08,781 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:10:08,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:08,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:08,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:08,874 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 06:10:08,875 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-10-27 06:10:08,875 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 22 transitions. cyclomatic complexity: 7 Second operand 5 states. [2018-10-27 06:10:08,912 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 22 transitions. cyclomatic complexity: 7. Second operand 5 states. Result 22 states and 27 transitions. Complement of second has 8 states. [2018-10-27 06:10:08,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-10-27 06:10:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-10-27 06:10:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2018-10-27 06:10:08,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 10 letters. Loop has 4 letters. [2018-10-27 06:10:08,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:08,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 4 letters. [2018-10-27 06:10:08,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:08,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 10 letters. Loop has 8 letters. [2018-10-27 06:10:08,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:08,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2018-10-27 06:10:08,915 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:10:08,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2018-10-27 06:10:08,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:10:08,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:10:08,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:10:08,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:10:08,916 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:08,916 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:08,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 06:10:08,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 06:10:08,923 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2018-10-27 06:10:08,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:10:08,926 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-10-27 06:10:08,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 06:10:08,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-10-27 06:10:08,927 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:10:08,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:10:08,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:10:08,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:10:08,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:10:08,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:10:08,927 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:08,927 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:08,927 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:08,927 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-10-27 06:10:08,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:10:08,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:10:08,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:10:08,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:10:08 BoogieIcfgContainer [2018-10-27 06:10:08,934 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:10:08,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:10:08,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:10:08,935 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:10:08,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:10:05" (3/4) ... [2018-10-27 06:10:08,940 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:10:08,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:10:08,941 INFO L168 Benchmark]: Toolchain (without parser) took 3641.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 962.9 MB in the beginning and 963.0 MB in the end (delta: -137.2 kB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:08,942 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:10:08,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.54 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:08,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.72 ms. Allocated memory is still 1.0 GB. Free memory is still 952.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:10:08,945 INFO L168 Benchmark]: Boogie Preprocessor took 13.94 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 946.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:08,946 INFO L168 Benchmark]: RCFGBuilder took 458.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:08,947 INFO L168 Benchmark]: BuchiAutomizer took 2972.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.0 MB in the end (delta: 175.7 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:08,947 INFO L168 Benchmark]: Witness Printer took 5.98 ms. Allocated memory is still 1.2 GB. Free memory is still 963.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:10:08,951 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.54 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.1 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 23.72 ms. Allocated memory is still 1.0 GB. Free memory is still 952.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.94 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 946.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 458.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2972.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.0 MB in the end (delta: 175.7 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.98 ms. Allocated memory is still 1.2 GB. Free memory is still 963.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i0 + n0 and consists of 4 locations. One deterministic module has affine ranking function n1 + -1 * i1 and consists of 3 locations. One deterministic module has affine ranking function k and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 46 SDtfs, 49 SDslu, 20 SDs, 0 SdLazy, 18 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite112 ukn100 eq164 hnf92 smp85 dnf98 smp100 tf111 neg98 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...