./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-new/nested_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_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/nested_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/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 a881e1073186594f4727f809fbe5d917ff145543 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:29:31,884 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:29:31,885 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:29:31,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:29:31,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:29:31,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:29:31,896 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:29:31,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:29:31,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:29:31,899 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:29:31,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:29:31,900 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:29:31,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:29:31,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:29:31,902 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:29:31,903 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:29:31,904 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:29:31,905 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:29:31,907 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:29:31,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:29:31,909 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:29:31,910 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:29:31,911 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:29:31,912 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:29:31,912 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:29:31,913 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:29:31,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:29:31,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:29:31,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:29:31,915 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:29:31,915 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:29:31,916 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:29:31,916 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:29:31,916 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:29:31,917 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:29:31,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:29:31,918 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 13:29:31,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:29:31,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:29:31,931 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:29:31,931 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:29:31,931 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:29:31,931 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 13:29:31,932 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 13:29:31,932 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 13:29:31,932 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 13:29:31,932 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 13:29:31,932 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 13:29:31,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:29:31,932 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:29:31,933 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 13:29:31,933 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:29:31,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:29:31,933 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:29:31,933 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 13:29:31,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 13:29:31,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 13:29:31,934 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:29:31,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:29:31,934 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 13:29:31,934 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 13:29:31,934 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:29:31,934 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:29:31,935 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 13:29:31,935 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:29:31,935 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 13:29:31,935 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 13:29:31,936 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 13:29:31,936 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_7627b912-42a6-48cd-be26-a264e9898f0c/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 -> a881e1073186594f4727f809fbe5d917ff145543 [2018-11-10 13:29:31,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:29:31,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:29:31,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:29:31,977 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:29:31,977 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:29:31,978 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/../../sv-benchmarks/c/loop-new/nested_true-unreach-call_true-termination.i [2018-11-10 13:29:32,031 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/data/db2bc6b80/b079ea82bbe740a2bf0c8cd751dd4110/FLAG3f2a4c3e0 [2018-11-10 13:29:32,368 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:29:32,368 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/sv-benchmarks/c/loop-new/nested_true-unreach-call_true-termination.i [2018-11-10 13:29:32,373 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/data/db2bc6b80/b079ea82bbe740a2bf0c8cd751dd4110/FLAG3f2a4c3e0 [2018-11-10 13:29:32,383 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/data/db2bc6b80/b079ea82bbe740a2bf0c8cd751dd4110 [2018-11-10 13:29:32,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:29:32,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:29:32,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:29:32,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:29:32,389 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:29:32,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4541c043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32, skipping insertion in model container [2018-11-10 13:29:32,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:29:32,419 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:29:32,548 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:29:32,550 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:29:32,562 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:29:32,571 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:29:32,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32 WrapperNode [2018-11-10 13:29:32,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:29:32,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:29:32,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:29:32,573 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:29:32,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:29:32,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:29:32,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:29:32,595 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:29:32,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... [2018-11-10 13:29:32,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:29:32,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:29:32,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:29:32,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:29:32,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:29:32,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:29:32,833 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:29:32,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:29:32 BoogieIcfgContainer [2018-11-10 13:29:32,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:29:32,833 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 13:29:32,833 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 13:29:32,836 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 13:29:32,836 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:29:32,836 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 01:29:32" (1/3) ... [2018-11-10 13:29:32,837 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44a43c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:29:32, skipping insertion in model container [2018-11-10 13:29:32,837 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:29:32,837 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:29:32" (2/3) ... [2018-11-10 13:29:32,838 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44a43c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:29:32, skipping insertion in model container [2018-11-10 13:29:32,838 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:29:32,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:29:32" (3/3) ... [2018-11-10 13:29:32,839 INFO L375 chiAutomizerObserver]: Analyzing ICFG nested_true-unreach-call_true-termination.i [2018-11-10 13:29:32,876 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:29:32,877 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 13:29:32,877 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 13:29:32,877 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 13:29:32,877 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:29:32,877 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:29:32,877 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 13:29:32,877 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:29:32,877 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 13:29:32,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-10 13:29:32,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 13:29:32,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:29:32,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:29:32,907 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:29:32,907 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 13:29:32,907 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 13:29:32,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-10 13:29:32,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 13:29:32,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:29:32,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:29:32,909 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:29:32,910 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 13:29:32,917 INFO L793 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~post5, main_#t~post4, main_#t~post3, main_~n~0, main_~m~0, main_~k~0, main_~i~0, main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~k~0 := 0;havoc main_~i~0;havoc main_~j~0; 3#L15true assume !!(10 <= main_~n~0 && main_~n~0 <= 10000); 6#L16true assume !!(10 <= main_~m~0 && main_~m~0 <= 10000);main_~i~0 := 0; 15#L17-4true [2018-11-10 13:29:32,917 INFO L795 eck$LassoCheckResult]: Loop: 15#L17-4true assume true; 7#L17-1true assume !!(main_~i~0 < main_~n~0);main_~j~0 := 0; 17#L18-4true assume !true; 18#L17-3true main_#t~post3 := main_~i~0;main_~i~0 := main_#t~post3 + 1;havoc main_#t~post3; 15#L17-4true [2018-11-10 13:29:32,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:32,923 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-11-10 13:29:32,925 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:32,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:32,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:32,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:32,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:33,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1421448, now seen corresponding path program 1 times [2018-11-10 13:29:33,001 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:33,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:33,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:33,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:33,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:29:33,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:29:33,029 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-11-10 13:29:33,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:29:33,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:29:33,043 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 2 states. [2018-11-10 13:29:33,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:29:33,048 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2018-11-10 13:29:33,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:29:33,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2018-11-10 13:29:33,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 13:29:33,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 10 states and 11 transitions. [2018-11-10 13:29:33,055 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2018-11-10 13:29:33,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2018-11-10 13:29:33,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2018-11-10 13:29:33,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 13:29:33,056 INFO L705 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2018-11-10 13:29:33,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2018-11-10 13:29:33,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-11-10 13:29:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-10 13:29:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2018-11-10 13:29:33,082 INFO L728 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2018-11-10 13:29:33,082 INFO L608 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2018-11-10 13:29:33,082 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 13:29:33,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2018-11-10 13:29:33,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 13:29:33,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:29:33,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:29:33,083 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:29:33,083 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 13:29:33,084 INFO L793 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 44#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~post5, main_#t~post4, main_#t~post3, main_~n~0, main_~m~0, main_~k~0, main_~i~0, main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~k~0 := 0;havoc main_~i~0;havoc main_~j~0; 45#L15 assume !!(10 <= main_~n~0 && main_~n~0 <= 10000); 46#L16 assume !!(10 <= main_~m~0 && main_~m~0 <= 10000);main_~i~0 := 0; 49#L17-4 [2018-11-10 13:29:33,084 INFO L795 eck$LassoCheckResult]: Loop: 49#L17-4 assume true; 47#L17-1 assume !!(main_~i~0 < main_~n~0);main_~j~0 := 0; 43#L18-4 assume true; 50#L18-1 assume !(main_~j~0 < main_~m~0); 51#L17-3 main_#t~post3 := main_~i~0;main_~i~0 := main_#t~post3 + 1;havoc main_#t~post3; 49#L17-4 [2018-11-10 13:29:33,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:33,084 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2018-11-10 13:29:33,084 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:33,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:33,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:33,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:33,093 INFO L82 PathProgramCache]: Analyzing trace with hash 44056027, now seen corresponding path program 1 times [2018-11-10 13:29:33,093 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:33,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:33,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,094 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 13:29:33,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:33,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1270675028, now seen corresponding path program 1 times [2018-11-10 13:29:33,102 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:33,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:33,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:33,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:33,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:29:33,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 13:29:33,184 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:29:33,184 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:29:33,184 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:29:33,185 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:29:33,185 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 13:29:33,185 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,185 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:29:33,185 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:29:33,185 INFO L131 ssoRankerPreferences]: Filename of dumped script: nested_true-unreach-call_true-termination.i_Iteration2_Loop [2018-11-10 13:29:33,185 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:29:33,185 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:29:33,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,282 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:29:33,283 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,304 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:29:33,304 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:29:33,314 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:29:33,314 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~m~0=0} Honda state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~m~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,333 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:29:33,333 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,354 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:29:33,354 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:29:33,509 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 13:29:33,510 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:29:33,510 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:29:33,510 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:29:33,510 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:29:33,510 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:29:33,510 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,510 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:29:33,510 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:29:33,510 INFO L131 ssoRankerPreferences]: Filename of dumped script: nested_true-unreach-call_true-termination.i_Iteration2_Loop [2018-11-10 13:29:33,511 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:29:33,511 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:29:33,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,576 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:29:33,580 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:29:33,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:29:33,582 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:29:33,582 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:29:33,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:29:33,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:29:33,583 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:29:33,584 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:29:33,584 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:29:33,587 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:29:33,587 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:29:33,588 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:29:33,588 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:29:33,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:29:33,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:29:33,589 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:29:33,589 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:29:33,590 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:29:33,595 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 13:29:33,601 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 13:29:33,601 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 13:29:33,603 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 13:29:33,603 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 13:29:33,603 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 13:29:33,604 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-11-10 13:29:33,605 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 13:29:33,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:33,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:33,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:33,674 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-10 13:29:33,675 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 11 transitions. cyclomatic complexity: 2 Second operand 4 states. [2018-11-10 13:29:33,699 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 11 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 16 states and 19 transitions. Complement of second has 6 states. [2018-11-10 13:29:33,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 13:29:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 13:29:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2018-11-10 13:29:33,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 5 letters. [2018-11-10 13:29:33,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:33,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 9 letters. Loop has 5 letters. [2018-11-10 13:29:33,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:33,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 10 letters. [2018-11-10 13:29:33,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:33,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2018-11-10 13:29:33,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-10 13:29:33,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 18 transitions. [2018-11-10 13:29:33,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2018-11-10 13:29:33,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2018-11-10 13:29:33,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2018-11-10 13:29:33,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 13:29:33,705 INFO L705 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2018-11-10 13:29:33,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2018-11-10 13:29:33,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-10 13:29:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-10 13:29:33,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2018-11-10 13:29:33,707 INFO L728 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2018-11-10 13:29:33,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 13:29:33,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:29:33,707 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 4 states. [2018-11-10 13:29:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:29:33,731 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2018-11-10 13:29:33,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 13:29:33,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2018-11-10 13:29:33,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-10 13:29:33,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 24 transitions. [2018-11-10 13:29:33,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2018-11-10 13:29:33,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2018-11-10 13:29:33,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 24 transitions. [2018-11-10 13:29:33,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 13:29:33,734 INFO L705 BuchiCegarLoop]: Abstraction has 21 states and 24 transitions. [2018-11-10 13:29:33,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 24 transitions. [2018-11-10 13:29:33,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2018-11-10 13:29:33,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-10 13:29:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2018-11-10 13:29:33,737 INFO L728 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-11-10 13:29:33,737 INFO L608 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-11-10 13:29:33,737 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 13:29:33,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2018-11-10 13:29:33,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-10 13:29:33,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:29:33,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:29:33,738 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-10 13:29:33,738 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-10 13:29:33,739 INFO L793 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 158#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~post5, main_#t~post4, main_#t~post3, main_~n~0, main_~m~0, main_~k~0, main_~i~0, main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~k~0 := 0;havoc main_~i~0;havoc main_~j~0; 159#L15 assume !!(10 <= main_~n~0 && main_~n~0 <= 10000); 160#L16 assume !!(10 <= main_~m~0 && main_~m~0 <= 10000);main_~i~0 := 0; 166#L17-4 assume true; 167#L17-1 assume !!(main_~i~0 < main_~n~0);main_~j~0 := 0; 162#L18-4 [2018-11-10 13:29:33,739 INFO L795 eck$LassoCheckResult]: Loop: 162#L18-4 assume true; 170#L18-1 assume !!(main_~j~0 < main_~m~0);main_#t~post5 := main_~k~0;main_~k~0 := main_#t~post5 + 1;havoc main_#t~post5; 161#L18-3 main_#t~post4 := main_~j~0;main_~j~0 := main_#t~post4 + 1;havoc main_#t~post4; 162#L18-4 [2018-11-10 13:29:33,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:33,739 INFO L82 PathProgramCache]: Analyzing trace with hash 889571309, now seen corresponding path program 1 times [2018-11-10 13:29:33,739 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:33,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:33,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:33,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:33,752 INFO L82 PathProgramCache]: Analyzing trace with hash 54778, now seen corresponding path program 1 times [2018-11-10 13:29:33,753 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:33,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:33,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:33,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:33,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1270675086, now seen corresponding path program 1 times [2018-11-10 13:29:33,759 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:33,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:33,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:33,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:33,787 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:29:33,787 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:29:33,787 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:29:33,787 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:29:33,787 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 13:29:33,787 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,788 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:29:33,788 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:29:33,788 INFO L131 ssoRankerPreferences]: Filename of dumped script: nested_true-unreach-call_true-termination.i_Iteration3_Loop [2018-11-10 13:29:33,788 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:29:33,788 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:29:33,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:33,835 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:29:33,835 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,841 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:29:33,841 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,861 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:29:33,862 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:29:33,871 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:29:33,871 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0=0} Honda state: {ULTIMATE.start_main_~k~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~k~0=5}, {ULTIMATE.start_main_~k~0=4}, {ULTIMATE.start_main_~k~0=-8}] Lambdas: [1, 3, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,888 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:29:33,888 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:29:33,890 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:29:33,890 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_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,907 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:29:33,907 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:29:33,911 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 13:29:33,911 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,938 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:29:33,938 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:33,959 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:29:33,959 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:29:34,116 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 13:29:34,117 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:29:34,117 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:29:34,117 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:29:34,117 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:29:34,117 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:29:34,117 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:34,117 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:29:34,118 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:29:34,118 INFO L131 ssoRankerPreferences]: Filename of dumped script: nested_true-unreach-call_true-termination.i_Iteration3_Loop [2018-11-10 13:29:34,118 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:29:34,118 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:29:34,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,153 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:29:34,153 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:29:34,153 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:29:34,154 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:29:34,154 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:29:34,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:29:34,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:29:34,154 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:29:34,155 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:29:34,155 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:29:34,157 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:29:34,158 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:29:34,158 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:29:34,158 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:29:34,158 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:29:34,158 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:29:34,158 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:29:34,159 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:29:34,159 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:29:34,160 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:29:34,160 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:29:34,160 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:29:34,160 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:29:34,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:29:34,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:29:34,161 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:29:34,161 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:29:34,161 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:29:34,164 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 13:29:34,168 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 13:29:34,168 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 13:29:34,168 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 13:29:34,168 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 13:29:34,168 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 13:29:34,168 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~m~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-11-10 13:29:34,169 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 13:29:34,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:34,216 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-10 13:29:34,216 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2018-11-10 13:29:34,231 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 41 states and 48 transitions. Complement of second has 7 states. [2018-11-10 13:29:34,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 13:29:34,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 13:29:34,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-10 13:29:34,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-10 13:29:34,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:34,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2018-11-10 13:29:34,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:34,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2018-11-10 13:29:34,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:34,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 48 transitions. [2018-11-10 13:29:34,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-10 13:29:34,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 28 states and 32 transitions. [2018-11-10 13:29:34,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2018-11-10 13:29:34,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2018-11-10 13:29:34,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2018-11-10 13:29:34,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 13:29:34,239 INFO L705 BuchiCegarLoop]: Abstraction has 28 states and 32 transitions. [2018-11-10 13:29:34,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2018-11-10 13:29:34,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23. [2018-11-10 13:29:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-10 13:29:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2018-11-10 13:29:34,241 INFO L728 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-11-10 13:29:34,242 INFO L608 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-11-10 13:29:34,242 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-10 13:29:34,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2018-11-10 13:29:34,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-10 13:29:34,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:29:34,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:29:34,244 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:29:34,244 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-10 13:29:34,244 INFO L793 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 271#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~post5, main_#t~post4, main_#t~post3, main_~n~0, main_~m~0, main_~k~0, main_~i~0, main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~k~0 := 0;havoc main_~i~0;havoc main_~j~0; 272#L15 assume !!(10 <= main_~n~0 && main_~n~0 <= 10000); 273#L16 assume !!(10 <= main_~m~0 && main_~m~0 <= 10000);main_~i~0 := 0; 278#L17-4 assume true; 282#L17-1 assume !!(main_~i~0 < main_~n~0);main_~j~0 := 0; 284#L18-4 assume true; 285#L18-1 assume !!(main_~j~0 < main_~m~0);main_#t~post5 := main_~k~0;main_~k~0 := main_#t~post5 + 1;havoc main_#t~post5; 269#L18-3 main_#t~post4 := main_~j~0;main_~j~0 := main_#t~post4 + 1;havoc main_#t~post4; 270#L18-4 assume true; 280#L18-1 assume !(main_~j~0 < main_~m~0); 281#L17-3 main_#t~post3 := main_~i~0;main_~i~0 := main_#t~post3 + 1;havoc main_#t~post3; 283#L17-4 assume true; 274#L17-1 assume !!(main_~i~0 < main_~n~0);main_~j~0 := 0; 268#L18-4 [2018-11-10 13:29:34,244 INFO L795 eck$LassoCheckResult]: Loop: 268#L18-4 assume true; 279#L18-1 assume !!(main_~j~0 < main_~m~0);main_#t~post5 := main_~k~0;main_~k~0 := main_#t~post5 + 1;havoc main_#t~post5; 267#L18-3 main_#t~post4 := main_~j~0;main_~j~0 := main_#t~post4 + 1;havoc main_#t~post4; 268#L18-4 [2018-11-10 13:29:34,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:34,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1705673048, now seen corresponding path program 1 times [2018-11-10 13:29:34,245 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:34,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:34,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:34,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:34,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:34,282 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 13:29:34,282 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 13:29:34,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:34,373 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 13:29:34,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-10 13:29:34,373 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-11-10 13:29:34,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:34,374 INFO L82 PathProgramCache]: Analyzing trace with hash 54778, now seen corresponding path program 2 times [2018-11-10 13:29:34,374 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:29:34,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:29:34,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:34,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:29:34,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:29:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:29:34,394 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:29:34,394 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:29:34,394 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:29:34,395 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:29:34,395 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 13:29:34,395 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:34,395 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:29:34,395 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:29:34,395 INFO L131 ssoRankerPreferences]: Filename of dumped script: nested_true-unreach-call_true-termination.i_Iteration4_Loop [2018-11-10 13:29:34,395 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:29:34,395 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:29:34,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,434 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:29:34,435 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:34,438 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 13:29:34,438 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7627b912-42a6-48cd-be26-a264e9898f0c/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:34,469 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 13:29:34,470 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 13:29:34,632 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 13:29:34,633 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:29:34,633 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:29:34,633 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:29:34,633 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:29:34,633 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:29:34,634 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:29:34,634 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:29:34,634 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:29:34,634 INFO L131 ssoRankerPreferences]: Filename of dumped script: nested_true-unreach-call_true-termination.i_Iteration4_Loop [2018-11-10 13:29:34,634 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:29:34,634 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:29:34,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:29:34,676 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:29:34,676 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:29:34,676 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:29:34,677 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:29:34,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:29:34,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:29:34,678 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:29:34,678 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:29:34,678 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:29:34,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:29:34,681 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 13:29:34,685 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 13:29:34,686 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 13:29:34,686 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 13:29:34,686 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 13:29:34,686 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 13:29:34,686 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~m~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-11-10 13:29:34,687 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 13:29:34,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:34,722 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-10 13:29:34,722 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand 4 states. [2018-11-10 13:29:34,740 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 34 states and 39 transitions. Complement of second has 7 states. [2018-11-10 13:29:34,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 13:29:34,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 13:29:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-10 13:29:34,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2018-11-10 13:29:34,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:34,742 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-10 13:29:34,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:34,781 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-10 13:29:34,781 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand 4 states. [2018-11-10 13:29:34,792 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 34 states and 39 transitions. Complement of second has 7 states. [2018-11-10 13:29:34,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 13:29:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 13:29:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-10 13:29:34,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2018-11-10 13:29:34,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:34,793 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-10 13:29:34,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:29:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:29:34,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:29:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:29:34,822 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-10 13:29:34,822 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand 4 states. [2018-11-10 13:29:34,833 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 36 states and 43 transitions. Complement of second has 6 states. [2018-11-10 13:29:34,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 13:29:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 13:29:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2018-11-10 13:29:34,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 14 letters. Loop has 3 letters. [2018-11-10 13:29:34,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:34,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 17 letters. Loop has 3 letters. [2018-11-10 13:29:34,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:34,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 14 letters. Loop has 6 letters. [2018-11-10 13:29:34,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:29:34,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2018-11-10 13:29:34,837 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 13:29:34,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2018-11-10 13:29:34,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 13:29:34,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 13:29:34,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 13:29:34,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 13:29:34,838 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:29:34,838 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:29:34,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 13:29:34,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-10 13:29:34,839 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 7 states. [2018-11-10 13:29:34,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:29:34,839 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-10 13:29:34,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:29:34,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-10 13:29:34,839 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 13:29:34,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:29:34,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 13:29:34,840 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 13:29:34,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 13:29:34,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 13:29:34,840 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:29:34,840 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:29:34,840 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:29:34,840 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-10 13:29:34,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:29:34,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 13:29:34,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 13:29:34,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 01:29:34 BoogieIcfgContainer [2018-11-10 13:29:34,846 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 13:29:34,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:29:34,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:29:34,846 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:29:34,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:29:32" (3/4) ... [2018-11-10 13:29:34,849 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:29:34,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:29:34,850 INFO L168 Benchmark]: Toolchain (without parser) took 2464.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 959.2 MB in the beginning and 925.4 MB in the end (delta: 33.8 MB). Peak memory consumption was 194.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:29:34,852 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:29:34,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.40 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:29:34,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.16 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:29:34,853 INFO L168 Benchmark]: Boogie Preprocessor took 13.64 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:29:34,853 INFO L168 Benchmark]: RCFGBuilder took 224.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -200.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:29:34,854 INFO L168 Benchmark]: BuchiAutomizer took 2012.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.4 MB in the end (delta: 220.9 MB). Peak memory consumption was 220.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:29:34,855 INFO L168 Benchmark]: Witness Printer took 3.49 ms. Allocated memory is still 1.2 GB. Free memory is still 925.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:29:34,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.40 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.3 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 22.16 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.64 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 224.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -200.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2012.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.4 MB in the end (delta: 220.9 MB). Peak memory consumption was 220.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.49 ms. Allocated memory is still 1.2 GB. Free memory is still 925.4 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. One deterministic module has affine ranking function m + -1 * j and consists of 4 locations. One nondeterministic module has affine ranking function m + -1 * j and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 82 SDtfs, 66 SDslu, 34 SDs, 0 SdLazy, 43 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf98 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...