./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0a8f096dedbbe798ef2fe808d4231fc7a503c17f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:40:43,604 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:40:43,605 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:40:43,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:40:43,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:40:43,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:40:43,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:40:43,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:40:43,614 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:40:43,615 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:40:43,616 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:40:43,616 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:40:43,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:40:43,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:40:43,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:40:43,618 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:40:43,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:40:43,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:40:43,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:40:43,621 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:40:43,622 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:40:43,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:40:43,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:40:43,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:40:43,624 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:40:43,625 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:40:43,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:40:43,626 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:40:43,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:40:43,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:40:43,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:40:43,627 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:40:43,627 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:40:43,627 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:40:43,628 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:40:43,628 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:40:43,629 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-08 13:40:43,636 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:40:43,637 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:40:43,637 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:40:43,637 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:40:43,638 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 13:40:43,638 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 13:40:43,638 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 13:40:43,638 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 13:40:43,638 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 13:40:43,638 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 13:40:43,638 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 13:40:43,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:40:43,639 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 13:40:43,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:40:43,639 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:40:43,639 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 13:40:43,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 13:40:43,639 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 13:40:43,639 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:40:43,640 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 13:40:43,640 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:40:43,640 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 13:40:43,640 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:40:43,640 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 13:40:43,640 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 13:40:43,640 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:40:43,640 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 13:40:43,641 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 13:40:43,641 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 13:40:43,641 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_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a8f096dedbbe798ef2fe808d4231fc7a503c17f [2018-12-08 13:40:43,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:40:43,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:40:43,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:40:43,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:40:43,668 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:40:43,669 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2018-12-08 13:40:43,703 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/data/990212f7a/6f0fa99566d24c2b98f17a6599a7941e/FLAGd920929e5 [2018-12-08 13:40:44,119 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:40:44,120 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2018-12-08 13:40:44,123 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/data/990212f7a/6f0fa99566d24c2b98f17a6599a7941e/FLAGd920929e5 [2018-12-08 13:40:44,131 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/data/990212f7a/6f0fa99566d24c2b98f17a6599a7941e [2018-12-08 13:40:44,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:40:44,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:40:44,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:40:44,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:40:44,136 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:40:44,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44, skipping insertion in model container [2018-12-08 13:40:44,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:40:44,151 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:40:44,231 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:40:44,233 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:40:44,241 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:40:44,248 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:40:44,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44 WrapperNode [2018-12-08 13:40:44,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:40:44,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:40:44,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:40:44,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:40:44,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:40:44,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:40:44,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:40:44,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:40:44,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... [2018-12-08 13:40:44,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:40:44,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:40:44,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:40:44,277 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:40:44,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:40:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:40:44,401 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:40:44,401 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 13:40:44,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:40:44 BoogieIcfgContainer [2018-12-08 13:40:44,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:40:44,402 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 13:40:44,402 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 13:40:44,404 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 13:40:44,405 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 13:40:44,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 01:40:44" (1/3) ... [2018-12-08 13:40:44,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a76f4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 01:40:44, skipping insertion in model container [2018-12-08 13:40:44,406 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 13:40:44,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:44" (2/3) ... [2018-12-08 13:40:44,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a76f4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 01:40:44, skipping insertion in model container [2018-12-08 13:40:44,406 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 13:40:44,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:40:44" (3/3) ... [2018-12-08 13:40:44,407 INFO L375 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2018-12-08 13:40:44,439 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 13:40:44,439 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 13:40:44,439 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 13:40:44,439 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 13:40:44,439 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 13:40:44,439 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 13:40:44,439 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 13:40:44,439 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 13:40:44,439 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 13:40:44,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-12-08 13:40:44,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 13:40:44,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 13:40:44,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 13:40:44,462 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 13:40:44,462 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 13:40:44,462 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 13:40:44,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-12-08 13:40:44,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 13:40:44,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 13:40:44,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 13:40:44,463 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 13:40:44,463 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 13:40:44,468 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~N~0;havoc main_~i~0;havoc main_~j~0;havoc main_~N~0;main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~N~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := main_~N~0; 6#L19-2true [2018-12-08 13:40:44,468 INFO L796 eck$LassoCheckResult]: Loop: 6#L19-2true assume !!(main_~i~0 > 0); 8#L19true assume main_~j~0 > 0;main_~j~0 := main_~j~0 - 1; 6#L19-2true [2018-12-08 13:40:44,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:44,471 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-08 13:40:44,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:44,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:44,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:40:44,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:44,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2018-12-08 13:40:44,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:44,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:44,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:40:44,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:44,535 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2018-12-08 13:40:44,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:44,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:44,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:40:44,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,567 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 13:40:44,568 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 13:40:44,568 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 13:40:44,568 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 13:40:44,568 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 13:40:44,568 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:44,568 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 13:40:44,568 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 13:40:44,568 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-08 13:40:44,569 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 13:40:44,569 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 13:40:44,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,645 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 13:40:44,645 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:44,648 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 13:40:44,649 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 13:40:44,667 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 13:40:44,668 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:44,670 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 13:40:44,671 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 13:40:44,686 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 13:40:44,686 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:44,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 13:40:44,689 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:44,705 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 13:40:44,705 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 13:40:44,722 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 13:40:44,723 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 13:40:44,723 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 13:40:44,723 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 13:40:44,723 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 13:40:44,723 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 13:40:44,723 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:44,723 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 13:40:44,723 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 13:40:44,723 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-08 13:40:44,724 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 13:40:44,724 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 13:40:44,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,764 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 13:40:44,767 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 13:40:44,768 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 13:40:44,769 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 13:40:44,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 13:40:44,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 13:40:44,769 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 13:40:44,772 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 13:40:44,772 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 13:40:44,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 13:40:44,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 13:40:44,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 13:40:44,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 13:40:44,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 13:40:44,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 13:40:44,778 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 13:40:44,779 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 13:40:44,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 13:40:44,782 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 13:40:44,784 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 13:40:44,784 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-08 13:40:44,785 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 13:40:44,785 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-08 13:40:44,786 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 13:40:44,786 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-12-08 13:40:44,786 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-08 13:40:44,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:44,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:44,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:44,827 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-12-08 13:40:44,828 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2018-12-08 13:40:44,851 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 6 states. [2018-12-08 13:40:44,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-08 13:40:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-08 13:40:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2018-12-08 13:40:44,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2018-12-08 13:40:44,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:44,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2018-12-08 13:40:44,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:44,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2018-12-08 13:40:44,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:44,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2018-12-08 13:40:44,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 13:40:44,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2018-12-08 13:40:44,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-12-08 13:40:44,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-12-08 13:40:44,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2018-12-08 13:40:44,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-08 13:40:44,865 INFO L705 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-12-08 13:40:44,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2018-12-08 13:40:44,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-12-08 13:40:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-08 13:40:44,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2018-12-08 13:40:44,885 INFO L728 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-12-08 13:40:44,885 INFO L608 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-12-08 13:40:44,885 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 13:40:44,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2018-12-08 13:40:44,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 13:40:44,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 13:40:44,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 13:40:44,885 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-08 13:40:44,885 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 13:40:44,886 INFO L794 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~N~0;havoc main_~i~0;havoc main_~j~0;havoc main_~N~0;main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~N~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := main_~N~0; 64#L19-2 assume !!(main_~i~0 > 0); 69#L19 assume !(main_~j~0 > 0);main_~j~0 := main_~N~0;main_~i~0 := main_~i~0 - 1; 65#L19-2 [2018-12-08 13:40:44,886 INFO L796 eck$LassoCheckResult]: Loop: 65#L19-2 assume !!(main_~i~0 > 0); 66#L19 assume main_~j~0 > 0;main_~j~0 := main_~j~0 - 1; 65#L19-2 [2018-12-08 13:40:44,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:44,886 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-12-08 13:40:44,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:44,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:44,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:40:44,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:44,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2018-12-08 13:40:44,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:44,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:44,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:40:44,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:44,895 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2018-12-08 13:40:44,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:44,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:44,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,896 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 13:40:44,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:44,916 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 13:40:44,916 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 13:40:44,916 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 13:40:44,917 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 13:40:44,917 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 13:40:44,917 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:44,917 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 13:40:44,917 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 13:40:44,917 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-08 13:40:44,917 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 13:40:44,917 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 13:40:44,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:44,952 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 13:40:44,952 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/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 [2018-12-08 13:40:44,954 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 13:40:44,954 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 13:40:44,978 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 13:40:44,978 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/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 [2018-12-08 13:40:44,980 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 13:40:44,980 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/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 [2018-12-08 13:40:44,996 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 13:40:44,996 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 13:40:45,012 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 13:40:45,013 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 13:40:45,013 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 13:40:45,013 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 13:40:45,013 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 13:40:45,013 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 13:40:45,013 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:45,013 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 13:40:45,013 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 13:40:45,013 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-08 13:40:45,013 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 13:40:45,013 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 13:40:45,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,040 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 13:40:45,040 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 13:40:45,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 13:40:45,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 13:40:45,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 13:40:45,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 13:40:45,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 13:40:45,041 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 13:40:45,042 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 13:40:45,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 13:40:45,045 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 13:40:45,047 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 13:40:45,047 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-08 13:40:45,047 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 13:40:45,047 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-08 13:40:45,048 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 13:40:45,048 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-12-08 13:40:45,048 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-08 13:40:45,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:45,068 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-12-08 13:40:45,068 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-12-08 13:40:45,077 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 16 transitions. Complement of second has 5 states. [2018-12-08 13:40:45,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-08 13:40:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-08 13:40:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2018-12-08 13:40:45,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2018-12-08 13:40:45,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2018-12-08 13:40:45,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2018-12-08 13:40:45,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2018-12-08 13:40:45,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 13:40:45,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2018-12-08 13:40:45,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-12-08 13:40:45,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-12-08 13:40:45,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2018-12-08 13:40:45,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-08 13:40:45,080 INFO L705 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2018-12-08 13:40:45,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2018-12-08 13:40:45,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-12-08 13:40:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-12-08 13:40:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2018-12-08 13:40:45,081 INFO L728 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2018-12-08 13:40:45,081 INFO L608 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2018-12-08 13:40:45,081 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-08 13:40:45,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2018-12-08 13:40:45,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 13:40:45,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 13:40:45,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 13:40:45,082 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2018-12-08 13:40:45,082 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 13:40:45,082 INFO L794 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~N~0;havoc main_~i~0;havoc main_~j~0;havoc main_~N~0;main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~N~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := main_~N~0; 117#L19-2 assume !!(main_~i~0 > 0); 122#L19 assume !(main_~j~0 > 0);main_~j~0 := main_~N~0;main_~i~0 := main_~i~0 - 1; 123#L19-2 assume !!(main_~i~0 > 0); 124#L19 assume !(main_~j~0 > 0);main_~j~0 := main_~N~0;main_~i~0 := main_~i~0 - 1; 118#L19-2 [2018-12-08 13:40:45,082 INFO L796 eck$LassoCheckResult]: Loop: 118#L19-2 assume !!(main_~i~0 > 0); 119#L19 assume main_~j~0 > 0;main_~j~0 := main_~j~0 - 1; 118#L19-2 [2018-12-08 13:40:45,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,082 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2018-12-08 13:40:45,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:45,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:45,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:40:45,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:45,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:40:45,121 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:40:45,130 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 13:40:45,134 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 13:40:45,134 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 13:40:45,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:45,175 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:40:45,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-12-08 13:40:45,177 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-08 13:40:45,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2018-12-08 13:40:45,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:45,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:45,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,178 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 13:40:45,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:45,187 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 13:40:45,187 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 13:40:45,187 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 13:40:45,187 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 13:40:45,187 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 13:40:45,187 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:45,188 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 13:40:45,188 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 13:40:45,188 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration3_Loop [2018-12-08 13:40:45,188 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 13:40:45,188 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 13:40:45,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,216 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 13:40:45,216 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/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 [2018-12-08 13:40:45,217 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 13:40:45,218 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 13:40:45,241 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 13:40:45,241 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:45,244 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 13:40:45,244 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/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 [2018-12-08 13:40:45,260 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 13:40:45,261 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 13:40:45,276 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 13:40:45,277 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 13:40:45,277 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 13:40:45,278 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 13:40:45,278 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 13:40:45,278 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 13:40:45,278 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:45,278 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 13:40:45,278 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 13:40:45,278 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration3_Loop [2018-12-08 13:40:45,278 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 13:40:45,278 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 13:40:45,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,318 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 13:40:45,319 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 13:40:45,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 13:40:45,320 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 13:40:45,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 13:40:45,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 13:40:45,320 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 13:40:45,321 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 13:40:45,321 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 13:40:45,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 13:40:45,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 13:40:45,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 13:40:45,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 13:40:45,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 13:40:45,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 13:40:45,325 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 13:40:45,325 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 13:40:45,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 13:40:45,327 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 13:40:45,329 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 13:40:45,329 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-08 13:40:45,329 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 13:40:45,330 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-08 13:40:45,330 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 13:40:45,330 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-12-08 13:40:45,330 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-08 13:40:45,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:45,344 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-12-08 13:40:45,344 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-12-08 13:40:45,349 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2018-12-08 13:40:45,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-08 13:40:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-08 13:40:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2018-12-08 13:40:45,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2018-12-08 13:40:45,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,350 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-08 13:40:45,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:45,364 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2018-12-08 13:40:45,364 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-12-08 13:40:45,368 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2018-12-08 13:40:45,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-08 13:40:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-08 13:40:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2018-12-08 13:40:45,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2018-12-08 13:40:45,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,369 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-08 13:40:45,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:45,384 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 1 loop predicates [2018-12-08 13:40:45,384 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-12-08 13:40:45,389 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 15 states and 23 transitions. Complement of second has 4 states. [2018-12-08 13:40:45,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-08 13:40:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-08 13:40:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2018-12-08 13:40:45,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2018-12-08 13:40:45,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2018-12-08 13:40:45,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2018-12-08 13:40:45,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2018-12-08 13:40:45,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-12-08 13:40:45,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2018-12-08 13:40:45,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-12-08 13:40:45,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-12-08 13:40:45,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2018-12-08 13:40:45,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-08 13:40:45,393 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-12-08 13:40:45,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2018-12-08 13:40:45,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2018-12-08 13:40:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-08 13:40:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2018-12-08 13:40:45,394 INFO L728 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2018-12-08 13:40:45,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 13:40:45,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:40:45,397 INFO L87 Difference]: Start difference. First operand 5 states and 7 transitions. Second operand 7 states. [2018-12-08 13:40:45,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:40:45,422 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2018-12-08 13:40:45,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 13:40:45,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2018-12-08 13:40:45,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-12-08 13:40:45,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 10 states and 13 transitions. [2018-12-08 13:40:45,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-12-08 13:40:45,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-12-08 13:40:45,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2018-12-08 13:40:45,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-08 13:40:45,423 INFO L705 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2018-12-08 13:40:45,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2018-12-08 13:40:45,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 6. [2018-12-08 13:40:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-12-08 13:40:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2018-12-08 13:40:45,424 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2018-12-08 13:40:45,424 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2018-12-08 13:40:45,424 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-08 13:40:45,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2018-12-08 13:40:45,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-12-08 13:40:45,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 13:40:45,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 13:40:45,425 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-08 13:40:45,425 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2018-12-08 13:40:45,425 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~N~0;havoc main_~i~0;havoc main_~j~0;havoc main_~N~0;main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~N~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := main_~N~0; 296#L19-2 assume !!(main_~i~0 > 0); 300#L19 [2018-12-08 13:40:45,425 INFO L796 eck$LassoCheckResult]: Loop: 300#L19 assume !(main_~j~0 > 0);main_~j~0 := main_~N~0;main_~i~0 := main_~i~0 - 1; 297#L19-2 assume !!(main_~i~0 > 0); 298#L19 assume main_~j~0 > 0;main_~j~0 := main_~j~0 - 1; 299#L19-2 assume !!(main_~i~0 > 0); 300#L19 [2018-12-08 13:40:45,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-08 13:40:45,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:45,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:45,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,426 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 13:40:45,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:45,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2018-12-08 13:40:45,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:45,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:45,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:40:45,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:45,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,432 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 2 times [2018-12-08 13:40:45,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:40:45,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:40:45,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:40:45,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:40:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:40:45,457 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 13:40:45,457 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 13:40:45,457 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 13:40:45,457 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 13:40:45,457 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 13:40:45,458 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:45,458 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 13:40:45,458 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 13:40:45,458 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration4_Loop [2018-12-08 13:40:45,458 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 13:40:45,458 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 13:40:45,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,496 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 13:40:45,496 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/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 [2018-12-08 13:40:45,498 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 13:40:45,498 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79b5d983-c45c-412b-8e60-cf7eaae55df5/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:45,517 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 13:40:45,517 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 13:40:45,554 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 13:40:45,555 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 13:40:45,556 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 13:40:45,556 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 13:40:45,556 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 13:40:45,556 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 13:40:45,556 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 13:40:45,556 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 13:40:45,556 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 13:40:45,556 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c_Iteration4_Loop [2018-12-08 13:40:45,556 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 13:40:45,556 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 13:40:45,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 13:40:45,612 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 13:40:45,612 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 13:40:45,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 13:40:45,613 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 13:40:45,613 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 13:40:45,613 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 13:40:45,613 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 13:40:45,613 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 13:40:45,614 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 13:40:45,614 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 13:40:45,615 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 13:40:45,617 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 13:40:45,617 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-08 13:40:45,618 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 13:40:45,618 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-08 13:40:45,618 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 13:40:45,618 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-12-08 13:40:45,618 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-08 13:40:45,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:45,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:40:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:45,652 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-12-08 13:40:45,652 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand 4 states. [2018-12-08 13:40:45,660 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 18 states and 24 transitions. Complement of second has 6 states. [2018-12-08 13:40:45,660 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 [2018-12-08 13:40:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-08 13:40:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-12-08 13:40:45,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2018-12-08 13:40:45,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2018-12-08 13:40:45,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 8 letters. [2018-12-08 13:40:45,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 13:40:45,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2018-12-08 13:40:45,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 13:40:45,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2018-12-08 13:40:45,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 13:40:45,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 13:40:45,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 13:40:45,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 13:40:45,662 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 13:40:45,662 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 13:40:45,662 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 13:40:45,662 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-12-08 13:40:45,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 13:40:45,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 13:40:45,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 13:40:45,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 01:40:45 BoogieIcfgContainer [2018-12-08 13:40:45,666 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 13:40:45,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:40:45,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:40:45,666 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:40:45,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:40:44" (3/4) ... [2018-12-08 13:40:45,669 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 13:40:45,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:40:45,670 INFO L168 Benchmark]: Toolchain (without parser) took 1536.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 961.4 MB in the beginning and 849.2 MB in the end (delta: 112.2 MB). Peak memory consumption was 238.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:40:45,671 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:40:45,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.61 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 949.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:40:45,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.24 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:40:45,672 INFO L168 Benchmark]: Boogie Preprocessor took 10.12 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:40:45,672 INFO L168 Benchmark]: RCFGBuilder took 125.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-08 13:40:45,672 INFO L168 Benchmark]: BuchiAutomizer took 1263.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.2 MB in the end (delta: 263.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:40:45,672 INFO L168 Benchmark]: Witness Printer took 3.40 ms. Allocated memory is still 1.2 GB. Free memory is still 849.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:40:45,674 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 114.61 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 949.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.24 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.12 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 125.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1263.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.2 MB in the end (delta: 263.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.40 ms. Allocated memory is still 1.2 GB. Free memory is still 849.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function j and consists of 4 locations. One deterministic module has affine ranking function j and consists of 3 locations. One deterministic module has affine ranking function i and consists of 4 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 31 SDtfs, 32 SDslu, 10 SDs, 0 SdLazy, 40 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax182 hnf99 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...