./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5465a084053aead702161d951dd339bfa1665d5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:33:58,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:33:58,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:33:58,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:33:58,692 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:33:58,693 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:33:58,694 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:33:58,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:33:58,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:33:58,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:33:58,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:33:58,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:33:58,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:33:58,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:33:58,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:33:58,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:33:58,700 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:33:58,701 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:33:58,703 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:33:58,704 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:33:58,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:33:58,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:33:58,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:33:58,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:33:58,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:33:58,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:33:58,710 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:33:58,710 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:33:58,711 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:33:58,712 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:33:58,712 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:33:58,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:33:58,713 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:33:58,713 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:33:58,714 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:33:58,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:33:58,714 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 10:33:58,726 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:33:58,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:33:58,727 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:33:58,727 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:33:58,727 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:33:58,727 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 10:33:58,728 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 10:33:58,728 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 10:33:58,728 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 10:33:58,728 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 10:33:58,728 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 10:33:58,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:33:58,728 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:33:58,729 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 10:33:58,729 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:33:58,729 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:33:58,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:33:58,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 10:33:58,729 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 10:33:58,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 10:33:58,730 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:33:58,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:33:58,730 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 10:33:58,730 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:33:58,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 10:33:58,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:33:58,731 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:33:58,731 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 10:33:58,731 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:33:58,731 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:33:58,731 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 10:33:58,732 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 10:33:58,732 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_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5465a084053aead702161d951dd339bfa1665d5 [2018-11-28 10:33:58,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:33:58,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:33:58,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:33:58,768 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:33:58,769 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:33:58,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/../../sv-benchmarks/c/loops/sum01_bug02_false-unreach-call_true-termination.i [2018-11-28 10:33:58,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/data/ef365a054/5224cd4883bd4f26ad5d5fb026c19f94/FLAGc0fce0f19 [2018-11-28 10:33:59,211 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:33:59,211 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/sv-benchmarks/c/loops/sum01_bug02_false-unreach-call_true-termination.i [2018-11-28 10:33:59,216 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/data/ef365a054/5224cd4883bd4f26ad5d5fb026c19f94/FLAGc0fce0f19 [2018-11-28 10:33:59,226 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/data/ef365a054/5224cd4883bd4f26ad5d5fb026c19f94 [2018-11-28 10:33:59,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:33:59,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:33:59,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:59,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:33:59,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:33:59,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bce3877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59, skipping insertion in model container [2018-11-28 10:33:59,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:33:59,251 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:33:59,347 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:59,350 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:33:59,359 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:59,367 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:33:59,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59 WrapperNode [2018-11-28 10:33:59,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:59,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:59,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:33:59,369 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:33:59,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:59,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:33:59,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:33:59,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:33:59,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... [2018-11-28 10:33:59,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:33:59,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:33:59,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:33:59,435 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:33:59,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:33:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:33:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:33:59,566 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:33:59,566 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 10:33:59,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:59 BoogieIcfgContainer [2018-11-28 10:33:59,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:33:59,567 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 10:33:59,567 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 10:33:59,570 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 10:33:59,571 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:59,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 10:33:59" (1/3) ... [2018-11-28 10:33:59,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b81ba45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:33:59, skipping insertion in model container [2018-11-28 10:33:59,572 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:59,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:59" (2/3) ... [2018-11-28 10:33:59,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b81ba45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:33:59, skipping insertion in model container [2018-11-28 10:33:59,573 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:59,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:59" (3/3) ... [2018-11-28 10:33:59,575 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum01_bug02_false-unreach-call_true-termination.i [2018-11-28 10:33:59,621 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:33:59,622 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 10:33:59,622 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 10:33:59,622 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 10:33:59,622 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:33:59,622 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:33:59,622 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 10:33:59,622 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:33:59,622 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 10:33:59,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 10:33:59,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 10:33:59,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:59,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:59,657 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 10:33:59,657 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-28 10:33:59,658 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 10:33:59,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 10:33:59,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 10:33:59,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:59,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:59,659 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 10:33:59,659 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-28 10:33:59,666 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2018-11-28 10:33:59,666 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 11#L14true assume main_~i~0 < main_~j~0;main_~sn~0 := 2 + main_~sn~0; 7#L14-2true main_#t~post2 := main_~j~0;main_~j~0 := main_#t~post2 - 1;havoc main_#t~post2; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2018-11-28 10:33:59,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:59,671 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 10:33:59,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:59,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:59,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:59,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:59,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:59,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:59,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1203686, now seen corresponding path program 1 times [2018-11-28 10:33:59,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:59,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:59,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:59,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:59,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:59,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:59,753 INFO L82 PathProgramCache]: Analyzing trace with hash 29832837, now seen corresponding path program 1 times [2018-11-28 10:33:59,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:59,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:59,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:59,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:59,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:59,817 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:33:59,817 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:33:59,818 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:33:59,818 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:33:59,818 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 10:33:59,818 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:33:59,818 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:33:59,818 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:33:59,818 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_false-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 10:33:59,818 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:33:59,819 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:33:59,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:33:59,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:33:59,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:33:59,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:33:59,923 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:33:59,924 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:33:59,930 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:33:59,930 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:33:59,951 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 10:33:59,951 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:33:59,964 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:33:59,964 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=-2}, {ULTIMATE.start_main_~sn~0=6}, {ULTIMATE.start_main_~sn~0=-2}] Lambdas: [4, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:33:59,993 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:33:59,993 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:34:00,017 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 10:34:00,018 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:34:00,092 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 10:34:00,093 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:34:00,093 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:34:00,094 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:34:00,094 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:34:00,094 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 10:34:00,094 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:34:00,094 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:34:00,094 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:34:00,094 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_false-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 10:34:00,094 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:34:00,094 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:34:00,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,150 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:34:00,153 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 10:34:00,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:34:00,155 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:34:00,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:34:00,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:34:00,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:34:00,156 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:34:00,158 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:34:00,158 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:34:00,161 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 10:34:00,162 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:34:00,162 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:34:00,163 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:34:00,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:34:00,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:34:00,163 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:34:00,164 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:34:00,164 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:34:00,170 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 10:34:00,175 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 10:34:00,175 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 10:34:00,177 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 10:34:00,177 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 10:34:00,177 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 10:34:00,177 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-11-28 10:34:00,178 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 10:34:00,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:00,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:00,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:34:00,253 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 [2018-11-28 10:34:00,253 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2018-11-28 10:34:00,297 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 34 states and 44 transitions. Complement of second has 7 states. [2018-11-28 10:34:00,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 10:34:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-28 10:34:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2018-11-28 10:34:00,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 1 letters. Loop has 4 letters. [2018-11-28 10:34:00,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:34:00,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-28 10:34:00,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:34:00,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 1 letters. Loop has 8 letters. [2018-11-28 10:34:00,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:34:00,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2018-11-28 10:34:00,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 10:34:00,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 14 states and 17 transitions. [2018-11-28 10:34:00,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-28 10:34:00,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2018-11-28 10:34:00,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2018-11-28 10:34:00,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 10:34:00,308 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2018-11-28 10:34:00,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2018-11-28 10:34:00,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2018-11-28 10:34:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-28 10:34:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2018-11-28 10:34:00,325 INFO L728 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-28 10:34:00,325 INFO L608 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-28 10:34:00,325 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 10:34:00,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2018-11-28 10:34:00,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 10:34:00,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:34:00,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:34:00,326 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 10:34:00,326 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-28 10:34:00,326 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 93#L13-3 assume !!(main_~i~0 <= main_~n~0); 89#L14 [2018-11-28 10:34:00,326 INFO L796 eck$LassoCheckResult]: Loop: 89#L14 assume !(main_~i~0 < main_~j~0); 96#L14-2 main_#t~post2 := main_~j~0;main_~j~0 := main_#t~post2 - 1;havoc main_#t~post2; 94#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 88#L13-3 assume !!(main_~i~0 <= main_~n~0); 89#L14 [2018-11-28 10:34:00,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:00,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2018-11-28 10:34:00,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:00,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:00,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:00,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:00,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:00,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:00,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1356538, now seen corresponding path program 1 times [2018-11-28 10:34:00,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:00,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:00,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:00,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:00,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:00,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:00,338 INFO L82 PathProgramCache]: Analyzing trace with hash 924877538, now seen corresponding path program 1 times [2018-11-28 10:34:00,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:00,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:00,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:00,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:00,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:34:00,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:00,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:34:00,387 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:34:00,388 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:34:00,388 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:34:00,388 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:34:00,388 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 10:34:00,388 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:34:00,388 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:34:00,388 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:34:00,388 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_false-unreach-call_true-termination.i_Iteration2_Loop [2018-11-28 10:34:00,388 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:34:00,388 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:34:00,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,451 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:34:00,451 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:34:00,458 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:34:00,458 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:34:00,461 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:34:00,461 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:34:00,486 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:34:00,486 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e93ba0d5-22c8-4136-bbaa-f8fa1ba3f6e9/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:34:00,508 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 10:34:00,508 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:34:00,767 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 10:34:00,769 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:34:00,769 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:34:00,769 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:34:00,769 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:34:00,769 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 10:34:00,769 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:34:00,769 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:34:00,769 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:34:00,769 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_false-unreach-call_true-termination.i_Iteration2_Loop [2018-11-28 10:34:00,769 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:34:00,769 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:34:00,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:34:00,802 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:34:00,802 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 10:34:00,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:34:00,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:34:00,803 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:34:00,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:34:00,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:34:00,803 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:34:00,804 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:34:00,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:34:00,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 10:34:00,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:34:00,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:34:00,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:34:00,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:34:00,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:34:00,806 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:34:00,807 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:34:00,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:34:00,811 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 10:34:00,816 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 10:34:00,816 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 10:34:00,817 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 10:34:00,817 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 10:34:00,817 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 10:34:00,817 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-11-28 10:34:00,817 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 10:34:00,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:00,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:00,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:34:00,845 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 10:34:00,845 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2018-11-28 10:34:00,858 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 22 states and 28 transitions. Complement of second has 6 states. [2018-11-28 10:34:00,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 10:34:00,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 10:34:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2018-11-28 10:34:00,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-28 10:34:00,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:34:00,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-28 10:34:00,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:34:00,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-28 10:34:00,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:34:00,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2018-11-28 10:34:00,860 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 10:34:00,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2018-11-28 10:34:00,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 10:34:00,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 10:34:00,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 10:34:00,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:34:00,860 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:34:00,861 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:34:00,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:34:00,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:34:00,863 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-28 10:34:00,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:00,865 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 10:34:00,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:34:00,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 10:34:00,865 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 10:34:00,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:34:00,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 10:34:00,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 10:34:00,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 10:34:00,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:34:00,866 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:34:00,866 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:34:00,866 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:34:00,866 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 10:34:00,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:34:00,866 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 10:34:00,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 10:34:00,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 10:34:00 BoogieIcfgContainer [2018-11-28 10:34:00,870 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 10:34:00,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:34:00,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:34:00,870 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:34:00,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:59" (3/4) ... [2018-11-28 10:34:00,873 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 10:34:00,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:34:00,873 INFO L168 Benchmark]: Toolchain (without parser) took 1644.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 953.3 MB in the beginning and 971.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 122.3 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:00,874 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:00,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.11 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:00,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.76 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:00,875 INFO L168 Benchmark]: Boogie Preprocessor took 45.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:00,876 INFO L168 Benchmark]: RCFGBuilder took 132.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:00,878 INFO L168 Benchmark]: BuchiAutomizer took 1302.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.0 MB in the end (delta: 153.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:00,878 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory is still 971.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:00,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.11 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.76 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 132.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1302.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.0 MB in the end (delta: 153.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory is still 971.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function j + -1 * i and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 12 SDs, 0 SdLazy, 26 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf97 lsp89 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...