./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB17_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB17_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 b15653f6a2dde479fee065502d45075dfcaf4f25 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:55:20,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:55:20,431 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:55:20,437 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:55:20,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:55:20,438 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:55:20,439 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:55:20,440 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:55:20,441 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:55:20,442 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:55:20,443 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:55:20,443 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:55:20,444 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:55:20,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:55:20,444 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:55:20,445 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:55:20,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:55:20,446 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:55:20,447 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:55:20,449 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:55:20,449 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:55:20,450 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:55:20,451 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:55:20,451 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:55:20,451 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:55:20,452 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:55:20,452 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:55:20,452 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:55:20,453 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:55:20,454 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:55:20,454 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:55:20,454 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:55:20,454 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:55:20,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:55:20,455 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:55:20,456 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:55:20,456 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 06:55:20,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:55:20,465 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:55:20,466 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:55:20,466 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:55:20,466 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:55:20,466 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 06:55:20,466 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 06:55:20,467 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 06:55:20,467 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 06:55:20,467 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 06:55:20,467 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 06:55:20,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:55:20,467 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:55:20,467 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:55:20,467 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:55:20,467 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 06:55:20,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 06:55:20,468 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 06:55:20,468 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:55:20,468 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 06:55:20,468 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:55:20,468 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 06:55:20,468 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:55:20,468 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:55:20,469 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 06:55:20,469 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:55:20,469 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:55:20,469 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 06:55:20,470 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 06:55:20,470 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_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 -> b15653f6a2dde479fee065502d45075dfcaf4f25 [2018-11-23 06:55:20,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:55:20,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:55:20,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:55:20,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:55:20,504 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:55:20,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/PastaB17_true-termination_true-no-overflow.c [2018-11-23 06:55:20,540 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/data/fd47e12ef/0a2cf219a983413290347d89196bcc1b/FLAG731a108d5 [2018-11-23 06:55:20,932 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:55:20,932 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/sv-benchmarks/c/termination-restricted-15/PastaB17_true-termination_true-no-overflow.c [2018-11-23 06:55:20,935 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/data/fd47e12ef/0a2cf219a983413290347d89196bcc1b/FLAG731a108d5 [2018-11-23 06:55:20,944 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/data/fd47e12ef/0a2cf219a983413290347d89196bcc1b [2018-11-23 06:55:20,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:55:20,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:55:20,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:55:20,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:55:20,950 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:55:20,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:55:20" (1/1) ... [2018-11-23 06:55:20,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154ee74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:20, skipping insertion in model container [2018-11-23 06:55:20,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:55:20" (1/1) ... [2018-11-23 06:55:20,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:55:20,970 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:55:21,068 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:55:21,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:55:21,078 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:55:21,089 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:55:21,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21 WrapperNode [2018-11-23 06:55:21,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:55:21,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:55:21,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:55:21,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:55:21,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:55:21,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:55:21,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:55:21,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:55:21,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... [2018-11-23 06:55:21,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:55:21,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:55:21,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:55:21,122 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:55:21,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 [2018-11-23 06:55:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:55:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:55:21,296 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:55:21,296 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 06:55:21,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:55:21 BoogieIcfgContainer [2018-11-23 06:55:21,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:55:21,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 06:55:21,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 06:55:21,300 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 06:55:21,300 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:55:21,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 06:55:20" (1/3) ... [2018-11-23 06:55:21,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2495db04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:55:21, skipping insertion in model container [2018-11-23 06:55:21,302 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:55:21,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:55:21" (2/3) ... [2018-11-23 06:55:21,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2495db04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:55:21, skipping insertion in model container [2018-11-23 06:55:21,302 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:55:21,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:55:21" (3/3) ... [2018-11-23 06:55:21,304 INFO L375 chiAutomizerObserver]: Analyzing ICFG PastaB17_true-termination_true-no-overflow.c [2018-11-23 06:55:21,341 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:55:21,341 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 06:55:21,341 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 06:55:21,341 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 06:55:21,342 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:55:21,342 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:55:21,342 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 06:55:21,342 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:55:21,342 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 06:55:21,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 06:55:21,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 06:55:21,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 06:55:21,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 06:55:21,370 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 06:55:21,370 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 06:55:21,370 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 06:55:21,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 06:55:21,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 06:55:21,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 06:55:21,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 06:55:21,371 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 06:55:21,372 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 06:55:21,376 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L13-2true [2018-11-23 06:55:21,377 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 > main_~z~0); 7#L14-2true assume !(main_~y~0 > main_~z~0); 6#L14-3true main_~x~0 := main_~x~0 - 1; 5#L13-2true [2018-11-23 06:55:21,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:55:21,380 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 06:55:21,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:55:21,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:55:21,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:21,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:55:21,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:21,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:55:21,440 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2018-11-23 06:55:21,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:55:21,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:55:21,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:21,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:55:21,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:21,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:55:21,451 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2018-11-23 06:55:21,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:55:21,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:55:21,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:21,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:55:21,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:21,519 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:55:21,520 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:55:21,520 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:55:21,520 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:55:21,520 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 06:55:21,520 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:55:21,520 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:55:21,520 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:55:21,521 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-23 06:55:21,521 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:55:21,521 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:55:21,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:21,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:21,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:21,652 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:55:21,653 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 [2018-11-23 06:55:21,656 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:55:21,656 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:55:21,685 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:55:21,686 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_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 [2018-11-23 06:55:21,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:55:21,689 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:55:21,705 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:55:21,705 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_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 [2018-11-23 06:55:21,707 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:55:21,707 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 [2018-11-23 06:55:21,725 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 06:55:21,725 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:55:21,947 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 06:55:21,948 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:55:21,949 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:55:21,949 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:55:21,949 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:55:21,949 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 06:55:21,949 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:55:21,949 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:55:21,949 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:55:21,949 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-23 06:55:21,949 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:55:21,949 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:55:21,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:21,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:21,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:21,989 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:55:21,992 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 06:55:21,993 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 [2018-11-23 06:55:21,994 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:55:21,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:55:21,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:55:21,994 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:55:21,998 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:55:21,998 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:55:22,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:55:22,006 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 [2018-11-23 06:55:22,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:55:22,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:55:22,007 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:55:22,007 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:55:22,008 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:55:22,009 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:55:22,015 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:55:22,015 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 [2018-11-23 06:55:22,016 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:55:22,017 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:55:22,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:55:22,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:55:22,017 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:55:22,018 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:55:22,018 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:55:22,023 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 06:55:22,030 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-23 06:55:22,030 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 06:55:22,032 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 06:55:22,032 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 06:55:22,032 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 06:55:22,033 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-11-23 06:55:22,034 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 06:55:22,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:55:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:55:22,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:55:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:55:22,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:55:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:55:22,138 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 [2018-11-23 06:55:22,139 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2018-11-23 06:55:22,166 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2018-11-23 06:55:22,167 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 [2018-11-23 06:55:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 06:55:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2018-11-23 06:55:22,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2018-11-23 06:55:22,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:55:22,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-23 06:55:22,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:55:22,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2018-11-23 06:55:22,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:55:22,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2018-11-23 06:55:22,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 06:55:22,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2018-11-23 06:55:22,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2018-11-23 06:55:22,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2018-11-23 06:55:22,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2018-11-23 06:55:22,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 06:55:22,178 INFO L705 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-23 06:55:22,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2018-11-23 06:55:22,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2018-11-23 06:55:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 06:55:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2018-11-23 06:55:22,194 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2018-11-23 06:55:22,194 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2018-11-23 06:55:22,194 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 06:55:22,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2018-11-23 06:55:22,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 06:55:22,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 06:55:22,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 06:55:22,195 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 06:55:22,195 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 06:55:22,195 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 71#L13-2 assume !!(main_~x~0 > main_~z~0); 73#L14-2 [2018-11-23 06:55:22,195 INFO L796 eck$LassoCheckResult]: Loop: 73#L14-2 assume !!(main_~y~0 > main_~z~0);main_~y~0 := main_~y~0 - 1; 73#L14-2 [2018-11-23 06:55:22,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:55:22,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-23 06:55:22,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:55:22,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:55:22,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:22,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:55:22,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:22,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:55:22,200 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2018-11-23 06:55:22,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:55:22,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:55:22,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:22,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:55:22,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:22,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:55:22,205 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2018-11-23 06:55:22,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:55:22,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:55:22,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:22,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:55:22,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:55:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:55:22,219 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:55:22,219 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:55:22,219 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:55:22,219 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:55:22,220 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 06:55:22,220 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:55:22,220 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:55:22,220 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:55:22,220 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-23 06:55:22,220 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:55:22,220 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:55:22,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:22,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:22,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:22,270 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:55:22,270 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 [2018-11-23 06:55:22,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:55:22,272 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:55:22,287 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:55:22,287 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_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 [2018-11-23 06:55:22,291 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:55:22,291 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:55:22,307 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:55:22,307 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/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 [2018-11-23 06:55:22,310 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:55:22,310 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_788a3a6c-9821-4e5d-9239-0edf5b6a775b/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:55:22,326 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 06:55:22,327 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:55:22,460 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 06:55:22,461 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:55:22,461 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:55:22,461 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:55:22,461 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:55:22,461 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 06:55:22,461 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:55:22,462 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:55:22,462 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:55:22,462 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-23 06:55:22,462 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:55:22,462 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:55:22,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:22,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:22,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:55:22,489 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:55:22,489 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 06:55:22,490 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 [2018-11-23 06:55:22,490 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:55:22,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:55:22,490 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:55:22,490 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:55:22,491 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:55:22,492 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:55:22,495 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:55:22,496 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 [2018-11-23 06:55:22,496 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:55:22,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:55:22,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:55:22,496 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:55:22,498 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:55:22,498 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:55:22,502 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:55:22,502 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 [2018-11-23 06:55:22,503 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:55:22,503 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:55:22,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:55:22,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:55:22,503 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:55:22,504 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:55:22,504 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:55:22,507 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 06:55:22,509 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 06:55:22,510 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 06:55:22,510 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 06:55:22,510 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 06:55:22,510 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 06:55:22,510 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2018-11-23 06:55:22,510 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 06:55:22,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:55:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:55:22,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:55:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:55:22,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:55:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:55:22,546 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 [2018-11-23 06:55:22,547 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2018-11-23 06:55:22,563 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 4 states. [2018-11-23 06:55:22,563 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 [2018-11-23 06:55:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 06:55:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2018-11-23 06:55:22,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2018-11-23 06:55:22,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:55:22,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2018-11-23 06:55:22,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:55:22,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2018-11-23 06:55:22,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 06:55:22,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2018-11-23 06:55:22,566 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 06:55:22,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2018-11-23 06:55:22,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 06:55:22,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 06:55:22,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 06:55:22,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 06:55:22,567 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:55:22,567 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:55:22,567 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:55:22,567 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 06:55:22,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:55:22,567 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 06:55:22,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 06:55:22,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 06:55:22 BoogieIcfgContainer [2018-11-23 06:55:22,573 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 06:55:22,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:55:22,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:55:22,574 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:55:22,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:55:21" (3/4) ... [2018-11-23 06:55:22,577 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 06:55:22,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:55:22,578 INFO L168 Benchmark]: Toolchain (without parser) took 1632.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 961.9 MB in the beginning and 999.0 MB in the end (delta: -37.1 MB). Peak memory consumption was 98.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:55:22,580 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:55:22,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:55:22,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.21 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:55:22,581 INFO L168 Benchmark]: Boogie Preprocessor took 11.02 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:55:22,582 INFO L168 Benchmark]: RCFGBuilder took 175.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:55:22,582 INFO L168 Benchmark]: BuchiAutomizer took 1276.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.0 MB in the end (delta: 122.0 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:55:22,583 INFO L168 Benchmark]: Witness Printer took 4.10 ms. Allocated memory is still 1.2 GB. Free memory is still 999.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:55:22,586 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.21 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.02 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 175.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1276.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.0 MB in the end (delta: 122.0 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.10 ms. Allocated memory is still 1.2 GB. Free memory is still 999.0 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * z + x and consists of 5 locations. One deterministic module has affine ranking function -1 * z + y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 7 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf98 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 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...