./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:12:54,396 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:12:54,398 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:12:54,407 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:12:54,408 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:12:54,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:12:54,410 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:12:54,411 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:12:54,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:12:54,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:12:54,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:12:54,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:12:54,415 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:12:54,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:12:54,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:12:54,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:12:54,417 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:12:54,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:12:54,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:12:54,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:12:54,422 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:12:54,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:12:54,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:12:54,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:12:54,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:12:54,426 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:12:54,427 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:12:54,427 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:12:54,428 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:12:54,429 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:12:54,429 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:12:54,430 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:12:54,430 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:12:54,430 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:12:54,431 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:12:54,431 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:12:54,432 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 11:12:54,443 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:12:54,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:12:54,444 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:12:54,444 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:12:54,444 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:12:54,445 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:12:54,445 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:12:54,445 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:12:54,445 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:12:54,445 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:12:54,445 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:12:54,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:12:54,446 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:12:54,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:12:54,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:12:54,446 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:12:54,446 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:12:54,447 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:12:54,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:12:54,447 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:12:54,447 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:12:54,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:12:54,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:12:54,448 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:12:54,448 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:12:54,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:12:54,448 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:12:54,448 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:12:54,449 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:12:54,450 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_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2018-11-28 11:12:54,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:12:54,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:12:54,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:12:54,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:12:54,494 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:12:54,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c [2018-11-28 11:12:54,549 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/data/250e09e49/8e2b6d2481fc40dc9814131bec44247a/FLAG2cfdbeda4 [2018-11-28 11:12:54,898 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:12:54,899 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/sv-benchmarks/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c [2018-11-28 11:12:54,903 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/data/250e09e49/8e2b6d2481fc40dc9814131bec44247a/FLAG2cfdbeda4 [2018-11-28 11:12:54,915 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/data/250e09e49/8e2b6d2481fc40dc9814131bec44247a [2018-11-28 11:12:54,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:12:54,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:12:54,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:12:54,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:12:54,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:12:54,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:12:54" (1/1) ... [2018-11-28 11:12:54,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5d7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:54, skipping insertion in model container [2018-11-28 11:12:54,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:12:54" (1/1) ... [2018-11-28 11:12:54,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:12:54,939 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:12:55,046 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:12:55,049 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:12:55,063 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:12:55,073 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:12:55,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55 WrapperNode [2018-11-28 11:12:55,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:12:55,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:12:55,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:12:55,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:12:55,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:12:55,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:12:55,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:12:55,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:12:55,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... [2018-11-28 11:12:55,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:12:55,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:12:55,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:12:55,114 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:12:55,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 11:12:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:12:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:12:55,287 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:12:55,287 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 11:12:55,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:12:55 BoogieIcfgContainer [2018-11-28 11:12:55,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:12:55,288 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:12:55,288 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:12:55,290 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:12:55,291 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:12:55,291 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:12:54" (1/3) ... [2018-11-28 11:12:55,294 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e1e9891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:12:55, skipping insertion in model container [2018-11-28 11:12:55,294 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:12:55,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:55" (2/3) ... [2018-11-28 11:12:55,294 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e1e9891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:12:55, skipping insertion in model container [2018-11-28 11:12:55,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:12:55,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:12:55" (3/3) ... [2018-11-28 11:12:55,296 INFO L375 chiAutomizerObserver]: Analyzing ICFG Pure3Phase_true-termination_true-valid-memsafety.c [2018-11-28 11:12:55,334 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:12:55,335 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:12:55,335 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:12:55,335 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:12:55,335 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:12:55,335 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:12:55,335 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:12:55,335 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:12:55,335 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:12:55,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 11:12:55,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 11:12:55,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:12:55,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:12:55,362 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 11:12:55,362 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:12:55,362 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:12:55,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 11:12:55,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 11:12:55,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:12:55,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:12:55,364 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 11:12:55,364 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:12:55,370 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2018-11-28 11:12:55,371 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2018-11-28 11:12:55,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:55,375 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2018-11-28 11:12:55,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:55,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:55,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:55,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:55,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:55,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:55,449 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2018-11-28 11:12:55,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:55,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:55,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:55,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:55,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:55,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:55,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2018-11-28 11:12:55,461 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:55,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:55,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:55,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:55,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:55,528 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:12:55,529 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:12:55,529 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:12:55,529 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:12:55,529 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:12:55,529 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:12:55,529 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:12:55,530 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:12:55,530 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration1_Loop [2018-11-28 11:12:55,530 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:12:55,530 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:12:55,550 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 11:12:55,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:12:55,585 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 11:12:55,595 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 11:12:55,712 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:12:55,712 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 11:12:55,721 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:12:55,721 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:12:55,740 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:12:55,741 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_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 11:12:55,743 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:12:55,744 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:12:55,760 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:12:55,761 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_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 11:12:55,764 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:12:55,764 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 11:12:55,784 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:12:55,784 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:12:56,097 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:12:56,098 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:12:56,098 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:12:56,098 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:12:56,098 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:12:56,098 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:12:56,098 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:12:56,099 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:12:56,099 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:12:56,099 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration1_Loop [2018-11-28 11:12:56,099 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:12:56,099 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:12:56,100 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 11:12:56,103 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 11:12:56,106 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 11:12:56,116 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 11:12:56,178 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:12:56,183 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:12:56,184 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 11:12:56,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:12:56,190 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:12:56,190 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:12:56,197 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,197 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 11:12:56,198 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,198 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:12:56,200 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:12:56,200 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:12:56,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,206 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 11:12:56,207 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,207 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:56,207 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,207 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,208 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:12:56,208 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:12:56,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:56,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,216 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 11:12:56,216 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:56,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,217 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:12:56,217 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:12:56,218 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:12:56,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:56,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,223 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:12:56,224 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 11:12:56,224 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,225 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,225 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:12:56,227 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:12:56,227 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:12:56,230 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,230 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 11:12:56,231 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,231 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,231 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,231 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:12:56,234 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:12:56,234 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:12:56,241 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,242 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 11:12:56,242 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,243 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:56,243 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,243 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,243 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:12:56,244 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:12:56,244 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:56,253 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,253 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 11:12:56,254 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,254 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:56,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,254 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:12:56,254 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:12:56,255 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:12:56,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:56,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,260 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:12:56,261 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 11:12:56,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,262 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:12:56,264 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:12:56,264 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:12:56,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,270 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 11:12:56,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,271 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:12:56,273 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:12:56,273 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:12:56,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:56,280 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 11:12:56,281 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:56,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:56,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:56,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:56,281 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:12:56,282 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:12:56,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:56,291 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:12:56,299 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 11:12:56,299 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 11:12:56,301 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:12:56,301 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 11:12:56,301 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:12:56,302 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2018-11-28 11:12:56,303 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 11:12:56,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:12:56,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:12:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:12:56,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:12:56,557 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-11-28 11:12:56,745 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2018-11-28 11:12:56,746 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 11:12:56,759 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 11:12:56,760 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2018-11-28 11:12:56,857 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2018-11-28 11:12:56,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-28 11:12:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:12:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2018-11-28 11:12:56,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-28 11:12:56,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:12:56,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2018-11-28 11:12:56,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:12:56,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2018-11-28 11:12:56,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:12:56,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2018-11-28 11:12:56,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 11:12:56,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2018-11-28 11:12:56,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2018-11-28 11:12:56,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2018-11-28 11:12:56,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2018-11-28 11:12:56,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 11:12:56,873 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-11-28 11:12:56,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2018-11-28 11:12:56,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2018-11-28 11:12:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-28 11:12:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2018-11-28 11:12:56,897 INFO L728 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-28 11:12:56,897 INFO L608 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-28 11:12:56,897 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:12:56,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2018-11-28 11:12:56,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 11:12:56,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:12:56,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:12:56,898 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:12:56,898 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:12:56,899 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2018-11-28 11:12:56,899 INFO L796 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2018-11-28 11:12:56,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:56,899 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2018-11-28 11:12:56,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:56,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:56,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:56,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:56,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:56,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:56,910 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2018-11-28 11:12:56,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:56,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:56,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:56,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:56,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:56,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:56,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2018-11-28 11:12:56,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:56,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:56,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:56,918 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:12:56,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:12:56,952 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:12:56,952 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:12:56,952 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:12:56,952 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:12:56,952 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:12:56,952 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:12:56,952 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:12:56,952 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:12:56,952 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration2_Loop [2018-11-28 11:12:56,953 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:12:56,953 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:12:56,954 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 11:12:56,959 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 11:12:56,964 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 11:12:56,973 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 11:12:57,035 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:12:57,035 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 11:12:57,038 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:12:57,038 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:12:57,058 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:12:57,059 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_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 11:12:57,062 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:12:57,062 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:12:57,065 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:12:57,065 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 11:12:57,085 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:12:57,085 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:12:57,104 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:12:57,104 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_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/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 [2018-11-28 11:12:57,108 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:12:57,108 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f11c59ee-adc3-4ccd-9d88-3d6a59ab3aa9/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:12:57,136 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:12:57,136 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:12:59,375 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:12:59,377 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:12:59,378 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:12:59,378 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:12:59,378 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:12:59,378 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:12:59,378 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:12:59,378 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:12:59,378 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:12:59,379 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration2_Loop [2018-11-28 11:12:59,379 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:12:59,379 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:12:59,380 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 11:12:59,385 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 11:12:59,391 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 11:12:59,398 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 11:12:59,445 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:12:59,445 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:12:59,446 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 11:12:59,446 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:59,447 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:12:59,448 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:12:59,448 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:12:59,452 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,452 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 11:12:59,453 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,453 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:59,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,454 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:12:59,454 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:12:59,454 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:12:59,454 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:59,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,458 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 11:12:59,458 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,458 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:59,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:59,459 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:12:59,459 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:12:59,460 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:59,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,464 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 11:12:59,465 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:59,465 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:12:59,466 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:12:59,467 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:12:59,470 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,470 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:12:59,470 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 11:12:59,471 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,471 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:59,471 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:12:59,473 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:12:59,473 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:12:59,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,476 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 11:12:59,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,477 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:59,477 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,477 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:12:59,477 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:12:59,478 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:12:59,478 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:59,482 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,482 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 11:12:59,483 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,483 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:59,483 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,483 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:59,484 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:12:59,484 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:12:59,485 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:59,491 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,491 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 11:12:59,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:59,492 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:12:59,494 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:12:59,494 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:12:59,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,499 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:12:59,499 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 11:12:59,500 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:59,500 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:12:59,502 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:12:59,502 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:12:59,506 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,506 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 11:12:59,507 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,507 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:59,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,507 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 11:12:59,507 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:12:59,508 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:12:59,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:59,512 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:12:59,513 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 11:12:59,513 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:12:59,514 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:12:59,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:12:59,514 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:12:59,514 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:12:59,515 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:12:59,515 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:12:59,522 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:12:59,533 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-11-28 11:12:59,533 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 11:12:59,534 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:12:59,534 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 11:12:59,534 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:12:59,534 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2018-11-28 11:12:59,535 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 11:12:59,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:12:59,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:12:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:12:59,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:12:59,724 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 11:12:59,725 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 11:12:59,725 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2018-11-28 11:12:59,777 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2018-11-28 11:12:59,778 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 11:12:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:12:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-28 11:12:59,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-28 11:12:59,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:12:59,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2018-11-28 11:12:59,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:12:59,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2018-11-28 11:12:59,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:12:59,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2018-11-28 11:12:59,780 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:12:59,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2018-11-28 11:12:59,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:12:59,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:12:59,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:12:59,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:12:59,781 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:12:59,781 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:12:59,781 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:12:59,781 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:12:59,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:12:59,781 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:12:59,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:12:59,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:12:59 BoogieIcfgContainer [2018-11-28 11:12:59,786 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:12:59,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:12:59,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:12:59,787 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:12:59,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:12:55" (3/4) ... [2018-11-28 11:12:59,790 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:12:59,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:12:59,791 INFO L168 Benchmark]: Toolchain (without parser) took 4873.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 954.4 MB in the beginning and 879.2 MB in the end (delta: 75.2 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:59,792 INFO L168 Benchmark]: CDTParser took 0.19 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 11:12:59,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.16 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:59,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 1.0 GB. Free memory is still 943.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:12:59,793 INFO L168 Benchmark]: Boogie Preprocessor took 13.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 940.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:59,793 INFO L168 Benchmark]: RCFGBuilder took 173.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -203.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:59,794 INFO L168 Benchmark]: BuchiAutomizer took 4498.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.2 MB in the end (delta: 264.7 MB). Peak memory consumption was 264.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:59,794 INFO L168 Benchmark]: Witness Printer took 3.70 ms. Allocated memory is still 1.2 GB. Free memory is still 879.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:12:59,797 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 155.16 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 1.0 GB. Free memory is still 943.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 940.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 173.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -203.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4498.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.2 MB in the end (delta: 264.7 MB). Peak memory consumption was 264.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.70 ms. Allocated memory is still 1.2 GB. Free memory is still 879.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. 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 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...