./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/chunk1_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/chunk1_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/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 0673538459dd2523ead2e02bcab6f07cef7899c9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:30:48,417 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:30:48,418 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:30:48,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:30:48,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:30:48,427 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:30:48,427 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:30:48,429 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:30:48,430 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:30:48,430 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:30:48,431 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:30:48,431 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:30:48,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:30:48,432 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:30:48,433 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:30:48,433 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:30:48,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:30:48,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:30:48,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:30:48,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:30:48,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:30:48,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:30:48,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:30:48,440 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:30:48,440 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:30:48,440 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:30:48,441 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:30:48,441 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:30:48,442 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:30:48,443 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:30:48,443 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:30:48,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:30:48,443 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:30:48,444 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:30:48,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:30:48,445 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:30:48,445 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 13:30:48,454 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:30:48,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:30:48,455 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:30:48,455 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:30:48,455 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:30:48,455 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 13:30:48,455 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 13:30:48,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 13:30:48,456 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 13:30:48,457 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:30:48,457 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 13:30:48,457 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 13:30:48,457 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:30:48,457 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:30:48,457 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 13:30:48,457 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:30:48,457 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 13:30:48,457 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 13:30:48,458 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 13:30:48,458 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_264ac0d4-afe3-4c52-a035-a69c21265d43/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 -> 0673538459dd2523ead2e02bcab6f07cef7899c9 [2018-11-10 13:30:48,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:30:48,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:30:48,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:30:48,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:30:48,494 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:30:48,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/chunk1_true-termination.c.i [2018-11-10 13:30:48,540 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/data/10ac5ad5a/b2af52ae6c10433380f836f4d5941041/FLAG5e1d67966 [2018-11-10 13:30:48,942 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:30:48,943 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/sv-benchmarks/c/termination-recursive-malloc/chunk1_true-termination.c.i [2018-11-10 13:30:48,946 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/data/10ac5ad5a/b2af52ae6c10433380f836f4d5941041/FLAG5e1d67966 [2018-11-10 13:30:48,957 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/data/10ac5ad5a/b2af52ae6c10433380f836f4d5941041 [2018-11-10 13:30:48,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:30:48,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:30:48,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:30:48,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:30:48,964 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:30:48,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:30:48" (1/1) ... [2018-11-10 13:30:48,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e18a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:48, skipping insertion in model container [2018-11-10 13:30:48,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:30:48" (1/1) ... [2018-11-10 13:30:48,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:30:48,991 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:30:49,093 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:30:49,099 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:30:49,107 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:30:49,116 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:30:49,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49 WrapperNode [2018-11-10 13:30:49,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:30:49,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:30:49,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:30:49,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:30:49,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:30:49,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:30:49,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:30:49,139 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:30:49,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... [2018-11-10 13:30:49,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:30:49,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:30:49,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:30:49,152 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:30:49,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264ac0d4-afe3-4c52-a035-a69c21265d43/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:30:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 13:30:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:30:49,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:30:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2018-11-10 13:30:49,226 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2018-11-10 13:30:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 13:30:49,336 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:30:49,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:49 BoogieIcfgContainer [2018-11-10 13:30:49,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:30:49,337 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 13:30:49,337 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 13:30:49,340 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 13:30:49,341 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:30:49,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 01:30:48" (1/3) ... [2018-11-10 13:30:49,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70bb2047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:30:49, skipping insertion in model container [2018-11-10 13:30:49,342 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:30:49,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:49" (2/3) ... [2018-11-10 13:30:49,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70bb2047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:30:49, skipping insertion in model container [2018-11-10 13:30:49,342 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:30:49,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:49" (3/3) ... [2018-11-10 13:30:49,344 INFO L375 chiAutomizerObserver]: Analyzing ICFG chunk1_true-termination.c.i [2018-11-10 13:30:49,381 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:30:49,382 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 13:30:49,382 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 13:30:49,382 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 13:30:49,382 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:30:49,382 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:30:49,382 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 13:30:49,382 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:30:49,382 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 13:30:49,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2018-11-10 13:30:49,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2018-11-10 13:30:49,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:30:49,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:30:49,413 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:30:49,414 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:30:49,414 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 13:30:49,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2018-11-10 13:30:49,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2018-11-10 13:30:49,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:30:49,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:30:49,415 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:30:49,415 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:30:49,420 INFO L793 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet6, main_#t~nondet7, main_~data~0.base, main_~data~0.offset, main_~i~0, main_~upper~0;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 16;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~data~0.base, main_~data~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~upper~0 := main_#t~nondet7;havoc main_#t~nondet7; 20#L25true assume !(main_~i~0 >= main_~upper~0); 6#L28true call chunk(main_~data~0.base, main_~data~0.offset);< 15#chunkENTRYtrue [2018-11-10 13:30:49,421 INFO L795 eck$LassoCheckResult]: Loop: 15#chunkENTRYtrue ~data.base, ~data.offset := #in~data.base, #in~data.offset; 18#L9true SUMMARY for call #t~mem1 := read~int(~data.base, ~data.offset + 0, 4); srcloc: L9 14#L9-1true SUMMARY for call #t~mem2 := read~int(~data.base, ~data.offset + 12, 4); srcloc: L9-1 16#L9-2true assume !(#t~mem1 >= #t~mem2);havoc #t~mem2;havoc #t~mem1; 11#L12true SUMMARY for call #t~mem3 := read~int(~data.base, ~data.offset + 0, 4); srcloc: L12 12#L12-1true #t~post4 := #t~mem3; 8#L12-2true SUMMARY for call write~int(#t~post4 + 1, ~data.base, ~data.offset + 0, 4); srcloc: L12-2 19#L12-3true havoc #t~post4;havoc #t~mem3; 4#L15true call chunk(~data.base, ~data.offset);< 15#chunkENTRYtrue [2018-11-10 13:30:49,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:49,425 INFO L82 PathProgramCache]: Analyzing trace with hash 925685, now seen corresponding path program 1 times [2018-11-10 13:30:49,426 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:30:49,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:30:49,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:49,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:30:49,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:49,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:49,503 INFO L82 PathProgramCache]: Analyzing trace with hash 844205267, now seen corresponding path program 1 times [2018-11-10 13:30:49,503 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:30:49,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:30:49,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:49,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:30:49,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:49,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:49,528 INFO L82 PathProgramCache]: Analyzing trace with hash 481697631, now seen corresponding path program 1 times [2018-11-10 13:30:49,528 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:30:49,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:30:49,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:49,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:30:49,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:49,933 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:30:49,934 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:30:49,935 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:30:49,935 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:30:49,935 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:30:49,935 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:30:49,935 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:30:49,935 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:30:49,935 INFO L131 ssoRankerPreferences]: Filename of dumped script: chunk1_true-termination.c.i_Iteration1_Lasso [2018-11-10 13:30:49,935 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:30:49,936 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:30:49,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:49,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:30:50,274 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:30:50,278 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:30:50,280 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 [2018-11-10 13:30:50,282 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,282 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,283 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,283 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,284 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,287 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,288 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,288 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,288 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,288 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,289 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,289 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,289 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,289 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,290 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,290 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,291 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,291 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,291 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,292 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,292 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,293 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,293 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,293 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,293 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,294 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,294 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,294 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,295 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,295 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,296 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,297 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,297 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,298 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,298 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,299 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,299 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,299 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,300 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,300 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,300 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,301 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,302 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,302 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,303 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,303 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,303 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,303 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,304 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,304 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,305 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,305 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,305 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,307 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:30:50,307 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:30:50,311 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,311 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,312 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,312 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,312 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,312 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,313 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,313 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,313 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,314 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,314 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,315 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,315 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,315 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,316 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,317 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,317 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,317 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,317 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,317 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,318 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,318 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,319 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,319 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,319 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,320 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,320 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,320 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,321 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,321 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,322 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,322 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,322 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,322 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,323 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,325 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,325 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,326 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,327 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,327 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,327 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,328 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,328 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,328 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,329 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,329 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,330 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:30:50,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,330 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,330 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,331 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:30:50,331 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:30:50,332 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,332 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,333 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,334 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:30:50,334 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:30:50,338 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,339 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,340 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:30:50,340 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:30:50,344 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,346 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,348 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:30:50,348 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:30:50,362 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,363 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-10 13:30:50,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,365 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,366 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-10 13:30:50,366 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:30:50,374 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,374 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,375 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,375 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,376 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:30:50,376 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:30:50,385 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:30:50,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 13:30:50,387 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:30:50,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:30:50,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:30:50,387 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:30:50,389 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:30:50,389 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:30:50,411 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 13:30:50,423 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 13:30:50,423 INFO L444 ModelExtractionUtils]: 12 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 13:30:50,425 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 13:30:50,427 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 13:30:50,427 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 13:30:50,427 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int chunk_#in~data.base) chunk_#in~data.offset)_1, v_rep(select (select #memory_int chunk_#in~data.base) (+ chunk_#in~data.offset 12))_1) = -1*v_rep(select (select #memory_int chunk_#in~data.base) chunk_#in~data.offset)_1 + 1*v_rep(select (select #memory_int chunk_#in~data.base) (+ chunk_#in~data.offset 12))_1 Supporting invariants [] [2018-11-10 13:30:50,446 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2018-11-10 13:30:50,451 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 13:30:50,451 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 13:30:50,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:30:50,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:30:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:30:50,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:30:50,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:30:50,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 46 [2018-11-10 13:30:50,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:30:50,619 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:30:50,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 57 [2018-11-10 13:30:50,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:30:50,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:30:50,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:30:50,657 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:21 [2018-11-10 13:30:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:30:50,679 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2018-11-10 13:30:50,680 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 9 states. [2018-11-10 13:30:50,904 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 9 states. Result 62 states and 67 transitions. Complement of second has 36 states. [2018-11-10 13:30:50,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2018-11-10 13:30:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-10 13:30:50,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 20 transitions. [2018-11-10 13:30:50,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 20 transitions. Stem has 4 letters. Loop has 9 letters. [2018-11-10 13:30:50,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:30:50,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 20 transitions. Stem has 13 letters. Loop has 9 letters. [2018-11-10 13:30:50,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:30:50,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 20 transitions. Stem has 4 letters. Loop has 18 letters. [2018-11-10 13:30:50,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:30:50,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 67 transitions. [2018-11-10 13:30:50,914 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 13:30:50,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 0 states and 0 transitions. [2018-11-10 13:30:50,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 13:30:50,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 13:30:50,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 13:30:50,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 13:30:50,917 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:30:50,917 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:30:50,917 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:30:50,917 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 13:30:50,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:30:50,917 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 13:30:50,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 13:30:50,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 01:30:50 BoogieIcfgContainer [2018-11-10 13:30:50,922 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 13:30:50,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:30:50,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:30:50,923 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:30:50,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:49" (3/4) ... [2018-11-10 13:30:50,925 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:30:50,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:30:50,926 INFO L168 Benchmark]: Toolchain (without parser) took 1966.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 960.3 MB in the beginning and 883.5 MB in the end (delta: 76.8 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:50,927 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:30:50,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.36 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:50,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.36 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:50,928 INFO L168 Benchmark]: Boogie Preprocessor took 13.19 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:30:50,928 INFO L168 Benchmark]: RCFGBuilder took 184.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:50,928 INFO L168 Benchmark]: BuchiAutomizer took 1585.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.5 MB in the end (delta: 239.6 MB). Peak memory consumption was 239.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:50,929 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.2 GB. Free memory is still 883.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:30:50,931 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.36 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 21.36 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.19 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 184.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1585.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.5 MB in the end (delta: 239.6 MB). Peak memory consumption was 239.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 ms. Allocated memory is still 1.2 GB. Free memory is still 883.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[data][data] + unknown-#memory_int-unknown[data][data + 12] and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 19 SDslu, 11 SDs, 0 SdLazy, 60 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital98 mio100 ax100 hnf100 lsp93 ukn73 mio100 lsp38 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...