./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/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 cb74f7a1bb788b2c5a3efb057591b3727e299c90 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:21:05,318 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:21:05,319 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:21:05,327 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:21:05,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:21:05,328 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:21:05,329 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:21:05,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:21:05,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:21:05,332 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:21:05,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:21:05,333 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:21:05,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:21:05,334 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:21:05,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:21:05,335 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:21:05,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:21:05,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:21:05,338 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:21:05,339 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:21:05,340 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:21:05,341 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:21:05,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:21:05,343 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:21:05,343 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:21:05,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:21:05,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:21:05,345 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:21:05,345 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:21:05,346 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:21:05,346 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:21:05,347 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:21:05,347 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:21:05,347 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:21:05,347 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:21:05,348 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:21:05,348 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 07:21:05,358 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:21:05,358 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:21:05,359 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:21:05,359 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:21:05,359 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:21:05,360 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 07:21:05,360 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 07:21:05,360 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 07:21:05,360 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 07:21:05,360 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 07:21:05,360 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 07:21:05,360 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:21:05,361 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:21:05,361 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:21:05,361 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:21:05,361 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 07:21:05,361 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 07:21:05,361 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 07:21:05,361 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:21:05,361 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 07:21:05,362 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:21:05,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 07:21:05,362 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:21:05,362 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:21:05,362 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 07:21:05,362 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:21:05,362 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:21:05,363 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 07:21:05,363 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 07:21:05,363 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_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/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 -> cb74f7a1bb788b2c5a3efb057591b3727e299c90 [2018-11-23 07:21:05,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:21:05,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:21:05,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:21:05,399 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:21:05,399 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:21:05,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca_true-termination.c.i [2018-11-23 07:21:05,436 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/data/8d1d79291/9d40395173014851a97c3e9c59caffb7/FLAG6c27b0da2 [2018-11-23 07:21:05,808 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:21:05,808 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca_true-termination.c.i [2018-11-23 07:21:05,817 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/data/8d1d79291/9d40395173014851a97c3e9c59caffb7/FLAG6c27b0da2 [2018-11-23 07:21:06,196 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/data/8d1d79291/9d40395173014851a97c3e9c59caffb7 [2018-11-23 07:21:06,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:21:06,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:21:06,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:21:06,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:21:06,203 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:21:06,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368520c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06, skipping insertion in model container [2018-11-23 07:21:06,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:21:06,236 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:21:06,423 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:21:06,430 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:21:06,459 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:21:06,526 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:21:06,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06 WrapperNode [2018-11-23 07:21:06,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:21:06,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:21:06,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:21:06,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:21:06,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:21:06,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:21:06,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:21:06,555 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:21:06,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... [2018-11-23 07:21:06,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:21:06,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:21:06,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:21:06,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:21:06,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:21:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:21:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:21:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:21:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:21:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:21:06,750 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:21:06,751 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 07:21:06,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:21:06 BoogieIcfgContainer [2018-11-23 07:21:06,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:21:06,752 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 07:21:06,752 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 07:21:06,754 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 07:21:06,755 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:21:06,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 07:21:06" (1/3) ... [2018-11-23 07:21:06,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df5b4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:21:06, skipping insertion in model container [2018-11-23 07:21:06,756 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:21:06,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:06" (2/3) ... [2018-11-23 07:21:06,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df5b4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:21:06, skipping insertion in model container [2018-11-23 07:21:06,757 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:21:06,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:21:06" (3/3) ... [2018-11-23 07:21:06,758 INFO L375 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca_true-termination.c.i [2018-11-23 07:21:06,799 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:21:06,800 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 07:21:06,800 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 07:21:06,800 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 07:21:06,800 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:21:06,800 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:21:06,800 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 07:21:06,800 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:21:06,800 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 07:21:06,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 07:21:06,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 07:21:06,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:21:06,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:21:06,836 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-23 07:21:06,836 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:21:06,836 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 07:21:06,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 07:21:06,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 07:21:06,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:21:06,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:21:06,838 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-23 07:21:06,838 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:21:06,844 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 11#L562true assume !(main_~array_size~0 < 1); 13#L562-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 5#L550-3true [2018-11-23 07:21:06,845 INFO L796 eck$LassoCheckResult]: Loop: 5#L550-3true assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 3#L551-3true assume !true; 4#L550-2true bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 5#L550-3true [2018-11-23 07:21:06,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:06,848 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2018-11-23 07:21:06,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:06,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:06,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:06,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:06,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:06,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:06,927 INFO L82 PathProgramCache]: Analyzing trace with hash 47218, now seen corresponding path program 1 times [2018-11-23 07:21:06,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:06,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:06,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:06,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:06,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:06,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:21:06,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:21:06,949 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 07:21:06,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:21:06,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:21:06,959 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2018-11-23 07:21:06,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:21:06,964 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2018-11-23 07:21:06,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:21:06,966 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2018-11-23 07:21:06,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 07:21:06,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2018-11-23 07:21:06,970 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2018-11-23 07:21:06,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2018-11-23 07:21:06,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2018-11-23 07:21:06,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 07:21:06,972 INFO L705 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2018-11-23 07:21:06,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2018-11-23 07:21:06,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-11-23 07:21:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-23 07:21:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2018-11-23 07:21:06,988 INFO L728 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2018-11-23 07:21:06,989 INFO L608 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2018-11-23 07:21:06,989 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 07:21:06,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2018-11-23 07:21:06,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-23 07:21:06,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:21:06,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:21:06,990 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-23 07:21:06,990 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:21:06,990 INFO L794 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 34#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 35#L562 assume !(main_~array_size~0 < 1); 42#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 39#L550-3 [2018-11-23 07:21:06,990 INFO L796 eck$LassoCheckResult]: Loop: 39#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 36#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 37#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 39#L550-3 [2018-11-23 07:21:06,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:06,990 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2018-11-23 07:21:06,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:06,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:06,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:06,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:06,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:07,004 INFO L82 PathProgramCache]: Analyzing trace with hash 46877, now seen corresponding path program 1 times [2018-11-23 07:21:07,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:07,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:07,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,005 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:07,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:07,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818489, now seen corresponding path program 1 times [2018-11-23 07:21:07,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:07,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:07,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:07,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,075 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:21:07,076 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:21:07,077 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:21:07,077 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:21:07,077 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 07:21:07,077 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:07,077 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:21:07,077 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:21:07,077 INFO L131 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca_true-termination.c.i_Iteration2_Loop [2018-11-23 07:21:07,077 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:21:07,078 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:21:07,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,233 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:21:07,233 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:07,243 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:21:07,244 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:21:07,258 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:21:07,258 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_#t~post2=0} Honda state: {ULTIMATE.start_bubbleSort_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:07,284 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:21:07,284 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:21:07,299 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:21:07,299 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_1=1} Honda state: {v_rep~unnamed0~0~P_PID_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:07,302 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:21:07,302 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:21:07,317 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:21:07,317 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_1=2} Honda state: {v_rep~unnamed0~0~P_PGID_1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:07,319 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:21:07,319 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:07,337 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:21:07,337 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:21:07,355 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 07:21:07,356 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:21:07,356 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:21:07,356 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:21:07,356 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:21:07,356 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:21:07,356 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:07,356 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:21:07,357 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:21:07,357 INFO L131 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca_true-termination.c.i_Iteration2_Loop [2018-11-23 07:21:07,357 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:21:07,357 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:21:07,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,425 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:21:07,429 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:21:07,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:07,433 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:07,433 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:21:07,433 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:07,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:07,434 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:07,435 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:21:07,435 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:21:07,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:07,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:07,440 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:07,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:21:07,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:07,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:07,440 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:07,441 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:21:07,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:21:07,445 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:21:07,450 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 07:21:07,450 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 07:21:07,451 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:21:07,452 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 07:21:07,452 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:21:07,452 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0) = 2*ULTIMATE.start_bubbleSort_~i~0 + 1 Supporting invariants [] [2018-11-23 07:21:07,454 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 07:21:07,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:07,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:07,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:07,537 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 07:21:07,538 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand 3 states. [2018-11-23 07:21:07,561 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 15 states and 22 transitions. Complement of second has 4 states. [2018-11-23 07:21:07,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 07:21:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:21:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2018-11-23 07:21:07,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-23 07:21:07,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:07,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2018-11-23 07:21:07,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:07,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2018-11-23 07:21:07,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:07,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. [2018-11-23 07:21:07,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:07,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 20 transitions. [2018-11-23 07:21:07,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2018-11-23 07:21:07,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2018-11-23 07:21:07,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2018-11-23 07:21:07,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 07:21:07,565 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2018-11-23 07:21:07,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2018-11-23 07:21:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2018-11-23 07:21:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 07:21:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2018-11-23 07:21:07,566 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-11-23 07:21:07,566 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-11-23 07:21:07,566 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 07:21:07,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2018-11-23 07:21:07,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:07,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:21:07,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:21:07,567 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 07:21:07,567 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:21:07,568 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 104#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 105#L562 assume !(main_~array_size~0 < 1); 111#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 108#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 99#L551-3 [2018-11-23 07:21:07,568 INFO L796 eck$LassoCheckResult]: Loop: 99#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 100#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 109#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 99#L551-3 [2018-11-23 07:21:07,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:07,568 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2018-11-23 07:21:07,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:07,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:07,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:07,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:07,577 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2018-11-23 07:21:07,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:07,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:07,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:07,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:07,589 INFO L82 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2018-11-23 07:21:07,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:07,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:07,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:07,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:07,852 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:21:07,852 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:21:07,852 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:21:07,853 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:21:07,853 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:21:07,853 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:07,853 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:21:07,853 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:21:07,853 INFO L131 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca_true-termination.c.i_Iteration3_Lasso [2018-11-23 07:21:07,853 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:21:07,853 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:21:07,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:07,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:08,192 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:21:08,192 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:21:08,193 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:08,193 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:08,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:21:08,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:08,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:08,193 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:08,194 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:21:08,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:21:08,194 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:08,194 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:08,195 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:08,195 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:08,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:08,195 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:08,200 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:21:08,200 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:21:08,239 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:21:08,253 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 07:21:08,253 INFO L444 ModelExtractionUtils]: 33 out of 37 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 07:21:08,254 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:21:08,255 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 07:21:08,255 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:21:08,255 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0, ULTIMATE.start_bubbleSort_~j~0) = 2*ULTIMATE.start_bubbleSort_~i~0 - 2*ULTIMATE.start_bubbleSort_~j~0 + 1 Supporting invariants [] [2018-11-23 07:21:08,272 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2018-11-23 07:21:08,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:08,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:08,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:08,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:08,304 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 07:21:08,304 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-11-23 07:21:08,319 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 28 states and 41 transitions. Complement of second has 7 states. [2018-11-23 07:21:08,320 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 [2018-11-23 07:21:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:21:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-23 07:21:08,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-23 07:21:08,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:08,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2018-11-23 07:21:08,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:08,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2018-11-23 07:21:08,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:08,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions. [2018-11-23 07:21:08,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:08,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 18 states and 26 transitions. [2018-11-23 07:21:08,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2018-11-23 07:21:08,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2018-11-23 07:21:08,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2018-11-23 07:21:08,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 07:21:08,324 INFO L705 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2018-11-23 07:21:08,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2018-11-23 07:21:08,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2018-11-23 07:21:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 07:21:08,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2018-11-23 07:21:08,325 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2018-11-23 07:21:08,325 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2018-11-23 07:21:08,325 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 07:21:08,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2018-11-23 07:21:08,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:08,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:21:08,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:21:08,326 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2018-11-23 07:21:08,326 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:21:08,327 INFO L794 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 209#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 210#L562 assume !(main_~array_size~0 < 1); 216#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 213#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 206#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 207#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 211#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 204#L551-3 [2018-11-23 07:21:08,327 INFO L796 eck$LassoCheckResult]: Loop: 204#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 205#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 214#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 204#L551-3 [2018-11-23 07:21:08,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,327 INFO L82 PathProgramCache]: Analyzing trace with hash 176798328, now seen corresponding path program 2 times [2018-11-23 07:21:08,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:08,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:08,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:08,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:08,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:21:08,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:21:08,367 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 07:21:08,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,368 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2018-11-23 07:21:08,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:08,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:08,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,369 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:08,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:21:08,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:21:08,421 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand 5 states. [2018-11-23 07:21:08,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:21:08,447 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2018-11-23 07:21:08,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 07:21:08,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2018-11-23 07:21:08,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:08,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 26 transitions. [2018-11-23 07:21:08,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2018-11-23 07:21:08,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-11-23 07:21:08,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2018-11-23 07:21:08,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 07:21:08,449 INFO L705 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2018-11-23 07:21:08,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2018-11-23 07:21:08,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2018-11-23 07:21:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 07:21:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2018-11-23 07:21:08,451 INFO L728 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2018-11-23 07:21:08,451 INFO L608 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2018-11-23 07:21:08,451 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-23 07:21:08,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2018-11-23 07:21:08,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:08,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:21:08,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:21:08,452 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:21:08,452 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:21:08,452 INFO L794 eck$LassoCheckResult]: Stem: 258#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 250#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 251#L562 assume !(main_~array_size~0 < 1); 262#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 259#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 254#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 255#L552 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4; 261#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 263#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 256#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 257#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 252#L551-3 [2018-11-23 07:21:08,452 INFO L796 eck$LassoCheckResult]: Loop: 252#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 253#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 260#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 252#L551-3 [2018-11-23 07:21:08,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1421271829, now seen corresponding path program 1 times [2018-11-23 07:21:08,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:08,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:08,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,454 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:08,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,464 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2018-11-23 07:21:08,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:08,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:08,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:08,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1321478696, now seen corresponding path program 1 times [2018-11-23 07:21:08,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:08,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:08,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,473 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:08,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:08,531 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:21:08,531 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:21:08,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:08,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:08,628 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:21:08,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 07:21:08,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 07:21:08,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-11-23 07:21:08,692 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 12 states. [2018-11-23 07:21:08,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:21:08,744 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2018-11-23 07:21:08,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:21:08,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2018-11-23 07:21:08,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:08,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 25 states and 34 transitions. [2018-11-23 07:21:08,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2018-11-23 07:21:08,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2018-11-23 07:21:08,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2018-11-23 07:21:08,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 07:21:08,747 INFO L705 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2018-11-23 07:21:08,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2018-11-23 07:21:08,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2018-11-23 07:21:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-23 07:21:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2018-11-23 07:21:08,749 INFO L728 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2018-11-23 07:21:08,749 INFO L608 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2018-11-23 07:21:08,749 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-11-23 07:21:08,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2018-11-23 07:21:08,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:08,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:21:08,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:21:08,750 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-23 07:21:08,750 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:21:08,750 INFO L794 eck$LassoCheckResult]: Stem: 363#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 355#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 356#L562 assume !(main_~array_size~0 < 1); 369#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 364#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 365#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 367#L552 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4; 368#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 359#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 360#L552 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4; 371#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 370#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 361#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 362#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 357#L551-3 [2018-11-23 07:21:08,750 INFO L796 eck$LassoCheckResult]: Loop: 357#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 358#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 366#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 357#L551-3 [2018-11-23 07:21:08,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1373641048, now seen corresponding path program 2 times [2018-11-23 07:21:08,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:08,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:08,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:08,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,770 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 4 times [2018-11-23 07:21:08,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:08,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:08,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,772 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:08,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:08,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:08,780 INFO L82 PathProgramCache]: Analyzing trace with hash -307910395, now seen corresponding path program 2 times [2018-11-23 07:21:08,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:08,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:08,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,781 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:08,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:08,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:21:08,985 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e5d6b6-1396-4d50-904d-48bc3f1672bd/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:21:09,001 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 07:21:09,014 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 07:21:09,014 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 07:21:09,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:09,073 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-11-23 07:21:09,076 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-11-23 07:21:09,077 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:21:09,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:21:09,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:21:09,080 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:3 [2018-11-23 07:21:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:21:09,101 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:21:09,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 12 [2018-11-23 07:21:09,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 07:21:09,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-11-23 07:21:09,152 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 12 states. [2018-11-23 07:21:09,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:21:09,221 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2018-11-23 07:21:09,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 07:21:09,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 50 transitions. [2018-11-23 07:21:09,222 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-11-23 07:21:09,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 50 transitions. [2018-11-23 07:21:09,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2018-11-23 07:21:09,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2018-11-23 07:21:09,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 50 transitions. [2018-11-23 07:21:09,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 07:21:09,225 INFO L705 BuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2018-11-23 07:21:09,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 50 transitions. [2018-11-23 07:21:09,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2018-11-23 07:21:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-23 07:21:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2018-11-23 07:21:09,228 INFO L728 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2018-11-23 07:21:09,228 INFO L608 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2018-11-23 07:21:09,228 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ [2018-11-23 07:21:09,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2018-11-23 07:21:09,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:21:09,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:21:09,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:21:09,229 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:21:09,229 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:21:09,229 INFO L794 eck$LassoCheckResult]: Stem: 488#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 482#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 483#L562 assume !(main_~array_size~0 < 1); 492#L562-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 484#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 485#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 498#L552 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4; 494#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 478#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 479#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 490#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 497#L551-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 480#L550-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 481#L550-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 493#L551-3 [2018-11-23 07:21:09,230 INFO L796 eck$LassoCheckResult]: Loop: 493#L551-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 501#L552 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 489#L551-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 493#L551-3 [2018-11-23 07:21:09,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:09,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1371794006, now seen corresponding path program 3 times [2018-11-23 07:21:09,230 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:09,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:09,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:09,234 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:09,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:09,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:09,246 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 5 times [2018-11-23 07:21:09,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:09,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:09,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:09,248 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:09,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:09,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:09,254 INFO L82 PathProgramCache]: Analyzing trace with hash 501436231, now seen corresponding path program 4 times [2018-11-23 07:21:09,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:21:09,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:21:09,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:09,256 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:21:09,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:21:09,489 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2018-11-23 07:21:09,529 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:21:09,530 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:21:09,530 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:21:09,530 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:21:09,530 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:21:09,530 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:21:09,530 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:21:09,530 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:21:09,530 INFO L131 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca_true-termination.c.i_Iteration7_Lasso [2018-11-23 07:21:09,530 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:21:09,530 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:21:09,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:21:09,865 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:21:09,866 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:21:09,866 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,866 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,866 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:21:09,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,867 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,867 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,867 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:21:09,867 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:21:09,868 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,868 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,869 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,869 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,869 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,870 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:21:09,870 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:21:09,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:21:09,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,872 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,873 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:21:09,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:21:09,873 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:21:09,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,874 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,874 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,875 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:21:09,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:21:09,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,875 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,876 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,876 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,878 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:21:09,878 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:21:09,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,883 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,884 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,884 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 07:21:09,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,884 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,885 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 07:21:09,886 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:21:09,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,890 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,892 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,892 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:21:09,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,893 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,893 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:21:09,893 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:21:09,894 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,894 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,895 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,896 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:21:09,896 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:21:09,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,898 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,898 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,899 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,899 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,899 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:21:09,899 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:21:09,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:21:09,901 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:21:09,901 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:21:09,901 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:21:09,901 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:21:09,901 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:21:09,903 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:21:09,903 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:21:09,917 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:21:09,934 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-11-23 07:21:09,934 INFO L444 ModelExtractionUtils]: 30 out of 37 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-23 07:21:09,934 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:21:09,935 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-11-23 07:21:09,935 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:21:09,935 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0, ULTIMATE.start_bubbleSort_~j~0) = 3*ULTIMATE.start_bubbleSort_~i~0 - 1*ULTIMATE.start_bubbleSort_~j~0 Supporting invariants [4*ULTIMATE.start_bubbleSort_~j~0 - 1 >= 0] [2018-11-23 07:21:09,982 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2018-11-23 07:21:09,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:10,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:10,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:10,027 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 07:21:10,027 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand 3 states. [2018-11-23 07:21:10,053 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 50 states and 70 transitions. Complement of second has 7 states. [2018-11-23 07:21:10,054 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 [2018-11-23 07:21:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:21:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-23 07:21:10,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2018-11-23 07:21:10,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:10,055 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-23 07:21:10,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:10,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:10,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:10,097 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 07:21:10,097 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand 3 states. [2018-11-23 07:21:10,120 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 50 states and 70 transitions. Complement of second has 7 states. [2018-11-23 07:21:10,121 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 [2018-11-23 07:21:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:21:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-23 07:21:10,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2018-11-23 07:21:10,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:10,122 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-23 07:21:10,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:10,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:10,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:21:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:10,163 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 07:21:10,163 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand 3 states. [2018-11-23 07:21:10,188 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 58 transitions. Complement of second has 6 states. [2018-11-23 07:21:10,190 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 [2018-11-23 07:21:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:21:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2018-11-23 07:21:10,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 3 letters. [2018-11-23 07:21:10,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:10,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 3 letters. [2018-11-23 07:21:10,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:10,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2018-11-23 07:21:10,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:21:10,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 58 transitions. [2018-11-23 07:21:10,192 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:21:10,193 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2018-11-23 07:21:10,193 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 07:21:10,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 07:21:10,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 07:21:10,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 07:21:10,193 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:21:10,193 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:21:10,193 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:21:10,193 INFO L442 BuchiCegarLoop]: ======== Iteration 8============ [2018-11-23 07:21:10,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:21:10,194 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:21:10,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 07:21:10,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 07:21:10 BoogieIcfgContainer [2018-11-23 07:21:10,199 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 07:21:10,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:21:10,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:21:10,199 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:21:10,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:21:06" (3/4) ... [2018-11-23 07:21:10,203 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:21:10,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:21:10,203 INFO L168 Benchmark]: Toolchain (without parser) took 4004.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 956.4 MB in the beginning and 812.3 MB in the end (delta: 144.1 MB). Peak memory consumption was 368.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:21:10,204 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:21:10,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:21:10,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:21:10,205 INFO L168 Benchmark]: Boogie Preprocessor took 15.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:21:10,207 INFO L168 Benchmark]: RCFGBuilder took 180.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:21:10,207 INFO L168 Benchmark]: BuchiAutomizer took 3447.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 812.3 MB in the end (delta: 302.8 MB). Peak memory consumption was 378.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:21:10,208 INFO L168 Benchmark]: Witness Printer took 3.56 ms. Allocated memory is still 1.3 GB. Free memory is still 812.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:21:10,210 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 180.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3447.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 812.3 MB in the end (delta: 302.8 MB). Peak memory consumption was 378.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.56 ms. Allocated memory is still 1.3 GB. Free memory is still 812.3 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 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * i + 1 and consists of 3 locations. One deterministic module has affine ranking function 2 * i + -2 * j + 1 and consists of 4 locations. One nondeterministic module has affine ranking function 3 * i + -1 * j and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 26 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 87 SDslu, 91 SDs, 0 SdLazy, 180 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax157 hnf98 lsp67 ukn79 mio100 lsp80 div100 bol100 ite100 ukn100 eq171 hnf90 smp88 dnf100 smp100 tf104 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...