./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/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 2f927f4255c7cccf769428cf5a40267dd3884041 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:11:27,124 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:11:27,126 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:11:27,134 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:11:27,134 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:11:27,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:11:27,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:11:27,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:11:27,139 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:11:27,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:11:27,140 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:11:27,140 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:11:27,141 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:11:27,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:11:27,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:11:27,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:11:27,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:11:27,145 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:11:27,146 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:11:27,147 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:11:27,148 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:11:27,149 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:11:27,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:11:27,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:11:27,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:11:27,151 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:11:27,152 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:11:27,153 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:11:27,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:11:27,154 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:11:27,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:11:27,155 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:11:27,155 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:11:27,155 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:11:27,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:11:27,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:11:27,157 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:11:27,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:11:27,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:11:27,169 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:11:27,169 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:11:27,169 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:11:27,170 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:11:27,170 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:11:27,170 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:11:27,170 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:11:27,170 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:11:27,170 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:11:27,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:11:27,171 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:11:27,171 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:11:27,171 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:11:27,171 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:11:27,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:11:27,171 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:11:27,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:11:27,171 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:11:27,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:11:27,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:11:27,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:11:27,172 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:11:27,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:11:27,172 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:11:27,175 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:11:27,175 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:11:27,175 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_58656207-a340-4490-a082-0b9b11f8fce8/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 -> 2f927f4255c7cccf769428cf5a40267dd3884041 [2018-10-27 06:11:27,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:11:27,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:11:27,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:11:27,219 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:11:27,219 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:11:27,219 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/genady-alloca_true-termination.c.i [2018-10-27 06:11:27,261 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/data/fc509477e/b2e696b4a5514c3d95460237806bb388/FLAG0d4e0dc04 [2018-10-27 06:11:27,632 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:11:27,633 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/sv-benchmarks/c/termination-memory-alloca/genady-alloca_true-termination.c.i [2018-10-27 06:11:27,642 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/data/fc509477e/b2e696b4a5514c3d95460237806bb388/FLAG0d4e0dc04 [2018-10-27 06:11:27,653 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/bin-2019/uautomizer/data/fc509477e/b2e696b4a5514c3d95460237806bb388 [2018-10-27 06:11:27,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:11:27,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:11:27,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:27,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:11:27,660 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:11:27,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:27,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd24825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27, skipping insertion in model container [2018-10-27 06:11:27,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:27,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:11:27,701 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:11:27,896 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:27,904 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:11:27,934 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:27,969 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:11:27,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27 WrapperNode [2018-10-27 06:11:27,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:27,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:27,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:11:27,971 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:11:27,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:27,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:28,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:28,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:11:28,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:11:28,069 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:11:28,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:28,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:28,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:28,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:28,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:28,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:28,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... [2018-10-27 06:11:28,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:11:28,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:11:28,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:11:28,094 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:11:28,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58656207-a340-4490-a082-0b9b11f8fce8/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 [2018-10-27 06:11:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:11:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:11:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:11:28,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:11:28,506 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:11:28,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:28 BoogieIcfgContainer [2018-10-27 06:11:28,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:11:28,507 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:11:28,507 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:11:28,510 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:11:28,511 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:28,511 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:11:27" (1/3) ... [2018-10-27 06:11:28,512 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a2a8728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:11:28, skipping insertion in model container [2018-10-27 06:11:28,512 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:28,512 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:27" (2/3) ... [2018-10-27 06:11:28,513 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a2a8728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:11:28, skipping insertion in model container [2018-10-27 06:11:28,513 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:28,513 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:28" (3/3) ... [2018-10-27 06:11:28,514 INFO L375 chiAutomizerObserver]: Analyzing ICFG genady-alloca_true-termination.c.i [2018-10-27 06:11:28,574 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:11:28,574 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:11:28,575 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:11:28,575 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:11:28,575 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:11:28,575 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:11:28,575 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:11:28,575 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:11:28,575 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:11:28,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-10-27 06:11:28,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2018-10-27 06:11:28,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:11:28,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:11:28,627 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-10-27 06:11:28,627 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:28,627 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:11:28,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-10-27 06:11:28,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2018-10-27 06:11:28,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:11:28,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:11:28,631 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-10-27 06:11:28,631 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:28,638 INFO L793 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem8, main_#t~post9, main_#t~mem4, main_#t~post5, main_#t~mem6, main_#t~mem7, main_~i~0.base, main_~i~0.offset, main_~j~0.base, main_~j~0.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~i~0.base, main_~i~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~j~0.base, main_~j~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 20#L549true SUMMARY for call write~int(1, main_~j~0.base, main_~j~0.offset, 4); srcloc: L549 3#L549-1true SUMMARY for call write~int(10000, main_~i~0.base, main_~i~0.offset, 4); srcloc: L549-1 14#L550-9true [2018-10-27 06:11:28,639 INFO L795 eck$LassoCheckResult]: Loop: 14#L550-9true assume true; 21#L550-1true SUMMARY for call main_#t~mem6 := read~int(main_~i~0.base, main_~i~0.offset, 4); srcloc: L550-1 4#L550-2true SUMMARY for call main_#t~mem7 := read~int(main_~j~0.base, main_~j~0.offset, 4); srcloc: L550-2 6#L550-3true assume !!(main_#t~mem6 - main_#t~mem7 >= 1);havoc main_#t~mem6;havoc main_#t~mem7; 15#L551true SUMMARY for call main_#t~mem8 := read~int(main_~j~0.base, main_~j~0.offset, 4); srcloc: L551 18#L551-1true main_#t~post9 := main_#t~mem8; 22#L551-2true SUMMARY for call write~int(main_#t~post9 + 1, main_~j~0.base, main_~j~0.offset, 4); srcloc: L551-2 5#L551-3true havoc main_#t~post9;havoc main_#t~mem8; 8#L550-5true SUMMARY for call main_#t~mem4 := read~int(main_~i~0.base, main_~i~0.offset, 4); srcloc: L550-5 9#L550-6true main_#t~post5 := main_#t~mem4; 10#L550-7true SUMMARY for call write~int(main_#t~post5 - 1, main_~i~0.base, main_~i~0.offset, 4); srcloc: L550-7 12#L550-8true havoc main_#t~post5;havoc main_#t~mem4; 14#L550-9true [2018-10-27 06:11:28,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:28,644 INFO L82 PathProgramCache]: Analyzing trace with hash 925540, now seen corresponding path program 1 times [2018-10-27 06:11:28,646 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:28,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:28,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:28,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:28,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:28,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:28,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1004208437, now seen corresponding path program 1 times [2018-10-27 06:11:28,769 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:28,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:28,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:28,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:28,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:28,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:28,796 INFO L82 PathProgramCache]: Analyzing trace with hash 967319982, now seen corresponding path program 1 times [2018-10-27 06:11:28,796 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:28,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:28,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:28,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:28,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:29,047 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-10-27 06:11:29,623 WARN L179 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2018-10-27 06:11:29,731 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:11:29,731 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:11:29,732 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:11:29,732 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:11:29,732 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:11:29,732 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:11:29,732 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:11:29,732 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:11:29,732 INFO L131 ssoRankerPreferences]: Filename of dumped script: genady-alloca_true-termination.c.i_Iteration1_Lasso [2018-10-27 06:11:29,733 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:11:29,733 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:11:29,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:29,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:30,330 WARN L179 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2018-10-27 06:11:30,465 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-10-27 06:11:30,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:30,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:30,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:30,890 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:11:30,894 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:11:30,896 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 [2018-10-27 06:11:30,898 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,898 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:30,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,899 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,899 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,901 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:30,901 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:30,902 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,903 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 [2018-10-27 06:11:30,904 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,904 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:30,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,904 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,905 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:30,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:30,906 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,906 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 [2018-10-27 06:11:30,907 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,907 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,907 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,909 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:30,909 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:30,913 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,913 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 [2018-10-27 06:11:30,914 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,914 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,916 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:30,916 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:30,922 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,922 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 [2018-10-27 06:11:30,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,923 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:30,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,923 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,923 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,924 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:30,924 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:30,925 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,925 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 [2018-10-27 06:11:30,926 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,926 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,928 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:30,928 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:30,931 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,932 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 [2018-10-27 06:11:30,932 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,932 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:30,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,933 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,933 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:30,933 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:30,934 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,935 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 [2018-10-27 06:11:30,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:30,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,936 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,936 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:30,937 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:30,938 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,938 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 [2018-10-27 06:11:30,938 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,939 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,939 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,939 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,940 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:30,941 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:30,944 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,944 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 [2018-10-27 06:11:30,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,945 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,947 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:30,947 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:30,951 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:30,951 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 [2018-10-27 06:11:30,952 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:30,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:30,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:30,952 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:30,958 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:30,959 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:31,008 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:31,009 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 [2018-10-27 06:11:31,009 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:31,009 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:11:31,010 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:31,010 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:31,012 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-10-27 06:11:31,012 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:31,031 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:31,032 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 [2018-10-27 06:11:31,032 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:31,033 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:31,033 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:31,034 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:31,035 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:31,035 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:31,038 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:31,039 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 [2018-10-27 06:11:31,039 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:31,039 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:31,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:31,040 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:31,043 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:31,043 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:31,060 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:11:31,082 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-10-27 06:11:31,082 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-10-27 06:11:31,084 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:11:31,091 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-10-27 06:11:31,091 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:11:31,092 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 Supporting invariants [] [2018-10-27 06:11:31,172 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2018-10-27 06:11:31,177 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-27 06:11:31,178 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-27 06:11:31,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:31,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:31,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:31,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:31,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 59 [2018-10-27 06:11:31,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 41 [2018-10-27 06:11:31,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 06:11:31,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:31,566 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:31,568 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:31,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 52 [2018-10-27 06:11:31,571 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 06:11:31,587 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 06:11:31,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 06:11:31,605 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:47, output treesize:50 [2018-10-27 06:11:31,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:31,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-10-27 06:11:31,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2018-10-27 06:11:31,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 06:11:31,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 06:11:31,795 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:31,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2018-10-27 06:11:31,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2018-10-27 06:11:31,806 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 06:11:31,825 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 06:11:31,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 06:11:31,848 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:50 [2018-10-27 06:11:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:31,885 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 10 loop predicates [2018-10-27 06:11:31,886 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 12 states. [2018-10-27 06:11:31,969 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 12 states. Result 52 states and 53 transitions. Complement of second has 16 states. [2018-10-27 06:11:31,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2018-10-27 06:11:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-10-27 06:11:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2018-10-27 06:11:31,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 4 letters. Loop has 12 letters. [2018-10-27 06:11:31,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:31,974 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-10-27 06:11:31,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:32,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:32,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:32,255 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:32,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 59 [2018-10-27 06:11:32,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 41 [2018-10-27 06:11:32,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 06:11:32,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:32,347 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:32,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:32,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 52 [2018-10-27 06:11:32,351 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 06:11:32,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 06:11:32,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 06:11:32,406 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:47, output treesize:50 [2018-10-27 06:11:32,666 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:32,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2018-10-27 06:11:32,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2018-10-27 06:11:32,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 06:11:32,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 06:11:32,704 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 06:11:32,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-10-27 06:11:32,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2018-10-27 06:11:32,708 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 06:11:32,714 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 06:11:32,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 06:11:32,744 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:50 [2018-10-27 06:11:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:32,769 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 10 loop predicates [2018-10-27 06:11:32,769 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 12 states. [2018-10-27 06:11:33,037 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 12 states. Result 40 states and 42 transitions. Complement of second has 23 states. [2018-10-27 06:11:33,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 10 non-accepting loop states 1 accepting loop states [2018-10-27 06:11:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-10-27 06:11:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 24 transitions. [2018-10-27 06:11:33,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 4 letters. Loop has 12 letters. [2018-10-27 06:11:33,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:33,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 16 letters. Loop has 12 letters. [2018-10-27 06:11:33,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:33,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 4 letters. Loop has 24 letters. [2018-10-27 06:11:33,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:33,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 42 transitions. [2018-10-27 06:11:33,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:33,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2018-10-27 06:11:33,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:11:33,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:11:33,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:11:33,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:11:33,047 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:33,047 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:33,047 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:33,048 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:11:33,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:11:33,048 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:33,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:11:33,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:11:33 BoogieIcfgContainer [2018-10-27 06:11:33,053 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:11:33,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:11:33,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:11:33,053 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:11:33,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:28" (3/4) ... [2018-10-27 06:11:33,057 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:11:33,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:11:33,058 INFO L168 Benchmark]: Toolchain (without parser) took 5402.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -112.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:33,058 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. [2018-10-27 06:11:33,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.92 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:33,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 937.7 MB in the beginning and 1.2 GB in the end (delta: -214.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:33,060 INFO L168 Benchmark]: Boogie Preprocessor took 25.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:33,060 INFO L168 Benchmark]: RCFGBuilder took 411.92 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:33,061 INFO L168 Benchmark]: BuchiAutomizer took 4546.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:33,061 INFO L168 Benchmark]: Witness Printer took 4.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:11:33,066 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 312.92 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 937.7 MB in the beginning and 1.2 GB in the end (delta: -214.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 411.92 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4546.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[j][j] + unknown-#memory_int-unknown[i][i] and consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [0, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 34 SDslu, 60 SDs, 0 SdLazy, 113 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital226 mio100 ax107 hnf100 lsp88 ukn75 mio100 lsp39 div100 bol100 ite100 ukn100 eq186 hnf88 smp94 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...