./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/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 32bit --witnessprinter.graph.data.programhash 9448a6696b4991e038dda55623feb6ffc9366da0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:02:26,199 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:02:26,200 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:02:26,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:02:26,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:02:26,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:02:26,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:02:26,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:02:26,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:02:26,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:02:26,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:02:26,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:02:26,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:02:26,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:02:26,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:02:26,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:02:26,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:02:26,216 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:02:26,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:02:26,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:02:26,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:02:26,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:02:26,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:02:26,220 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:02:26,220 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:02:26,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:02:26,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:02:26,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:02:26,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:02:26,223 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:02:26,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:02:26,224 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:02:26,224 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:02:26,224 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:02:26,225 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:02:26,225 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:02:26,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 03:02:26,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:02:26,235 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:02:26,236 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:02:26,236 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:02:26,236 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:02:26,236 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 03:02:26,236 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 03:02:26,237 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 03:02:26,237 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 03:02:26,237 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 03:02:26,237 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 03:02:26,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:02:26,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:02:26,237 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:02:26,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:02:26,238 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:02:26,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:02:26,238 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 03:02:26,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 03:02:26,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 03:02:26,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:02:26,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:02:26,239 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 03:02:26,239 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:02:26,239 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 03:02:26,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:02:26,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:02:26,239 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 03:02:26,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:02:26,239 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:02:26,240 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 03:02:26,240 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 03:02:26,240 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_cea9416d-40ed-4e10-bba8-49d0771c1273/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9448a6696b4991e038dda55623feb6ffc9366da0 [2018-11-23 03:02:26,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:02:26,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:02:26,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:02:26,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:02:26,278 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:02:26,278 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c [2018-11-23 03:02:26,317 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/data/7d4692a41/a05b1c817b864582a2d935d1401eed8a/FLAG2a9ceeff1 [2018-11-23 03:02:26,710 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:02:26,710 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c [2018-11-23 03:02:26,714 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/data/7d4692a41/a05b1c817b864582a2d935d1401eed8a/FLAG2a9ceeff1 [2018-11-23 03:02:26,726 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/data/7d4692a41/a05b1c817b864582a2d935d1401eed8a [2018-11-23 03:02:26,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:02:26,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:02:26,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:02:26,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:02:26,733 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:02:26,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c486bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26, skipping insertion in model container [2018-11-23 03:02:26,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:02:26,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:02:26,865 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:02:26,867 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:02:26,875 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:02:26,883 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:02:26,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26 WrapperNode [2018-11-23 03:02:26,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:02:26,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:02:26,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:02:26,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:02:26,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:02:26,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:02:26,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:02:26,901 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:02:26,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... [2018-11-23 03:02:26,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:02:26,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:02:26,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:02:26,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:02:26,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/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 03:02:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2018-11-23 03:02:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2018-11-23 03:02:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:02:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:02:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-23 03:02:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-23 03:02:27,059 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:02:27,059 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 03:02:27,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:27 BoogieIcfgContainer [2018-11-23 03:02:27,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:02:27,060 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 03:02:27,060 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 03:02:27,062 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 03:02:27,063 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:02:27,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:02:26" (1/3) ... [2018-11-23 03:02:27,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48117965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:02:27, skipping insertion in model container [2018-11-23 03:02:27,064 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:02:27,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:26" (2/3) ... [2018-11-23 03:02:27,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48117965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:02:27, skipping insertion in model container [2018-11-23 03:02:27,064 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:02:27,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:27" (3/3) ... [2018-11-23 03:02:27,066 INFO L375 chiAutomizerObserver]: Analyzing ICFG id2_i5_o5_true-unreach-call_true-termination.c [2018-11-23 03:02:27,110 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:02:27,110 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 03:02:27,110 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 03:02:27,111 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 03:02:27,111 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:02:27,111 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:02:27,111 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 03:02:27,111 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:02:27,111 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 03:02:27,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-11-23 03:02:27,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-23 03:02:27,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:02:27,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:02:27,149 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 03:02:27,149 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 03:02:27,149 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 03:02:27,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-11-23 03:02:27,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-23 03:02:27,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:02:27,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:02:27,152 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 03:02:27,152 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 03:02:27,158 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := 5; 11#L19true call main_#t~ret2 := id(main_~input~0);< 20#idENTRYtrue [2018-11-23 03:02:27,158 INFO L796 eck$LassoCheckResult]: Loop: 20#idENTRYtrue ~x := #in~x; 14#L8true assume !(0 == ~x); 13#L9true call #t~ret0 := id2(~x - 1);< 10#id2ENTRYtrue ~x := #in~x; 8#L13true assume !(0 == ~x); 5#L14true call #t~ret1 := id(~x - 1);< 20#idENTRYtrue [2018-11-23 03:02:27,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:02:27,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1272, now seen corresponding path program 1 times [2018-11-23 03:02:27,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:02:27,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:02:27,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:02:27,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:02:27,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:02:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:02:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:02:27,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:02:27,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1542369597, now seen corresponding path program 1 times [2018-11-23 03:02:27,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:02:27,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:02:27,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:02:27,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:02:27,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:02:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:02:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:02:27,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:02:27,234 INFO L82 PathProgramCache]: Analyzing trace with hash -16850700, now seen corresponding path program 1 times [2018-11-23 03:02:27,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:02:27,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:02:27,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:02:27,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:02:27,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:02:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:02:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:02:27,354 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 03:02:27,355 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 03:02:27,355 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 03:02:27,355 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 03:02:27,355 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 03:02:27,356 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,356 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 03:02:27,356 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 03:02:27,356 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Loop [2018-11-23 03:02:27,356 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 03:02:27,356 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 03:02:27,368 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 03:02:27,374 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 03:02:27,387 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 03:02:27,389 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 03:02:27,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:02:27,392 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 03:02:27,394 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 03:02:27,395 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 03:02:27,489 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 03:02:27,490 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/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 03:02:27,493 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,493 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,499 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,499 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/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 03:02:27,514 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,515 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/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 03:02:27,532 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:02:27,532 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,561 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,561 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-5} Honda state: {id_#in~x=-5} Generalized eigenvectors: [{id_#in~x=0}, {id_#in~x=0}, {id_#in~x=-2}] Lambdas: [1, 7, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/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 03:02:27,576 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,576 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,578 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,579 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/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 03:02:27,609 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,609 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,611 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,611 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,626 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,626 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,628 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,628 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,654 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,654 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,656 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,656 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,671 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,671 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,673 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,673 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,687 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,687 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,689 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,689 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-23 03:02:27,713 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 03:02:27,713 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 03:02:27,713 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 03:02:27,713 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 03:02:27,713 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 03:02:27,713 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,713 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 03:02:27,713 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 03:02:27,714 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-23 03:02:27,714 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 03:02:27,714 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 03:02:27,715 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 03:02:27,717 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 03:02:27,718 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 03:02:27,719 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 03:02:27,721 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 03:02:27,725 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 03:02:27,727 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 03:02:27,729 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 03:02:27,730 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 03:02:27,731 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 03:02:27,735 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 03:02:27,736 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 03:02:27,737 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 03:02:27,855 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 03:02:27,855 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,859 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,859 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,861 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,862 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,886 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,886 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,888 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,889 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,914 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,914 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,917 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,918 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,942 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,942 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:27,945 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 03:02:27,945 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=0} Honda state: {ULTIMATE.start_main_~input~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,971 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:02:27,971 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea9416d-40ed-4e10-bba8-49d0771c1273/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:27,999 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:02:27,999 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:02:28,055 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 03:02:28,056 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 03:02:28,056 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 03:02:28,056 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 03:02:28,056 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 03:02:28,056 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 03:02:28,056 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:02:28,056 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 03:02:28,056 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 03:02:28,056 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-23 03:02:28,056 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 03:02:28,056 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 03:02:28,057 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 03:02:28,059 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 03:02:28,062 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 03:02:28,063 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 03:02:28,064 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 03:02:28,070 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 03:02:28,072 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 03:02:28,073 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 03:02:28,075 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 03:02:28,076 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 03:02:28,077 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 03:02:28,082 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 03:02:28,084 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 03:02:28,168 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 03:02:28,171 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 03:02:28,172 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 03:02:28,173 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:02:28,173 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:02:28,174 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:02:28,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:02:28,174 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:02:28,175 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:02:28,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:02:28,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:02:28,178 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 03:02:28,179 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:02:28,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:02:28,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:02:28,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:02:28,179 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:02:28,180 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:02:28,180 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:02:28,180 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:02:28,181 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 03:02:28,181 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:02:28,181 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:02:28,181 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:02:28,181 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:02:28,181 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:02:28,182 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:02:28,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:02:28,183 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:02:28,183 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 03:02:28,184 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:02:28,184 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:02:28,184 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:02:28,184 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:02:28,184 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:02:28,185 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:02:28,185 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:02:28,186 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:02:28,186 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 03:02:28,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:02:28,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:02:28,186 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 03:02:28,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:02:28,191 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-23 03:02:28,191 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 03:02:28,261 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 03:02:28,278 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 03:02:28,279 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-23 03:02:28,281 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 03:02:28,285 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-23 03:02:28,285 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 03:02:28,286 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2018-11-23 03:02:28,290 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-23 03:02:28,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:02:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:02:28,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:02:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:02:28,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:02:28,443 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 03:02:28,452 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2018-11-23 03:02:28,453 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 8 states. [2018-11-23 03:02:28,614 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 8 states. Result 54 states and 61 transitions. Complement of second has 23 states. [2018-11-23 03:02:28,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-23 03:02:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 03:02:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2018-11-23 03:02:28,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-23 03:02:28,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:02:28,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2018-11-23 03:02:28,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:02:28,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 12 letters. [2018-11-23 03:02:28,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:02:28,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2018-11-23 03:02:28,623 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 03:02:28,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-11-23 03:02:28,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 03:02:28,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 03:02:28,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 03:02:28,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 03:02:28,627 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:02:28,627 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:02:28,627 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:02:28,627 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 03:02:28,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:02:28,627 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 03:02:28,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 03:02:28,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:02:28 BoogieIcfgContainer [2018-11-23 03:02:28,631 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 03:02:28,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:02:28,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:02:28,631 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:02:28,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:02:27" (3/4) ... [2018-11-23 03:02:28,633 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 03:02:28,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:02:28,634 INFO L168 Benchmark]: Toolchain (without parser) took 1905.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.2 MB in the beginning and 891.2 MB in the end (delta: 68.1 MB). Peak memory consumption was 204.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:02:28,635 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:02:28,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:02:28,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.35 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:02:28,636 INFO L168 Benchmark]: Boogie Preprocessor took 8.92 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:02:28,636 INFO L168 Benchmark]: RCFGBuilder took 149.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:02:28,637 INFO L168 Benchmark]: BuchiAutomizer took 1570.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.2 MB in the end (delta: 234.0 MB). Peak memory consumption was 234.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:02:28,637 INFO L168 Benchmark]: Witness Printer took 2.53 ms. Allocated memory is still 1.2 GB. Free memory is still 891.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:02:28,639 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.35 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.92 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 149.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1570.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.2 MB in the end (delta: 234.0 MB). Peak memory consumption was 234.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.53 ms. Allocated memory is still 1.2 GB. Free memory is still 891.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 18 SDslu, 16 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq201 hnf97 smp100 dnf250 smp42 tf101 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 99ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...