./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition01-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition01-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 91d2600fad1210650d8ad3da481cdcc11b280095 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:14:27,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:14:27,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:14:27,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:14:27,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:14:27,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:14:27,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:14:27,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:14:27,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:14:27,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:14:27,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:14:27,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:14:27,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:14:27,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:14:27,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:14:27,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:14:27,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:14:27,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:14:27,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:14:27,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:14:27,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:14:27,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:14:27,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:14:27,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:14:27,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:14:27,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:14:27,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:14:27,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:14:27,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:14:27,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:14:27,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:14:27,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:14:27,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:14:27,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:14:27,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:14:27,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:14:27,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:14:27,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:14:27,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:14:27,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:14:27,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:14:27,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 11:14:27,279 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:14:27,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:14:27,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:14:27,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:14:27,280 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:14:27,280 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:14:27,280 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:14:27,280 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:14:27,281 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:14:27,281 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:14:27,281 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:14:27,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:14:27,281 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:14:27,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:14:27,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:14:27,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:14:27,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:14:27,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:14:27,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:14:27,283 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:14:27,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:14:27,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:14:27,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:14:27,283 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:14:27,284 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:14:27,284 INFO L138 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/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 -> 91d2600fad1210650d8ad3da481cdcc11b280095 [2019-12-07 11:14:27,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:14:27,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:14:27,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:14:27,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:14:27,393 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:14:27,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/../../sv-benchmarks/c/recursive/Addition01-2.c [2019-12-07 11:14:27,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/data/3cb2604fd/18e233808d0a4b3b940509f10af2e4a1/FLAGbe1887337 [2019-12-07 11:14:27,851 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:14:27,852 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/sv-benchmarks/c/recursive/Addition01-2.c [2019-12-07 11:14:27,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/data/3cb2604fd/18e233808d0a4b3b940509f10af2e4a1/FLAGbe1887337 [2019-12-07 11:14:27,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/data/3cb2604fd/18e233808d0a4b3b940509f10af2e4a1 [2019-12-07 11:14:27,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:14:27,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:14:27,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:14:27,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:14:27,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:14:27,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:14:27" (1/1) ... [2019-12-07 11:14:27,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c51c803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:27, skipping insertion in model container [2019-12-07 11:14:27,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:14:27" (1/1) ... [2019-12-07 11:14:27,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:14:27,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:14:27,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:14:28,000 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:14:28,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:14:28,054 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:14:28,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28 WrapperNode [2019-12-07 11:14:28,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:14:28,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:14:28,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:14:28,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:14:28,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:14:28,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:14:28,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:14:28,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:14:28,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... [2019-12-07 11:14:28,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:14:28,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:14:28,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:14:28,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:14:28,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:14:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:14:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2019-12-07 11:14:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2019-12-07 11:14:28,228 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:14:28,229 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 11:14:28,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:14:28 BoogieIcfgContainer [2019-12-07 11:14:28,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:14:28,230 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:14:28,230 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:14:28,232 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:14:28,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:14:28,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:14:27" (1/3) ... [2019-12-07 11:14:28,233 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35fb0cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:14:28, skipping insertion in model container [2019-12-07 11:14:28,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:14:28,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:14:28" (2/3) ... [2019-12-07 11:14:28,234 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35fb0cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:14:28, skipping insertion in model container [2019-12-07 11:14:28,234 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:14:28,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:14:28" (3/3) ... [2019-12-07 11:14:28,235 INFO L371 chiAutomizerObserver]: Analyzing ICFG Addition01-2.c [2019-12-07 11:14:28,264 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:14:28,264 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:14:28,264 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:14:28,264 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:14:28,265 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:14:28,265 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:14:28,265 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:14:28,265 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:14:28,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-12-07 11:14:28,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 11:14:28,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:14:28,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:14:28,294 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 11:14:28,294 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 11:14:28,295 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:14:28,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-12-07 11:14:28,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 11:14:28,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:14:28,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:14:28,297 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 11:14:28,297 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 11:14:28,302 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L28true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 19#L34true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 9#L39true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 14#additionENTRYtrue [2019-12-07 11:14:28,302 INFO L796 eck$LassoCheckResult]: Loop: 14#additionENTRYtrue ~m := #in~m;~n := #in~n; 17#L14true assume !(0 == ~n); 12#L17true assume ~n > 0; 11#L18true call #t~ret0 := addition(1 + ~m, ~n - 1);< 14#additionENTRYtrue [2019-12-07 11:14:28,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:14:28,307 INFO L82 PathProgramCache]: Analyzing trace with hash 959461, now seen corresponding path program 1 times [2019-12-07 11:14:28,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:14:28,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831422761] [2019-12-07 11:14:28,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:14:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:14:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:14:28,382 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:14:28,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:14:28,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1666418, now seen corresponding path program 1 times [2019-12-07 11:14:28,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:14:28,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857986225] [2019-12-07 11:14:28,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:14:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:14:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:14:28,393 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:14:28,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:14:28,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1319862102, now seen corresponding path program 1 times [2019-12-07 11:14:28,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:14:28,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907805819] [2019-12-07 11:14:28,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:14:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:14:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:14:28,410 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:14:28,481 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:14:28,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:14:28,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:14:28,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:14:28,482 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:14:28,482 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:28,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:14:28,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:14:28,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2019-12-07 11:14:28,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:14:28,482 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:14:28,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,550 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:14:28,550 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:28,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:28,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:28,562 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:28,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:28,568 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:28,568 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,574 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:28,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:28,577 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:28,577 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:28,580 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:14:28,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:28,598 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:28,598 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=4}, {addition_#in~m=0}, {addition_#in~m=-3}] Lambdas: [1, 5, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:28,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:28,606 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:28,606 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:28,610 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:14:28,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:28,623 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:14:28,624 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:14:28,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:14:28,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:14:28,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:14:28,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:14:28,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:28,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:14:28,625 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:14:28,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2019-12-07 11:14:28,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:14:28,625 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:14:28,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:28,672 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:14:28,675 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,679 INFO L120 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 [2019-12-07 11:14:28,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:28,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:28,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:28,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:28,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:28,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:28,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:28,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,689 INFO L120 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 [2019-12-07 11:14:28,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:28,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:28,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:28,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:28,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:28,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:28,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:28,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,695 INFO L120 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 [2019-12-07 11:14:28,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:28,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:28,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:28,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:28,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:28,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:28,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:28,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,702 INFO L120 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 [2019-12-07 11:14:28,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:28,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:28,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:28,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:28,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:28,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:28,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:28,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,710 INFO L120 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 [2019-12-07 11:14:28,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:28,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:28,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:28,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:28,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:28,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:28,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:28,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,717 INFO L120 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 [2019-12-07 11:14:28,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:28,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:28,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:28,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:28,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:28,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:28,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:28,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/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 [2019-12-07 11:14:28,725 INFO L120 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 [2019-12-07 11:14:28,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:28,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:28,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:28,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:28,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:28,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:28,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:28,729 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:14:28,732 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 11:14:28,732 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:28,735 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:14:28,736 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:14:28,736 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:14:28,736 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2019-12-07 11:14:28,739 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:14:28,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:14:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:14:28,765 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:14:28,766 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:14:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:14:28,780 INFO L264 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:14:28,780 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:14:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:14:28,807 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 11:14:28,808 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 4 states. [2019-12-07 11:14:28,896 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 4 states. Result 53 states and 72 transitions. Complement of second has 12 states. [2019-12-07 11:14:28,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 11:14:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 11:14:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-12-07 11:14:28,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 11:14:28,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:14:28,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 4 letters. [2019-12-07 11:14:28,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:14:28,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 8 letters. [2019-12-07 11:14:28,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:14:28,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 72 transitions. [2019-12-07 11:14:28,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 11:14:28,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 26 states and 29 transitions. [2019-12-07 11:14:28,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-12-07 11:14:28,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-12-07 11:14:28,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-12-07 11:14:28,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:14:28,913 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-12-07 11:14:28,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-12-07 11:14:28,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 17. [2019-12-07 11:14:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 11:14:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-12-07 11:14:28,932 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 11:14:28,933 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 11:14:28,933 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:14:28,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-12-07 11:14:28,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 11:14:28,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:14:28,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:14:28,934 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:14:28,934 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 11:14:28,934 INFO L794 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 143#L28 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 146#L34 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 136#L39 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 137#additionENTRY ~m := #in~m;~n := #in~n; 139#L14 assume !(0 == ~n); 144#L17 assume !(~n > 0); 132#L20 [2019-12-07 11:14:28,934 INFO L796 eck$LassoCheckResult]: Loop: 132#L20 assume ~n < 0; 134#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 141#additionENTRY ~m := #in~m;~n := #in~n; 148#L14 assume !(0 == ~n); 147#L17 assume !(~n > 0); 132#L20 [2019-12-07 11:14:28,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:14:28,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1481444455, now seen corresponding path program 1 times [2019-12-07 11:14:28,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:14:28,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707594254] [2019-12-07 11:14:28,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:14:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:14:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:14:28,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707594254] [2019-12-07 11:14:29,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:14:29,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:14:29,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396291711] [2019-12-07 11:14:29,003 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 11:14:29,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:14:29,003 INFO L82 PathProgramCache]: Analyzing trace with hash 64193780, now seen corresponding path program 1 times [2019-12-07 11:14:29,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:14:29,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851435309] [2019-12-07 11:14:29,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:14:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:14:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:14:29,012 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:14:29,072 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:14:29,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:14:29,072 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:14:29,072 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:14:29,073 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:14:29,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:29,073 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:14:29,073 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:14:29,073 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2019-12-07 11:14:29,073 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:14:29,073 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:14:29,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:29,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:29,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:29,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:29,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:29,137 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:14:29,137 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:29,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:29,140 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:29,143 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:29,143 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:29,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:29,147 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:29,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:14:29,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:29,278 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:29,278 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-4, addition_~m=3} Honda state: {addition_#in~m=-4, addition_~m=3} Generalized eigenvectors: [{addition_#in~m=7, addition_~m=0}, {addition_#in~m=5, addition_~m=-1}, {addition_#in~m=-6, addition_~m=0}] Lambdas: [0, 1, 0] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:29,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:29,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:29,286 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:29,286 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:29,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:29,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:29,292 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:14:29,292 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:29,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:14:29,296 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:29,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:14:29,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:14:41,126 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:14:41,128 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:14:41,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:14:41,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:14:41,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:14:41,129 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:14:41,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:41,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:14:41,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:14:41,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2019-12-07 11:14:41,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:14:41,130 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:14:41,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:41,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:41,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:41,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:41,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:14:41,192 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:14:41,192 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:41,195 INFO L120 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 [2019-12-07 11:14:41,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:41,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:41,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:41,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:41,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:41,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:41,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:41,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:41,202 INFO L120 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 [2019-12-07 11:14:41,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:41,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:41,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:41,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:41,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:41,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:41,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:41,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:41,210 INFO L120 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 [2019-12-07 11:14:41,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:41,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:41,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:41,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:41,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:41,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:41,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:41,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:41,219 INFO L120 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 [2019-12-07 11:14:41,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:41,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:41,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:41,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:41,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:41,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:41,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:41,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:41,232 INFO L120 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 [2019-12-07 11:14:41,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:14:41,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:14:41,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:14:41,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:14:41,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:14:41,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:14:41,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:14:41,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:14:41,240 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-12-07 11:14:41,240 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c8fdb33-1468-4edb-b765-b104aa1e26df/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:14:41,242 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:14:41,242 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:14:41,242 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:14:41,242 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2019-12-07 11:14:41,245 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:14:41,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:14:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:14:41,265 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:14:41,265 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:14:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:14:41,274 INFO L264 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:14:41,274 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:14:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:14:41,289 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 11:14:41,289 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-12-07 11:14:41,315 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 31 states and 36 transitions. Complement of second has 13 states. [2019-12-07 11:14:41,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 11:14:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 11:14:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-12-07 11:14:41,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 5 letters. [2019-12-07 11:14:41,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:14:41,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2019-12-07 11:14:41,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:14:41,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 10 letters. [2019-12-07 11:14:41,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:14:41,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2019-12-07 11:14:41,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 11:14:41,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 35 transitions. [2019-12-07 11:14:41,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 11:14:41,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 11:14:41,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 35 transitions. [2019-12-07 11:14:41,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:14:41,319 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-12-07 11:14:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 35 transitions. [2019-12-07 11:14:41,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2019-12-07 11:14:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 11:14:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-12-07 11:14:41,322 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-12-07 11:14:41,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:14:41,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:14:41,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:14:41,324 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 6 states. [2019-12-07 11:14:41,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:14:41,351 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-12-07 11:14:41,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:14:41,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2019-12-07 11:14:41,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:14:41,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-12-07 11:14:41,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:14:41,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:14:41,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:14:41,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:14:41,352 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:14:41,352 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:14:41,352 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:14:41,352 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 11:14:41,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:14:41,352 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:14:41,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:14:41,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:14:41 BoogieIcfgContainer [2019-12-07 11:14:41,356 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:14:41,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:14:41,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:14:41,356 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:14:41,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:14:28" (3/4) ... [2019-12-07 11:14:41,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:14:41,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:14:41,360 INFO L168 Benchmark]: Toolchain (without parser) took 13490.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -120.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:14:41,360 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:14:41,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:14:41,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:14:41,361 INFO L168 Benchmark]: Boogie Preprocessor took 10.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:14:41,362 INFO L168 Benchmark]: RCFGBuilder took 141.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:14:41,362 INFO L168 Benchmark]: BuchiAutomizer took 13126.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:14:41,362 INFO L168 Benchmark]: Witness Printer took 2.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:14:41,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 141.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13126.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.54 ms. Allocated memory is still 1.1 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.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 12.7s. 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 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 27 SDtfs, 44 SDslu, 10 SDs, 0 SdLazy, 58 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp87 dnf100 smp100 tf111 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 12.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...