./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 59c5766d3cddc0d41e2678bb5221cccc60217431 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:18:06,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:18:06,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:18:06,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:18:06,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:18:06,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:18:06,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:18:06,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:18:06,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:18:06,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:18:06,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:18:06,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:18:06,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:18:06,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:18:06,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:18:06,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:18:06,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:18:06,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:18:06,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:18:06,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:18:06,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:18:06,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:18:06,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:18:06,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:18:06,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:18:06,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:18:06,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:18:06,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:18:06,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:18:06,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:18:06,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:18:06,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:18:06,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:18:06,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:18:06,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:18:06,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:18:06,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:18:06,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:18:06,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:18:06,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:18:06,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:18:06,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 00:18:06,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:18:06,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:18:06,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:18:06,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:18:06,440 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:18:06,440 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:18:06,440 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:18:06,440 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:18:06,440 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:18:06,440 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:18:06,441 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:18:06,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:18:06,441 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:18:06,441 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:18:06,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:18:06,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:18:06,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:18:06,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:18:06,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:18:06,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:18:06,442 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:18:06,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:18:06,443 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:18:06,443 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:18:06,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:18:06,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:18:06,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:18:06,444 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:18:06,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:18:06,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:18:06,444 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:18:06,445 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:18:06,445 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_722213fa-411d-44a1-bfb1-a75223232863/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 -> 59c5766d3cddc0d41e2678bb5221cccc60217431 [2019-11-16 00:18:06,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:18:06,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:18:06,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:18:06,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:18:06,485 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:18:06,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-16 00:18:06,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/data/e4159c573/5437bb5ba1294539913965b97c2c8e10/FLAGa6a0ecaa3 [2019-11-16 00:18:06,929 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:18:06,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2019-11-16 00:18:06,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/data/e4159c573/5437bb5ba1294539913965b97c2c8e10/FLAGa6a0ecaa3 [2019-11-16 00:18:06,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/bin/uautomizer/data/e4159c573/5437bb5ba1294539913965b97c2c8e10 [2019-11-16 00:18:06,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:18:06,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:18:06,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:06,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:18:06,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:18:06,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:06" (1/1) ... [2019-11-16 00:18:06,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92ee066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:06, skipping insertion in model container [2019-11-16 00:18:06,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:06" (1/1) ... [2019-11-16 00:18:06,966 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:18:06,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:18:07,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:18:07,144 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:18:07,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:18:07,284 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:18:07,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07 WrapperNode [2019-11-16 00:18:07,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:07,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:18:07,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:18:07,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:18:07,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:18:07,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:18:07,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:18:07,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:18:07,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... [2019-11-16 00:18:07,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:18:07,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:18:07,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:18:07,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:18:07,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-11-16 00:18:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-11-16 00:18:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:18:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:18:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-16 00:18:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-16 00:18:07,612 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:18:07,612 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-16 00:18:07,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:07 BoogieIcfgContainer [2019-11-16 00:18:07,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:18:07,614 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:18:07,614 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:18:07,616 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:18:07,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:18:07,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:18:06" (1/3) ... [2019-11-16 00:18:07,618 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75a0ccb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:18:07, skipping insertion in model container [2019-11-16 00:18:07,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:18:07,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:07" (2/3) ... [2019-11-16 00:18:07,619 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75a0ccb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:18:07, skipping insertion in model container [2019-11-16 00:18:07,619 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:18:07,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:07" (3/3) ... [2019-11-16 00:18:07,621 INFO L371 chiAutomizerObserver]: Analyzing ICFG id2_i5_o5-1.c [2019-11-16 00:18:07,680 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:18:07,681 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:18:07,681 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:18:07,681 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:18:07,681 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:18:07,681 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:18:07,682 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:18:07,682 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:18:07,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-11-16 00:18:07,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-16 00:18:07,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:18:07,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:18:07,741 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-16 00:18:07,741 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:18:07,741 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:18:07,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-11-16 00:18:07,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-16 00:18:07,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:18:07,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:18:07,747 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-16 00:18:07,748 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:18:07,755 INFO L791 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := 5; 11#L19true call main_#t~ret2 := id(main_~input~0);< 20#idENTRYtrue [2019-11-16 00:18:07,756 INFO L793 eck$LassoCheckResult]: Loop: 20#idENTRYtrue ~x := #in~x; 14#L8true assume !(0 == ~x); 13#L9true call #t~ret0 := id2(~x - 1);< 10#id2ENTRYtrue ~x := #in~x; 8#L13true assume !(0 == ~x); 5#L14true call #t~ret1 := id(~x - 1);< 20#idENTRYtrue [2019-11-16 00:18:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:07,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1272, now seen corresponding path program 1 times [2019-11-16 00:18:07,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:07,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726503770] [2019-11-16 00:18:07,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:07,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:07,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:07,845 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:18:07,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:07,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1542369597, now seen corresponding path program 1 times [2019-11-16 00:18:07,846 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:07,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235076881] [2019-11-16 00:18:07,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:07,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:07,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:07,864 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:18:07,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:07,865 INFO L82 PathProgramCache]: Analyzing trace with hash -16850700, now seen corresponding path program 1 times [2019-11-16 00:18:07,865 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:07,865 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507623771] [2019-11-16 00:18:07,866 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:07,866 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:07,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:07,882 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:18:08,037 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:18:08,037 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:18:08,038 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:18:08,038 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:18:08,038 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-16 00:18:08,038 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,038 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:18:08,038 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:18:08,038 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5-1.c_Iteration1_Loop [2019-11-16 00:18:08,038 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:18:08,039 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:18:08,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,234 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-11-16 00:18:08,333 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:18:08,334 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:08,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:18:08,347 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,348 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:08,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,360 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:08,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-16 00:18:08,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:18:08,417 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,417 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-7} Honda state: {id_#in~x=-7} Generalized eigenvectors: [{id_#in~x=0}, {id_#in~x=-2}, {id_#in~x=0}] Lambdas: [14, 1, 9] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:08,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:18:08,441 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,441 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:08,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,462 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:18:08,466 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,466 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:08,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:18:08,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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) [2019-11-16 00:18:08,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,492 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,497 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,497 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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) [2019-11-16 00:18:08,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,507 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,511 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,512 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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) [2019-11-16 00:18:08,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,530 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,537 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,537 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-11-16 00:18:08,564 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:18:08,564 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:18:08,564 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:18:08,565 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:18:08,565 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-16 00:18:08,565 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,565 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:18:08,565 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:18:08,565 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5-1.c_Iteration1_Lasso [2019-11-16 00:18:08,565 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:18:08,566 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:18:08,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,740 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:18:08,740 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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) [2019-11-16 00:18:08,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,753 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,758 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,758 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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) [2019-11-16 00:18:08,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,778 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,783 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,783 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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) [2019-11-16 00:18:08,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,802 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,807 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,807 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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) [2019-11-16 00:18:08,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,826 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,832 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:18:08,832 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=0} Honda state: {ULTIMATE.start_main_~input~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:08,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:18:08,847 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_722213fa-411d-44a1-bfb1-a75223232863/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 [2019-11-16 00:18:08,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-16 00:18:08,862 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:18:08,889 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-16 00:18:08,891 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:18:08,891 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:18:08,891 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:18:08,891 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:18:08,891 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:18:08,892 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:08,892 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:18:08,892 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:18:08,892 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5-1.c_Iteration1_Lasso [2019-11-16 00:18:08,892 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:18:08,892 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:18:08,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:08,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:09,085 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:18:09,090 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:18:09,091 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 [2019-11-16 00:18:09,096 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:09,096 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:09,097 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:09,097 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:09,098 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:09,100 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:09,101 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:09,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:09,106 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 [2019-11-16 00:18:09,107 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:09,107 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:09,107 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:09,107 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:09,108 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:09,108 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:09,108 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:09,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:09,116 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 [2019-11-16 00:18:09,117 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:09,117 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:09,117 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:09,117 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:09,117 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:09,118 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:09,119 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:09,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:09,123 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 [2019-11-16 00:18:09,123 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:09,124 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:09,124 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:09,125 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:09,125 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:09,126 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:09,126 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:09,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:09,127 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 [2019-11-16 00:18:09,128 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:09,129 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:09,129 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-16 00:18:09,129 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:09,149 INFO L400 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-16 00:18:09,150 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-16 00:18:09,320 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:18:09,411 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-16 00:18:09,411 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2019-11-16 00:18:09,414 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:18:09,427 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-16 00:18:09,428 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:18:09,428 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2019-11-16 00:18:09,434 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-16 00:18:09,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:09,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-16 00:18:09,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:18:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:09,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-16 00:18:09,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:18:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:09,711 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2019-11-16 00:18:09,713 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 8 states. [2019-11-16 00:18:10,073 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 8 states. Result 54 states and 61 transitions. Complement of second has 23 states. [2019-11-16 00:18:10,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2019-11-16 00:18:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-16 00:18:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2019-11-16 00:18:10,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-16 00:18:10,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:18:10,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-16 00:18:10,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:18:10,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-16 00:18:10,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:18:10,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2019-11-16 00:18:10,092 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:18:10,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2019-11-16 00:18:10,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:18:10,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:18:10,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:18:10,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:18:10,098 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:18:10,098 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:18:10,099 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:18:10,099 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:18:10,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:18:10,099 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:18:10,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:18:10,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:18:10 BoogieIcfgContainer [2019-11-16 00:18:10,107 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:18:10,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:18:10,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:18:10,108 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:18:10,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:07" (3/4) ... [2019-11-16 00:18:10,112 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:18:10,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:18:10,114 INFO L168 Benchmark]: Toolchain (without parser) took 3161.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.5 MB in the beginning and 856.1 MB in the end (delta: 90.4 MB). Peak memory consumption was 238.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:10,115 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:10,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:10,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:10,117 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:10,119 INFO L168 Benchmark]: RCFGBuilder took 280.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:10,124 INFO L168 Benchmark]: BuchiAutomizer took 2494.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.1 MB in the end (delta: 263.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:10,125 INFO L168 Benchmark]: Witness Printer took 4.67 ms. Allocated memory is still 1.2 GB. Free memory is still 856.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:10,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 280.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2494.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.1 MB in the end (delta: 263.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.67 ms. Allocated memory is still 1.2 GB. Free memory is still 856.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 18 SDslu, 16 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq201 hnf97 smp100 dnf250 smp42 tf101 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 299ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...