./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9448a6696b4991e038dda55623feb6ffc9366da0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:50:34,268 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:50:34,269 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:50:34,277 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:50:34,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:50:34,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:50:34,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:50:34,280 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:50:34,282 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:50:34,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:50:34,283 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:50:34,284 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:50:34,284 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:50:34,285 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:50:34,286 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:50:34,287 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:50:34,288 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:50:34,289 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:50:34,291 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:50:34,293 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:50:34,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:50:34,295 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:50:34,297 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:50:34,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:50:34,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:50:34,298 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:50:34,299 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:50:34,299 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:50:34,300 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:50:34,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:50:34,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:50:34,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:50:34,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:50:34,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:50:34,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:50:34,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:50:34,304 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 10:50:34,314 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:50:34,314 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:50:34,315 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:50:34,315 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:50:34,315 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:50:34,316 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 10:50:34,316 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 10:50:34,316 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 10:50:34,316 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 10:50:34,316 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 10:50:34,316 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 10:50:34,317 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:50:34,317 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:50:34,317 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 10:50:34,317 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:50:34,317 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:50:34,317 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:50:34,317 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 10:50:34,318 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 10:50:34,318 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 10:50:34,318 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:50:34,318 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:50:34,318 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 10:50:34,318 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:50:34,318 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 10:50:34,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:50:34,319 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:50:34,319 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 10:50:34,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:50:34,319 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:50:34,319 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 10:50:34,320 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 10:50:34,320 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9448a6696b4991e038dda55623feb6ffc9366da0 [2018-11-28 10:50:34,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:50:34,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:50:34,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:50:34,359 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:50:34,359 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:50:34,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c [2018-11-28 10:50:34,404 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/data/cf8abe27f/5166de39fd0f459691e7fd2f2f2bb9ab/FLAG30676c1f9 [2018-11-28 10:50:34,738 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:50:34,739 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/sv-benchmarks/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c [2018-11-28 10:50:34,743 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/data/cf8abe27f/5166de39fd0f459691e7fd2f2f2bb9ab/FLAG30676c1f9 [2018-11-28 10:50:35,175 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/data/cf8abe27f/5166de39fd0f459691e7fd2f2f2bb9ab [2018-11-28 10:50:35,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:50:35,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:50:35,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:50:35,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:50:35,184 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:50:35,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13220c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35, skipping insertion in model container [2018-11-28 10:50:35,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:50:35,202 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:50:35,305 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:50:35,308 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:50:35,317 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:50:35,326 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:50:35,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35 WrapperNode [2018-11-28 10:50:35,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:50:35,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:50:35,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:50:35,328 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:50:35,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:50:35,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:50:35,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:50:35,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:50:35,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... [2018-11-28 10:50:35,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:50:35,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:50:35,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:50:35,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:50:35,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2018-11-28 10:50:35,457 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2018-11-28 10:50:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:50:35,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:50:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-28 10:50:35,457 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-28 10:50:35,550 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:50:35,550 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-28 10:50:35,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:35 BoogieIcfgContainer [2018-11-28 10:50:35,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:50:35,551 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 10:50:35,551 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 10:50:35,555 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 10:50:35,556 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:50:35,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 10:50:35" (1/3) ... [2018-11-28 10:50:35,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ca2f991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:50:35, skipping insertion in model container [2018-11-28 10:50:35,557 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:50:35,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:35" (2/3) ... [2018-11-28 10:50:35,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ca2f991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:50:35, skipping insertion in model container [2018-11-28 10:50:35,558 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:50:35,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:35" (3/3) ... [2018-11-28 10:50:35,560 INFO L375 chiAutomizerObserver]: Analyzing ICFG id2_i5_o5_true-unreach-call_true-termination.c [2018-11-28 10:50:35,623 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:50:35,624 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 10:50:35,624 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 10:50:35,624 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 10:50:35,624 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:50:35,624 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:50:35,625 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 10:50:35,625 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:50:35,625 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 10:50:35,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-11-28 10:50:35,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-28 10:50:35,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:50:35,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:50:35,674 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 10:50:35,674 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:50:35,674 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 10:50:35,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-11-28 10:50:35,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-28 10:50:35,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:50:35,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:50:35,677 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 10:50:35,677 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:50:35,684 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := 5; 11#L19true call main_#t~ret2 := id(main_~input~0);< 20#idENTRYtrue [2018-11-28 10:50:35,685 INFO L796 eck$LassoCheckResult]: Loop: 20#idENTRYtrue ~x := #in~x; 14#L8true assume !(0 == ~x); 13#L9true call #t~ret0 := id2(~x - 1);< 10#id2ENTRYtrue ~x := #in~x; 8#L13true assume !(0 == ~x); 5#L14true call #t~ret1 := id(~x - 1);< 20#idENTRYtrue [2018-11-28 10:50:35,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:35,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1272, now seen corresponding path program 1 times [2018-11-28 10:50:35,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:35,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:35,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:35,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:35,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:50:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:50:35,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:35,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1542369597, now seen corresponding path program 1 times [2018-11-28 10:50:35,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:35,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:35,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:35,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:35,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:50:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:50:35,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:35,777 INFO L82 PathProgramCache]: Analyzing trace with hash -16850700, now seen corresponding path program 1 times [2018-11-28 10:50:35,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:35,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:35,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:35,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:35,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:50:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:50:35,911 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:50:35,912 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:50:35,912 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:50:35,913 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:50:35,913 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 10:50:35,913 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:35,913 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:50:35,913 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:50:35,913 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Loop [2018-11-28 10:50:35,913 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:50:35,913 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:50:35,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:35,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:35,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:35,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:35,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:35,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:35,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:35,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,080 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:50:36,081 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,088 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,088 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,095 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,095 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,113 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,136 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 10:50:36,136 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,173 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,174 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-5} Honda state: {id_#in~x=-5} Generalized eigenvectors: [{id_#in~x=0}, {id_#in~x=0}, {id_#in~x=-2}] Lambdas: [1, 7, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,194 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,194 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,199 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,200 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,216 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,216 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,219 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,219 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,236 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,236 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,238 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,238 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,264 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,264 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,266 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,266 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,282 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,282 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,285 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,285 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,301 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,301 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,304 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,305 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-28 10:50:36,331 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:50:36,331 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:50:36,331 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:50:36,331 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:50:36,331 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 10:50:36,332 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,332 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:50:36,332 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:50:36,332 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-28 10:50:36,332 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:50:36,332 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:50:36,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,506 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:50:36,506 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,520 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,520 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,523 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,523 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,551 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,552 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,555 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,556 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,584 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,584 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,588 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,588 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,620 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,620 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,623 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:50:36,624 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=0} Honda state: {ULTIMATE.start_main_~input~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,652 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:50:36,652 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462e94a3-0b73-4d66-8ec2-380159c73c6a/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,685 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 10:50:36,686 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:50:36,735 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 10:50:36,736 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:50:36,736 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:50:36,736 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:50:36,736 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:50:36,737 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 10:50:36,737 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:50:36,737 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:50:36,737 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:50:36,737 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-28 10:50:36,737 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:50:36,737 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:50:36,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:50:36,867 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:50:36,872 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 10:50:36,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:50:36,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:50:36,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:50:36,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:50:36,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:50:36,875 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:50:36,877 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:50:36,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:50:36,880 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 10:50:36,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:50:36,881 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:50:36,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:50:36,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:50:36,882 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:50:36,882 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:50:36,882 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:50:36,883 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:50:36,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 10:50:36,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:50:36,884 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:50:36,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:50:36,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:50:36,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:50:36,885 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:50:36,885 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:50:36,885 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:50:36,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 10:50:36,887 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:50:36,888 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:50:36,888 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:50:36,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:50:36,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:50:36,889 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:50:36,889 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:50:36,889 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:50:36,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 10:50:36,890 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 10:50:36,891 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:50:36,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:50:36,891 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 10:50:36,891 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:50:36,898 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-28 10:50:36,898 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 10:50:36,974 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 10:50:36,994 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 10:50:36,994 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-28 10:50:36,996 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 10:50:37,001 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-28 10:50:37,001 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 10:50:37,002 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2018-11-28 10:50:37,006 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-28 10:50:37,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:37,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:50:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:37,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:50:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:37,230 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2018-11-28 10:50:37,231 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 8 states. [2018-11-28 10:50:37,422 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 8 states. Result 54 states and 61 transitions. Complement of second has 23 states. [2018-11-28 10:50:37,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-28 10:50:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-28 10:50:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2018-11-28 10:50:37,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-28 10:50:37,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:50:37,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2018-11-28 10:50:37,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:50:37,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 12 letters. [2018-11-28 10:50:37,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:50:37,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2018-11-28 10:50:37,432 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 10:50:37,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-11-28 10:50:37,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 10:50:37,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 10:50:37,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 10:50:37,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:50:37,436 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:50:37,436 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:50:37,436 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:50:37,436 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 10:50:37,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:50:37,436 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 10:50:37,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 10:50:37,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 10:50:37 BoogieIcfgContainer [2018-11-28 10:50:37,441 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 10:50:37,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:50:37,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:50:37,441 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:50:37,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:35" (3/4) ... [2018-11-28 10:50:37,444 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 10:50:37,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:50:37,445 INFO L168 Benchmark]: Toolchain (without parser) took 2266.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 957.6 MB in the beginning and 898.3 MB in the end (delta: 59.3 MB). Peak memory consumption was 219.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:50:37,446 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:50:37,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.98 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:50:37,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.70 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:50:37,447 INFO L168 Benchmark]: Boogie Preprocessor took 12.83 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:50:37,448 INFO L168 Benchmark]: RCFGBuilder took 186.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -200.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:50:37,448 INFO L168 Benchmark]: BuchiAutomizer took 1889.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.3 MB in the end (delta: 246.0 MB). Peak memory consumption was 246.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:50:37,449 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 898.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:50:37,451 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.98 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.70 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.83 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 186.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -200.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1889.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.3 MB in the end (delta: 246.0 MB). Peak memory consumption was 246.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 898.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 110ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...