./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i --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_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 1b149b3cef099476d14a8b122afb66552d0406eb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:03:24,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:03:24,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:03:24,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:03:24,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:03:24,196 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:03:24,197 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:03:24,198 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:03:24,199 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:03:24,200 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:03:24,201 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:03:24,201 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:03:24,202 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:03:24,202 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:03:24,203 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:03:24,203 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:03:24,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:03:24,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:03:24,206 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:03:24,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:03:24,207 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:03:24,208 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:03:24,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:03:24,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:03:24,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:03:24,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:03:24,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:03:24,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:03:24,211 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:03:24,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:03:24,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:03:24,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:03:24,213 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:03:24,213 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:03:24,214 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:03:24,214 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:03:24,214 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 13:03:24,222 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:03:24,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:03:24,223 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:03:24,223 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:03:24,224 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:03:24,224 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:03:24,224 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:03:24,224 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:03:24,224 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:03:24,224 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:03:24,224 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:03:24,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:03:24,225 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:03:24,225 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:03:24,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:03:24,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:03:24,225 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:03:24,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:03:24,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:03:24,226 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:03:24,226 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:03:24,226 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:03:24,226 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:03:24,226 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:03:24,227 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:03:24,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:03:24,227 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:03:24,227 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:03:24,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:03:24,227 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:03:24,228 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:03:24,228 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:03:24,228 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_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 -> 1b149b3cef099476d14a8b122afb66552d0406eb [2018-11-28 13:03:24,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:03:24,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:03:24,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:03:24,265 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:03:24,266 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:03:24,266 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-11-28 13:03:24,314 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/data/412d384f3/085b295a3c5f4c379fa96a3b24a14b6f/FLAGeaf0f58d2 [2018-11-28 13:03:24,620 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:03:24,621 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-11-28 13:03:24,624 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/data/412d384f3/085b295a3c5f4c379fa96a3b24a14b6f/FLAGeaf0f58d2 [2018-11-28 13:03:24,634 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/bin-2019/uautomizer/data/412d384f3/085b295a3c5f4c379fa96a3b24a14b6f [2018-11-28 13:03:24,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:03:24,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:03:24,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:03:24,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:03:24,640 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:03:24,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a39b0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24, skipping insertion in model container [2018-11-28 13:03:24,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:03:24,658 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:03:24,747 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:03:24,750 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:03:24,760 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:03:24,769 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:03:24,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24 WrapperNode [2018-11-28 13:03:24,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:03:24,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:03:24,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:03:24,770 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:03:24,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:03:24,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:03:24,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:03:24,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:03:24,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... [2018-11-28 13:03:24,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:03:24,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:03:24,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:03:24,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:03:24,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:03:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:03:25,009 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:03:25,010 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 13:03:25,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:25 BoogieIcfgContainer [2018-11-28 13:03:25,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:03:25,010 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:03:25,010 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:03:25,014 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:03:25,014 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:03:25,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:03:24" (1/3) ... [2018-11-28 13:03:25,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23841b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:03:25, skipping insertion in model container [2018-11-28 13:03:25,016 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:03:25,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24" (2/3) ... [2018-11-28 13:03:25,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23841b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:03:25, skipping insertion in model container [2018-11-28 13:03:25,016 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:03:25,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:25" (3/3) ... [2018-11-28 13:03:25,018 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-11-28 13:03:25,074 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:03:25,074 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:03:25,075 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:03:25,075 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:03:25,075 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:03:25,075 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:03:25,075 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:03:25,075 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:03:25,075 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:03:25,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-28 13:03:25,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:03:25,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:03:25,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:03:25,111 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:03:25,111 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:03:25,112 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:03:25,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-28 13:03:25,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:03:25,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:03:25,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:03:25,113 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:03:25,113 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:03:25,121 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 4#L13-3true [2018-11-28 13:03:25,121 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-3true assume !!(main_~i~0 <= main_~n~0);main_~sn~0 := 2 + main_~sn~0; 3#L15true assume 4 == main_~i~0;main_~sn~0 := -10; 7#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 4#L13-3true [2018-11-28 13:03:25,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:25,125 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 13:03:25,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:25,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:25,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:25,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:25,216 INFO L82 PathProgramCache]: Analyzing trace with hash 38828, now seen corresponding path program 1 times [2018-11-28 13:03:25,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:25,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:25,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:25,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:25,227 INFO L82 PathProgramCache]: Analyzing trace with hash 962349, now seen corresponding path program 1 times [2018-11-28 13:03:25,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:25,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:25,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:25,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:25,271 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 13:03:25,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:25,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:03:25,313 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:03:25,314 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:03:25,314 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:03:25,314 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:03:25,314 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:03:25,314 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:03:25,315 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:03:25,315 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:03:25,315 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 13:03:25,315 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:03:25,315 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:03:25,328 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 13:03:25,334 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 13:03:25,355 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 13:03:25,406 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:03:25,407 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:25,411 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:03:25,411 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:03:25,420 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:03:25,421 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=-10} Honda state: {ULTIMATE.start_main_~sn~0=-10} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:25,436 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:03:25,437 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:25,464 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:03:25,464 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:03:25,469 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:03:25,482 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:03:25,482 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:03:25,482 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:03:25,483 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:03:25,483 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:03:25,483 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:03:25,483 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:03:25,483 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:03:25,483 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 13:03:25,483 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:03:25,483 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:03:25,484 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 13:03:25,494 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 13:03:25,506 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 13:03:25,556 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:03:25,559 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:03:25,560 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 13:03:25,561 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:03:25,561 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:03:25,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:03:25,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:03:25,562 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:03:25,564 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:03:25,564 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:03:25,568 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:03:25,569 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 13:03:25,569 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:03:25,569 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:03:25,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:03:25,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:03:25,570 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:03:25,571 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:03:25,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:03:25,576 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:03:25,582 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 13:03:25,582 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 13:03:25,583 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:03:25,583 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 13:03:25,584 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:03:25,584 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 9 Supporting invariants [] [2018-11-28 13:03:25,585 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 13:03:25,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:25,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:03:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:25,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:03:25,648 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 13:03:25,660 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 13:03:25,661 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2018-11-28 13:03:25,697 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 31 states and 43 transitions. Complement of second has 7 states. [2018-11-28 13:03:25,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 13:03:25,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 13:03:25,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2018-11-28 13:03:25,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2018-11-28 13:03:25,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:03:25,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-28 13:03:25,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:03:25,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2018-11-28 13:03:25,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:03:25,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 43 transitions. [2018-11-28 13:03:25,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:03:25,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2018-11-28 13:03:25,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-11-28 13:03:25,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2018-11-28 13:03:25,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2018-11-28 13:03:25,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 13:03:25,709 INFO L705 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2018-11-28 13:03:25,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2018-11-28 13:03:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2018-11-28 13:03:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-28 13:03:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2018-11-28 13:03:25,726 INFO L728 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2018-11-28 13:03:25,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:03:25,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:03:25,729 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand 3 states. [2018-11-28 13:03:25,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:25,755 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2018-11-28 13:03:25,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:03:25,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2018-11-28 13:03:25,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:03:25,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2018-11-28 13:03:25,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2018-11-28 13:03:25,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-11-28 13:03:25,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2018-11-28 13:03:25,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 13:03:25,758 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2018-11-28 13:03:25,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2018-11-28 13:03:25,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2018-11-28 13:03:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-28 13:03:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2018-11-28 13:03:25,763 INFO L728 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2018-11-28 13:03:25,763 INFO L608 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2018-11-28 13:03:25,763 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:03:25,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2018-11-28 13:03:25,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:03:25,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:03:25,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:03:25,764 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 13:03:25,764 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:03:25,764 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 113#L13-3 assume !!(main_~i~0 <= main_~n~0);main_~sn~0 := 2 + main_~sn~0; 105#L15 [2018-11-28 13:03:25,764 INFO L796 eck$LassoCheckResult]: Loop: 105#L15 assume !(4 == main_~i~0); 106#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 109#L13-3 assume !!(main_~i~0 <= main_~n~0);main_~sn~0 := 2 + main_~sn~0; 105#L15 [2018-11-28 13:03:25,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:25,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2018-11-28 13:03:25,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:25,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:25,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:25,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:25,778 INFO L82 PathProgramCache]: Analyzing trace with hash 43750, now seen corresponding path program 1 times [2018-11-28 13:03:25,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:25,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:25,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:25,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:25,786 INFO L82 PathProgramCache]: Analyzing trace with hash 29834750, now seen corresponding path program 1 times [2018-11-28 13:03:25,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:25,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:25,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:25,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:25,820 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:03:25,820 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:03:25,820 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:03:25,820 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:03:25,820 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:03:25,820 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:03:25,820 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:03:25,820 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:03:25,820 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i_Iteration2_Loop [2018-11-28 13:03:25,820 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:03:25,821 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:03:25,822 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 13:03:25,824 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 13:03:25,825 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 13:03:25,865 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:03:25,865 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:25,867 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:03:25,867 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:25,885 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:03:25,885 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:03:25,900 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:03:25,900 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=-2}, {ULTIMATE.start_main_~sn~0=6}, {ULTIMATE.start_main_~sn~0=-2}] Lambdas: [4, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:25,925 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:03:25,925 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:03:25,927 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:03:25,928 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:25,953 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:03:25,953 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb456fe3-654b-4dbe-a625-9c0b2cec08cd/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 13:03:25,977 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:03:25,977 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:03:26,053 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:03:26,055 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:03:26,055 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:03:26,055 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:03:26,055 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:03:26,055 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:03:26,055 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:03:26,055 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:03:26,055 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:03:26,055 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i_Iteration2_Loop [2018-11-28 13:03:26,055 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:03:26,056 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:03:26,056 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 13:03:26,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:03:26,061 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 13:03:26,160 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:03:26,160 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:03:26,161 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 13:03:26,161 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:03:26,161 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:03:26,162 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:03:26,162 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:03:26,162 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:03:26,162 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:03:26,163 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:03:26,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:03:26,166 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 13:03:26,167 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:03:26,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:03:26,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:03:26,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:03:26,168 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:03:26,168 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:03:26,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:03:26,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:03:26,170 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 13:03:26,170 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:03:26,170 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:03:26,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:03:26,171 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:03:26,171 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:03:26,172 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:03:26,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:03:26,179 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:03:26,187 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 13:03:26,188 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 13:03:26,188 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:03:26,188 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 13:03:26,189 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:03:26,189 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-11-28 13:03:26,189 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 13:03:26,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:26,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:03:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:26,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:03:26,228 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 13:03:26,228 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 13:03:26,229 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 4 states. [2018-11-28 13:03:26,250 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 18 states and 23 transitions. Complement of second has 6 states. [2018-11-28 13:03:26,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 13:03:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 13:03:26,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2018-11-28 13:03:26,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-28 13:03:26,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:03:26,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-28 13:03:26,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:03:26,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-28 13:03:26,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:03:26,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2018-11-28 13:03:26,253 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:03:26,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2018-11-28 13:03:26,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:03:26,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:03:26,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:03:26,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:03:26,253 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:03:26,254 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:03:26,254 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:03:26,254 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 13:03:26,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:03:26,254 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:03:26,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 13:03:26,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:03:26 BoogieIcfgContainer [2018-11-28 13:03:26,260 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:03:26,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:03:26,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:03:26,261 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:03:26,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:25" (3/4) ... [2018-11-28 13:03:26,265 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:03:26,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:03:26,266 INFO L168 Benchmark]: Toolchain (without parser) took 1629.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 976.3 MB in the end (delta: -24.1 MB). Peak memory consumption was 119.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:26,268 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:03:26,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:26,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.58 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:03:26,270 INFO L168 Benchmark]: Boogie Preprocessor took 16.72 ms. Allocated memory is still 1.0 GB. Free memory was 941.4 MB in the beginning and 938.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:26,270 INFO L168 Benchmark]: RCFGBuilder took 194.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:26,271 INFO L168 Benchmark]: BuchiAutomizer took 1250.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.8 MB in the end (delta: 144.0 MB). Peak memory consumption was 144.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:26,272 INFO L168 Benchmark]: Witness Printer took 4.62 ms. Allocated memory is still 1.2 GB. Free memory was 979.8 MB in the beginning and 976.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:26,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 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 28.58 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.72 ms. Allocated memory is still 1.0 GB. Free memory was 941.4 MB in the beginning and 938.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 194.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1250.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.8 MB in the end (delta: 144.0 MB). Peak memory consumption was 144.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.62 ms. Allocated memory is still 1.2 GB. Free memory was 979.8 MB in the beginning and 976.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 9 and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 12 SDslu, 10 SDs, 0 SdLazy, 30 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf106 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq174 hnf93 smp100 dnf132 smp100 tf107 neg97 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 19ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...