./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_01_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_01_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/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 e9fb65547f8a6daa297fc4bc1126a09cbd517dc4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 09:39:08,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:39:08,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:39:08,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:39:08,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:39:08,081 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:39:08,082 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:39:08,083 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:39:08,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:39:08,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:39:08,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:39:08,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:39:08,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:39:08,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:39:08,087 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:39:08,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:39:08,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:39:08,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:39:08,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:39:08,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:39:08,091 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:39:08,091 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:39:08,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:39:08,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:39:08,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:39:08,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:39:08,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:39:08,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:39:08,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:39:08,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:39:08,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:39:08,096 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:39:08,096 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:39:08,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:39:08,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:39:08,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:39:08,097 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 09:39:08,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:39:08,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:39:08,106 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 09:39:08,106 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 09:39:08,106 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 09:39:08,106 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 09:39:08,106 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 09:39:08,106 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 09:39:08,106 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 09:39:08,107 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 09:39:08,107 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 09:39:08,107 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:39:08,107 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:39:08,107 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 09:39:08,107 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:39:08,107 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:39:08,107 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:39:08,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 09:39:08,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 09:39:08,108 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 09:39:08,108 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:39:08,108 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:39:08,108 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 09:39:08,108 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:39:08,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 09:39:08,109 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:39:08,109 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 09:39:08,109 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 09:39:08,109 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:39:08,109 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 09:39:08,109 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 09:39:08,110 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 09:39:08,110 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_a4e61b2c-a525-41a8-8734-80d29599252f/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 -> e9fb65547f8a6daa297fc4bc1126a09cbd517dc4 [2018-12-02 09:39:08,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:39:08,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:39:08,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:39:08,136 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:39:08,137 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:39:08,137 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/../../sv-benchmarks/c/loops/terminator_01_false-unreach-call_true-termination.i [2018-12-02 09:39:08,172 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/data/1136e8804/305626422d524ee2ba47b1aa12ac311f/FLAG14dc72345 [2018-12-02 09:39:08,582 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:39:08,582 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/sv-benchmarks/c/loops/terminator_01_false-unreach-call_true-termination.i [2018-12-02 09:39:08,586 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/data/1136e8804/305626422d524ee2ba47b1aa12ac311f/FLAG14dc72345 [2018-12-02 09:39:08,595 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/bin-2019/uautomizer/data/1136e8804/305626422d524ee2ba47b1aa12ac311f [2018-12-02 09:39:08,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:39:08,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:39:08,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:39:08,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:39:08,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:39:08,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5663953f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08, skipping insertion in model container [2018-12-02 09:39:08,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:39:08,621 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:39:08,706 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:39:08,712 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:39:08,720 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:39:08,729 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:39:08,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08 WrapperNode [2018-12-02 09:39:08,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:39:08,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:39:08,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:39:08,730 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:39:08,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:39:08,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:39:08,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:39:08,758 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:39:08,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... [2018-12-02 09:39:08,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:39:08,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:39:08,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:39:08,800 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:39:08,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4e61b2c-a525-41a8-8734-80d29599252f/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 [2018-12-02 09:39:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 09:39:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:39:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:39:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:39:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 09:39:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 09:39:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 09:39:08,923 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:39:08,923 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 09:39:08,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:39:08 BoogieIcfgContainer [2018-12-02 09:39:08,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:39:08,924 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 09:39:08,924 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 09:39:08,926 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 09:39:08,927 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 09:39:08,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 09:39:08" (1/3) ... [2018-12-02 09:39:08,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d236b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 09:39:08, skipping insertion in model container [2018-12-02 09:39:08,928 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 09:39:08,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:08" (2/3) ... [2018-12-02 09:39:08,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d236b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 09:39:08, skipping insertion in model container [2018-12-02 09:39:08,928 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 09:39:08,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:39:08" (3/3) ... [2018-12-02 09:39:08,929 INFO L375 chiAutomizerObserver]: Analyzing ICFG terminator_01_false-unreach-call_true-termination.i [2018-12-02 09:39:08,962 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 09:39:08,962 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 09:39:08,962 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 09:39:08,962 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 09:39:08,963 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 09:39:08,963 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 09:39:08,963 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 09:39:08,963 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 09:39:08,963 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 09:39:08,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-12-02 09:39:08,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 09:39:08,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 09:39:08,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 09:39:08,988 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-02 09:39:08,988 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 09:39:08,988 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 09:39:08,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-12-02 09:39:08,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 09:39:08,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 09:39:08,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 09:39:08,989 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-02 09:39:08,989 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 09:39:08,994 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~post3, main_#t~mem1, main_~#x~0.base, main_~#x~0.offset, main_~p~0.base, main_~p~0.offset;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.alloc(4);call write~init~int(main_#t~nondet0, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~nondet0;main_~p~0.base, main_~p~0.offset := main_~#x~0.base, main_~#x~0.offset; 11#L16-3true [2018-12-02 09:39:08,994 INFO L796 eck$LassoCheckResult]: Loop: 11#L16-3true call main_#t~mem1 := read~int(main_~#x~0.base, main_~#x~0.offset, 4); 4#L16-1true assume !!(main_#t~mem1 < 100);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post3 := main_#t~mem2;call write~int(1 + main_#t~post3, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem2;havoc main_#t~post3; 11#L16-3true [2018-12-02 09:39:08,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:08,998 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-12-02 09:39:08,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:39:08,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:39:09,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:09,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:09,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:39:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:39:09,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:09,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-12-02 09:39:09,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:39:09,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:39:09,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:09,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:09,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:39:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:39:09,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:09,080 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-12-02 09:39:09,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:39:09,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:39:09,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:09,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:39:09,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:39:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:39:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:39:09,192 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 09:39:09,193 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 09:39:09,193 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 09:39:09,193 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 09:39:09,193 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 09:39:09,193 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 09:39:09,193 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 09:39:09,193 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 09:39:09,194 INFO L131 ssoRankerPreferences]: Filename of dumped script: terminator_01_false-unreach-call_true-termination.i_Iteration1_Lasso [2018-12-02 09:39:09,194 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 09:39:09,194 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 09:39:09,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 09:39:09,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 09:39:09,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 09:39:09,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 09:39:09,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 09:39:09,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 09:39:09,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 09:39:09,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 09:39:09,419 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 09:39:09,422 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 09:39:09,423 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 [2018-12-02 09:39:09,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,424 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 09:39:09,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,424 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,425 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 09:39:09,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 09:39:09,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,427 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 [2018-12-02 09:39:09,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 09:39:09,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,428 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,428 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 09:39:09,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 09:39:09,429 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,429 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 [2018-12-02 09:39:09,430 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,430 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,430 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,433 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 09:39:09,433 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 09:39:09,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,436 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 [2018-12-02 09:39:09,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,437 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 09:39:09,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,437 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,437 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 09:39:09,437 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 09:39:09,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,438 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 [2018-12-02 09:39:09,438 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 09:39:09,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,439 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,439 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 09:39:09,439 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 09:39:09,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,440 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 [2018-12-02 09:39:09,440 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,441 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,442 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 09:39:09,442 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 09:39:09,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,446 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 [2018-12-02 09:39:09,446 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,447 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,448 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 09:39:09,448 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 09:39:09,461 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,462 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 [2018-12-02 09:39:09,462 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,463 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-02 09:39:09,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,463 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,464 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 09:39:09,464 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 09:39:09,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,476 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 [2018-12-02 09:39:09,476 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,477 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,479 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 09:39:09,479 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 09:39:09,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,493 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 [2018-12-02 09:39:09,493 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,493 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,494 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 09:39:09,494 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 09:39:09,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 09:39:09,497 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 [2018-12-02 09:39:09,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 09:39:09,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 09:39:09,498 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 09:39:09,498 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 09:39:09,499 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 09:39:09,499 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 09:39:09,518 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 09:39:09,524 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 09:39:09,524 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 09:39:09,526 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 09:39:09,527 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-02 09:39:09,527 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 09:39:09,527 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 199 Supporting invariants [] [2018-12-02 09:39:09,543 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2018-12-02 09:39:09,550 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 09:39:09,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:39:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:09,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:39:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:39:09,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:39:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:39:09,608 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 [2018-12-02 09:39:09,609 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-12-02 09:39:09,648 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 8 states. [2018-12-02 09:39:09,648 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 [2018-12-02 09:39:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-02 09:39:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2018-12-02 09:39:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2018-12-02 09:39:09,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 09:39:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2018-12-02 09:39:09,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 09:39:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2018-12-02 09:39:09,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 09:39:09,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2018-12-02 09:39:09,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 09:39:09,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2018-12-02 09:39:09,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 09:39:09,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 09:39:09,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 09:39:09,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 09:39:09,656 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 09:39:09,656 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 09:39:09,656 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 09:39:09,656 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 09:39:09,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-02 09:39:09,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 09:39:09,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-02 09:39:09,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 09:39:09 BoogieIcfgContainer [2018-12-02 09:39:09,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 09:39:09,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:39:09,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:39:09,660 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:39:09,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:39:08" (3/4) ... [2018-12-02 09:39:09,663 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 09:39:09,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:39:09,663 INFO L168 Benchmark]: Toolchain (without parser) took 1065.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 956.0 MB in the beginning and 936.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:39:09,664 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:39:09,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.33 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:39:09,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:39:09,665 INFO L168 Benchmark]: Boogie Preprocessor took 41.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-02 09:39:09,666 INFO L168 Benchmark]: RCFGBuilder took 123.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:39:09,666 INFO L168 Benchmark]: BuchiAutomizer took 736.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 936.6 MB in the end (delta: 132.0 MB). Peak memory consumption was 132.0 MB. Max. memory is 11.5 GB. [2018-12-02 09:39:09,666 INFO L168 Benchmark]: Witness Printer took 2.63 ms. Allocated memory is still 1.1 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:39:09,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.33 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 123.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 736.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 936.6 MB in the end (delta: 132.0 MB). Peak memory consumption was 132.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.63 ms. Allocated memory is still 1.1 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 -2 * unknown-#memory_int-unknown[p][p] + 199 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 5 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital98 mio100 ax100 hnf100 lsp93 ukn78 mio100 lsp38 div100 bol100 ite100 ukn100 eq185 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...