./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cba8acfa381c990ec40e4bf9e5d202ee845a576 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:49:08,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:49:08,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:49:08,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:49:08,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:49:08,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:49:08,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:49:08,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:49:08,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:49:08,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:49:08,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:49:08,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:49:08,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:49:08,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:49:08,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:49:08,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:49:08,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:49:08,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:49:08,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:49:08,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:49:08,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:49:08,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:49:08,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:49:08,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:49:08,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:49:08,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:49:08,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:49:08,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:49:08,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:49:08,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:49:08,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:49:08,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:49:08,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:49:08,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:49:08,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:49:08,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:49:08,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:49:08,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:49:08,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:49:08,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:49:08,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:49:08,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 23:49:08,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:49:08,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:49:08,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:49:08,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:49:08,176 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:49:08,176 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 23:49:08,176 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 23:49:08,176 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 23:49:08,177 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 23:49:08,177 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 23:49:08,177 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 23:49:08,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:49:08,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:49:08,178 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 23:49:08,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:49:08,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:49:08,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:49:08,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 23:49:08,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 23:49:08,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 23:49:08,180 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:49:08,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:49:08,180 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 23:49:08,180 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:49:08,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 23:49:08,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:49:08,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:49:08,181 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 23:49:08,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:49:08,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:49:08,182 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 23:49:08,183 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 23:49:08,183 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cba8acfa381c990ec40e4bf9e5d202ee845a576 [2019-11-15 23:49:08,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:49:08,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:49:08,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:49:08,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:49:08,275 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:49:08,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/../../sv-benchmarks/c/loops/sum01-1.i [2019-11-15 23:49:08,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/data/d63c1a55d/4a1a898640eb4105addb748c69ee60c7/FLAGd501357c0 [2019-11-15 23:49:08,757 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:49:08,760 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/sv-benchmarks/c/loops/sum01-1.i [2019-11-15 23:49:08,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/data/d63c1a55d/4a1a898640eb4105addb748c69ee60c7/FLAGd501357c0 [2019-11-15 23:49:09,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/data/d63c1a55d/4a1a898640eb4105addb748c69ee60c7 [2019-11-15 23:49:09,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:49:09,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:49:09,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:49:09,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:49:09,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:49:09,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377ddfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09, skipping insertion in model container [2019-11-15 23:49:09,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:49:09,155 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:49:09,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:49:09,342 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:49:09,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:49:09,454 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:49:09,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09 WrapperNode [2019-11-15 23:49:09,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:49:09,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:49:09,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:49:09,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:49:09,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:49:09,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:49:09,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:49:09,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:49:09,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... [2019-11-15 23:49:09,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:49:09,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:49:09,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:49:09,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:49:09,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:49:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:49:09,830 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:49:09,830 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:49:09,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:49:09 BoogieIcfgContainer [2019-11-15 23:49:09,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:49:09,834 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 23:49:09,835 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 23:49:09,839 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 23:49:09,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:49:09,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 11:49:09" (1/3) ... [2019-11-15 23:49:09,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50eac791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:49:09, skipping insertion in model container [2019-11-15 23:49:09,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:49:09,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:49:09" (2/3) ... [2019-11-15 23:49:09,842 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50eac791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:49:09, skipping insertion in model container [2019-11-15 23:49:09,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:49:09,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:49:09" (3/3) ... [2019-11-15 23:49:09,845 INFO L371 chiAutomizerObserver]: Analyzing ICFG sum01-1.i [2019-11-15 23:49:09,909 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 23:49:09,909 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 23:49:09,909 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 23:49:09,909 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:49:09,909 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:49:09,909 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 23:49:09,909 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:49:09,910 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 23:49:09,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-15 23:49:09,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 23:49:09,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:49:09,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:49:09,953 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 23:49:09,953 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:49:09,953 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 23:49:09,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-15 23:49:09,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 23:49:09,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:49:09,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:49:09,955 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 23:49:09,955 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:49:09,964 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2019-11-15 23:49:09,964 INFO L793 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 10#L14true assume main_~i~0 < 10;main_~sn~0 := 2 + main_~sn~0; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2019-11-15 23:49:09,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:09,972 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 23:49:09,980 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:09,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618004604] [2019-11-15 23:49:09,980 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:09,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:09,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,088 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:49:10,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:10,089 INFO L82 PathProgramCache]: Analyzing trace with hash 38828, now seen corresponding path program 1 times [2019-11-15 23:49:10,090 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:10,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979190753] [2019-11-15 23:49:10,090 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,090 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,102 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:49:10,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:10,104 INFO L82 PathProgramCache]: Analyzing trace with hash 962349, now seen corresponding path program 1 times [2019-11-15 23:49:10,104 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:10,104 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995292032] [2019-11-15 23:49:10,105 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,105 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,134 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:49:10,217 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:49:10,218 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:49:10,218 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:49:10,219 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:49:10,219 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 23:49:10,219 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:10,219 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:49:10,220 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:49:10,220 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration1_Loop [2019-11-15 23:49:10,220 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:49:10,220 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:49:10,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:10,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:10,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:10,381 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:49:10,382 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:10,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:49:10,398 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 23:49:10,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 23:49:10,423 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:10,449 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 23:49:10,449 INFO L440 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=5}, {ULTIMATE.start_main_~sn~0=4}, {ULTIMATE.start_main_~sn~0=-7}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 23:49:10,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:49:10,469 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:10,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 23:49:10,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 23:49:10,502 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 23:49:10,504 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:49:10,504 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:49:10,504 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:49:10,504 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:49:10,504 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 23:49:10,504 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:10,505 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:49:10,505 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:49:10,505 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration1_Loop [2019-11-15 23:49:10,505 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:49:10,505 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:49:10,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:10,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:10,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:10,598 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:49:10,603 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 23:49:10,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:49:10,609 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:49:10,609 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:49:10,611 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:49:10,611 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:49:10,611 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:49:10,616 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:49:10,616 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:49:10,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:49:10,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:49:10,638 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:49:10,638 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:49:10,638 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:49:10,639 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:49:10,639 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:49:10,640 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:49:10,640 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:49:10,658 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 23:49:10,673 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 23:49:10,673 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 23:49:10,683 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 23:49:10,684 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 23:49:10,684 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 23:49:10,685 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 Supporting invariants [] [2019-11-15 23:49:10,688 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 23:49:10,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:10,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:49:10,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:10,760 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 23:49:10,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:49:10,795 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 [2019-11-15 23:49:10,797 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-11-15 23:49:10,869 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. [2019-11-15 23:49:10,872 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 [2019-11-15 23:49:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 23:49:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-11-15 23:49:10,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2019-11-15 23:49:10,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:49:10,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-15 23:49:10,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:49:10,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2019-11-15 23:49:10,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:49:10,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 43 transitions. [2019-11-15 23:49:10,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 23:49:10,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2019-11-15 23:49:10,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-15 23:49:10,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-15 23:49:10,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-11-15 23:49:10,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 23:49:10,895 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-15 23:49:10,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-11-15 23:49:10,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-11-15 23:49:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-15 23:49:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-15 23:49:10,919 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-15 23:49:10,919 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-15 23:49:10,919 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 23:49:10,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-15 23:49:10,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 23:49:10,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:49:10,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:49:10,921 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-15 23:49:10,921 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:49:10,921 INFO L791 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 85#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-11-15 23:49:10,921 INFO L793 eck$LassoCheckResult]: Loop: 81#L14 assume !(main_~i~0 < 10); 86#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 80#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-11-15 23:49:10,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:10,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-11-15 23:49:10,922 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:10,922 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693941881] [2019-11-15 23:49:10,922 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,923 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,939 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:49:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:10,940 INFO L82 PathProgramCache]: Analyzing trace with hash 43750, now seen corresponding path program 1 times [2019-11-15 23:49:10,940 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:10,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045639911] [2019-11-15 23:49:10,940 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,941 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:49:10,948 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:49:10,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:10,948 INFO L82 PathProgramCache]: Analyzing trace with hash 29834750, now seen corresponding path program 1 times [2019-11-15 23:49:10,948 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:10,949 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243540921] [2019-11-15 23:49:10,949 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,949 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:49:11,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243540921] [2019-11-15 23:49:11,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:49:11,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:49:11,006 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280205172] [2019-11-15 23:49:11,029 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:49:11,029 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:49:11,029 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:49:11,029 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:49:11,029 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 23:49:11,030 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:11,030 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:49:11,030 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:49:11,030 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration2_Loop [2019-11-15 23:49:11,030 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:49:11,030 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:49:11,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:11,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:11,077 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:49:11,077 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 23:49:11,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:49:11,090 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:11,095 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 23:49:11,095 INFO L440 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/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:11,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:49:11,113 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60220e3d-b45a-4df4-b6f3-ac2c61f18229/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:11,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 23:49:11,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 23:49:11,180 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 23:49:11,182 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:49:11,182 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:49:11,182 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:49:11,182 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:49:11,182 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 23:49:11,183 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:49:11,183 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:49:11,183 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:49:11,183 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration2_Loop [2019-11-15 23:49:11,183 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:49:11,183 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:49:11,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:11,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:49:11,231 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:49:11,231 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 23:49:11,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:49:11,232 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:49:11,232 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:49:11,232 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:49:11,233 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:49:11,233 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:49:11,233 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:49:11,234 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:49:11,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:49:11,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:49:11,236 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:49:11,236 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:49:11,236 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:49:11,236 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:49:11,236 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:49:11,237 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:49:11,237 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:49:11,243 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 23:49:11,263 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-15 23:49:11,264 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-11-15 23:49:11,264 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 23:49:11,264 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 23:49:11,265 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 23:49:11,265 INFO L512 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 [] [2019-11-15 23:49:11,265 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 23:49:11,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:11,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:49:11,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:11,317 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 23:49:11,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:49:11,334 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 [2019-11-15 23:49:11,334 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-15 23:49:11,366 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 17 states and 21 transitions. Complement of second has 6 states. [2019-11-15 23:49:11,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-15 23:49:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 23:49:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-11-15 23:49:11,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-15 23:49:11,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:49:11,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-15 23:49:11,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:49:11,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-15 23:49:11,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:49:11,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2019-11-15 23:49:11,371 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:49:11,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-11-15 23:49:11,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:49:11,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:49:11,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:49:11,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:49:11,372 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:49:11,372 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:49:11,372 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:49:11,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:49:11,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:49:11,376 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-15 23:49:11,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:11,380 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-15 23:49:11,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:49:11,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-15 23:49:11,381 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:49:11,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:49:11,381 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:49:11,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:49:11,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:49:11,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:49:11,382 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:49:11,382 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:49:11,382 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:49:11,382 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 23:49:11,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:49:11,383 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:49:11,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 23:49:11,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 11:49:11 BoogieIcfgContainer [2019-11-15 23:49:11,392 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 23:49:11,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:49:11,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:49:11,393 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:49:11,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:49:09" (3/4) ... [2019-11-15 23:49:11,398 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:49:11,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:49:11,403 INFO L168 Benchmark]: Toolchain (without parser) took 2283.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.7 MB in the beginning and 998.1 MB in the end (delta: -58.4 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:11,404 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:49:11,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:11,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:49:11,407 INFO L168 Benchmark]: Boogie Preprocessor took 20.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:49:11,408 INFO L168 Benchmark]: RCFGBuilder took 324.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:11,409 INFO L168 Benchmark]: BuchiAutomizer took 1558.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.1 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:11,416 INFO L168 Benchmark]: Witness Printer took 5.62 ms. Allocated memory is still 1.2 GB. Free memory is still 998.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:49:11,419 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 324.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1558.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.1 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.62 ms. Allocated memory is still 1.2 GB. Free memory is still 998.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 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 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf96 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...