./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/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 64bit --witnessprinter.graph.data.programhash d28857c86a3c83fc75b1b8cf8125f1c52a370911 ................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:42,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:42,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:42,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:42,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:42,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:42,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:42,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:42,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:42,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:42,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:42,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:42,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:42,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:42,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:42,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:42,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:42,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:42,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:42,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:42,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:42,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:42,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:42,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:42,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:42,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:42,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:42,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:42,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:42,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:42,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:42,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:42,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:42,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:42,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:42,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:42,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:42,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:42,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:42,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:42,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:42,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:20:42,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:42,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:42,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:42,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:42,768 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:42,768 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:20:42,768 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:20:42,768 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:20:42,769 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:20:42,769 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:20:42,770 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:20:42,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:42,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:20:42,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:42,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:42,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:20:42,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:20:42,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:20:42,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:42,772 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:20:42,772 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:42,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:20:42,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:42,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:42,773 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:20:42,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:42,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:42,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:42,774 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:20:42,775 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:20:42,775 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d28857c86a3c83fc75b1b8cf8125f1c52a370911 [2020-11-28 03:20:43,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:43,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:43,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:43,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:43,059 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:43,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2020-11-28 03:20:43,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/data/b1420206b/49ac3045c6e94ff2848e07520b953016/FLAGe89501863 [2020-11-28 03:20:43,543 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:43,544 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2020-11-28 03:20:43,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/data/b1420206b/49ac3045c6e94ff2848e07520b953016/FLAGe89501863 [2020-11-28 03:20:43,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/data/b1420206b/49ac3045c6e94ff2848e07520b953016 [2020-11-28 03:20:43,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:43,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:43,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:43,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:43,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:43,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:43" (1/1) ... [2020-11-28 03:20:43,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c711205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:43, skipping insertion in model container [2020-11-28 03:20:43,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:43" (1/1) ... [2020-11-28 03:20:43,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:43,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:44,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:44,113 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:44,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:44,161 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:44,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44 WrapperNode [2020-11-28 03:20:44,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:44,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:44,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:44,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:44,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:44,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:44,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:44,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:44,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... [2020-11-28 03:20:44,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:44,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:44,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:44,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:44,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/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 [2020-11-28 03:20:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:44,407 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:44,407 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:20:44,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:44 BoogieIcfgContainer [2020-11-28 03:20:44,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:44,410 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:20:44,410 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:20:44,414 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:20:44,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:44,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:20:43" (1/3) ... [2020-11-28 03:20:44,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@733d501b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:20:44, skipping insertion in model container [2020-11-28 03:20:44,417 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:44,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:44" (2/3) ... [2020-11-28 03:20:44,419 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@733d501b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:20:44, skipping insertion in model container [2020-11-28 03:20:44,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:44,419 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:44" (3/3) ... [2020-11-28 03:20:44,421 INFO L373 chiAutomizerObserver]: Analyzing ICFG java_LogBuiltIn.c [2020-11-28 03:20:44,470 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:20:44,470 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:20:44,470 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:20:44,471 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:44,471 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:44,471 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:20:44,471 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:44,471 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:20:44,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-28 03:20:44,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:20:44,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:44,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:44,507 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:20:44,507 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:20:44,507 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:20:44,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-28 03:20:44,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:20:44,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:44,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:44,509 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:20:44,509 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:20:44,516 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2;mlog_#in~x := main_#t~nondet1;havoc mlog_#res;havoc mlog_#t~post0, mlog_~x, mlog_~res~0;mlog_~x := mlog_#in~x;mlog_~res~0 := 0; 3#L7-2true [2020-11-28 03:20:44,516 INFO L796 eck$LassoCheckResult]: Loop: 3#L7-2true assume !!(mlog_~x > 1);mlog_~x := (if mlog_~x < 0 && 0 != mlog_~x % 2 then 1 + mlog_~x / 2 else mlog_~x / 2);mlog_#t~post0 := mlog_~res~0;mlog_~res~0 := 1 + mlog_#t~post0;havoc mlog_#t~post0; 3#L7-2true [2020-11-28 03:20:44,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:44,522 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-28 03:20:44,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:44,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998961232] [2020-11-28 03:20:44,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:44,614 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:44,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:44,648 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:44,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:44,655 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-11-28 03:20:44,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:44,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847060852] [2020-11-28 03:20:44,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:44,694 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:44,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:44,718 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:44,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:44,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-11-28 03:20:44,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:44,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684130043] [2020-11-28 03:20:44,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:44,748 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:44,762 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:44,766 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:44,891 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:20:44,892 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:20:44,892 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:20:44,892 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:20:44,893 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:20:44,893 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:44,893 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:20:44,893 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:20:44,893 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2020-11-28 03:20:44,894 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:20:44,894 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:20:44,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:44,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:44,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:45,075 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:20:45,078 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/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) [2020-11-28 03:20:45,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:20:45,088 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:45,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:20:45,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:20:45,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:20:45,161 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mlog_~res~0=0} Honda state: {ULTIMATE.start_mlog_~res~0=0} Generalized eigenvectors: [{ULTIMATE.start_mlog_~res~0=4}, {ULTIMATE.start_mlog_~res~0=-1}, {ULTIMATE.start_mlog_~res~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:45,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:20:45,187 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/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 [2020-11-28 03:20:45,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:20:45,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:20:45,262 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:20:45,264 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:20:45,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:20:45,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:20:45,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:20:45,264 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:20:45,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:45,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:20:45,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:20:45,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2020-11-28 03:20:45,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:20:45,265 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:20:45,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:45,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:45,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:45,498 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:20:45,502 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/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) [2020-11-28 03:20:45,516 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 [2020-11-28 03:20:45,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:45,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:45,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:45,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:45,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:45,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:45,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:45,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/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) [2020-11-28 03:20:45,585 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 [2020-11-28 03:20:45,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:45,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:45,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:45,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:45,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:45,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:45,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:45,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:20:45,608 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:20:45,608 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22b29450-136e-4c4a-828f-c8f900ea5977/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 [2020-11-28 03:20:45,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:20:45,640 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:20:45,640 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:20:45,641 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_mlog_~x) = 1*ULTIMATE.start_mlog_~x Supporting invariants [] [2020-11-28 03:20:45,663 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:20:45,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:45,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:45,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:45,736 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:20:45,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:45,752 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-11-28 03:20:45,753 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 2 states. [2020-11-28 03:20:45,792 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 2 states. Result 18 states and 21 transitions. Complement of second has 5 states. [2020-11-28 03:20:45,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:20:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-28 03:20:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-11-28 03:20:45,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 1 letters. [2020-11-28 03:20:45,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:45,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 1 letters. [2020-11-28 03:20:45,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:45,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2020-11-28 03:20:45,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:45,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2020-11-28 03:20:45,806 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:20:45,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2020-11-28 03:20:45,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:20:45,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:20:45,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:20:45,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:20:45,812 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:45,812 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:45,812 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:45,812 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:20:45,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:45,812 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:20:45,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:20:45,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:20:45 BoogieIcfgContainer [2020-11-28 03:20:45,819 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:20:45,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:45,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:45,820 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:45,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:44" (3/4) ... [2020-11-28 03:20:45,823 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:20:45,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:45,827 INFO L168 Benchmark]: Toolchain (without parser) took 1888.16 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 101.9 MB in the beginning and 104.8 MB in the end (delta: -2.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,829 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 48.1 MB in the beginning and 48.0 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:45,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.76 ms. Allocated memory is still 125.8 MB. Free memory was 101.9 MB in the beginning and 101.9 MB in the end (delta: 31.6 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.69 ms. Allocated memory is still 125.8 MB. Free memory was 101.9 MB in the beginning and 100.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:45,834 INFO L168 Benchmark]: Boogie Preprocessor took 18.35 ms. Allocated memory is still 125.8 MB. Free memory was 100.5 MB in the beginning and 99.7 MB in the end (delta: 775.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:45,834 INFO L168 Benchmark]: RCFGBuilder took 187.72 ms. Allocated memory is still 125.8 MB. Free memory was 99.7 MB in the beginning and 91.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,836 INFO L168 Benchmark]: BuchiAutomizer took 1409.32 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 91.6 MB in the beginning and 105.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,842 INFO L168 Benchmark]: Witness Printer took 3.97 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 104.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:45,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 48.1 MB in the beginning and 48.0 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 225.76 ms. Allocated memory is still 125.8 MB. Free memory was 101.9 MB in the beginning and 101.9 MB in the end (delta: 31.6 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.69 ms. Allocated memory is still 125.8 MB. Free memory was 101.9 MB in the beginning and 100.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.35 ms. Allocated memory is still 125.8 MB. Free memory was 100.5 MB in the beginning and 99.7 MB in the end (delta: 775.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 187.72 ms. Allocated memory is still 125.8 MB. Free memory was 99.7 MB in the beginning and 91.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1409.32 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 91.6 MB in the beginning and 105.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.97 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 104.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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, 5 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div450 bol100 ite100 ukn100 eq108 hnf46 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...