./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 0.1.25-f470102 [2019-12-07 17:22:25,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:22:25,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:22:25,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:22:25,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:22:25,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:22:25,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:22:25,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:22:25,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:22:25,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:22:25,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:22:25,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:22:25,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:22:25,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:22:25,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:22:25,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:22:25,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:22:25,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:22:25,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:22:25,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:22:25,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:22:25,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:22:25,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:22:25,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:22:25,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:22:25,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:22:25,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:22:25,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:22:25,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:22:25,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:22:25,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:22:25,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:22:25,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:22:25,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:22:25,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:22:25,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:22:25,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:22:25,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:22:25,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:22:25,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:22:25,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:22:25,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:22:25,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:22:25,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:22:25,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:22:25,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:22:25,886 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:22:25,886 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:22:25,886 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:22:25,886 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:22:25,886 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:22:25,886 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:22:25,886 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:22:25,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:22:25,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:22:25,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:22:25,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:22:25,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:22:25,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:22:25,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:22:25,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:22:25,887 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:22:25,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:22:25,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:22:25,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:22:25,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:22:25,888 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:22:25,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:22:25,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:22:25,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:22:25,888 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:22:25,889 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:22:25,889 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_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 [2019-12-07 17:22:25,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:22:25,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:22:26,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:22:26,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:22:26,001 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:22:26,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2019-12-07 17:22:26,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/data/5cce6fdae/9d696503b02b40c69b6d220f5452b2b8/FLAG5443e09ef [2019-12-07 17:22:26,437 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:22:26,437 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2019-12-07 17:22:26,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/data/5cce6fdae/9d696503b02b40c69b6d220f5452b2b8/FLAG5443e09ef [2019-12-07 17:22:26,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/bin/uautomizer/data/5cce6fdae/9d696503b02b40c69b6d220f5452b2b8 [2019-12-07 17:22:26,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:22:26,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:22:26,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:22:26,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:22:26,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:22:26,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446e037f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26, skipping insertion in model container [2019-12-07 17:22:26,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:22:26,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:22:26,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:22:26,570 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:22:26,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:22:26,622 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:22:26,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26 WrapperNode [2019-12-07 17:22:26,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:22:26,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:22:26,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:22:26,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:22:26,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:22:26,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:22:26,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:22:26,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:22:26,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... [2019-12-07 17:22:26,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:22:26,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:22:26,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:22:26,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:22:26,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 [2019-12-07 17:22:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:22:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:22:26,795 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:22:26,795 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:22:26,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:26 BoogieIcfgContainer [2019-12-07 17:22:26,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:22:26,796 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:22:26,796 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:22:26,798 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:22:26,799 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:26,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:22:26" (1/3) ... [2019-12-07 17:22:26,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62604a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:22:26, skipping insertion in model container [2019-12-07 17:22:26,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:26,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:26" (2/3) ... [2019-12-07 17:22:26,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62604a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:22:26, skipping insertion in model container [2019-12-07 17:22:26,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:26,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:26" (3/3) ... [2019-12-07 17:22:26,801 INFO L371 chiAutomizerObserver]: Analyzing ICFG java_LogBuiltIn.c [2019-12-07 17:22:26,832 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:22:26,832 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:22:26,832 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:22:26,832 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:22:26,833 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:22:26,833 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:22:26,833 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:22:26,833 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:22:26,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-12-07 17:22:26,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 17:22:26,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:26,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:26,858 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 17:22:26,858 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 17:22:26,858 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:22:26,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-12-07 17:22:26,858 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 17:22:26,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:26,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:26,859 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 17:22:26,859 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 17:22:26,863 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2;mlog_#in~x := main_#t~nondet1;havoc mlog_#res;havoc mlog_#t~post0, mlog_~x, mlog_~res~0;mlog_~x := mlog_#in~x;mlog_~res~0 := 0; 3#L7-2true [2019-12-07 17:22:26,864 INFO L796 eck$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 [2019-12-07 17:22:26,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:26,867 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 17:22:26,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:26,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210212538] [2019-12-07 17:22:26,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:26,934 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:26,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:26,935 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 17:22:26,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:26,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76813264] [2019-12-07 17:22:26,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:26,959 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:26,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:26,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 17:22:26,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:26,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703323669] [2019-12-07 17:22:26,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:26,976 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:27,012 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:27,013 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:27,013 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:27,013 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:27,013 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:22:27,013 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:27,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:27,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:27,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2019-12-07 17:22:27,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:27,014 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:27,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:27,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:27,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:27,134 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:27,135 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 [2019-12-07 17:22:27,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:27,140 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 [2019-12-07 17:22:27,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:27,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:27,165 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:27,166 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=3}, {ULTIMATE.start_mlog_~res~0=-6}] Lambdas: [1, 3, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 [2019-12-07 17:22:27,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:27,170 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 [2019-12-07 17:22:27,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:27,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:27,208 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:22:27,209 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:27,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:27,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:27,210 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:27,210 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:22:27,210 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:27,210 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:27,210 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:27,210 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2019-12-07 17:22:27,210 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:27,210 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:27,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:27,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:27,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:27,277 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:27,281 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:27,285 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 [2019-12-07 17:22:27,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:27,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:27,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:27,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:27,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:27,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:27,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:27,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 [2019-12-07 17:22:27,296 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 [2019-12-07 17:22:27,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:27,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:27,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:27,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:27,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:27,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:27,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:27,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:22:27,305 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:22:27,305 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_16a52fb7-11f0-4c47-a33d-c2dff7ae5896/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 [2019-12-07 17:22:27,309 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:22:27,309 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:22:27,309 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:22:27,309 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_mlog_~x) = 1*ULTIMATE.start_mlog_~x Supporting invariants [] [2019-12-07 17:22:27,312 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:22:27,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:27,336 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:27,337 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:27,346 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:27,346 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:27,361 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 [2019-12-07 17:22:27,361 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 2 states. [2019-12-07 17:22:27,385 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 2 states. Result 18 states and 21 transitions. Complement of second has 5 states. [2019-12-07 17:22:27,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 17:22:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-12-07 17:22:27,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 1 letters. [2019-12-07 17:22:27,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:27,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 1 letters. [2019-12-07 17:22:27,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:27,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2019-12-07 17:22:27,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:27,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-12-07 17:22:27,391 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:22:27,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-12-07 17:22:27,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:22:27,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:22:27,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:22:27,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:22:27,394 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:27,394 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:27,394 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:27,394 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:22:27,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:22:27,394 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:22:27,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:22:27,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:22:27 BoogieIcfgContainer [2019-12-07 17:22:27,398 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:22:27,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:22:27,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:22:27,399 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:22:27,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:26" (3/4) ... [2019-12-07 17:22:27,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:22:27,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:22:27,403 INFO L168 Benchmark]: Toolchain (without parser) took 950.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 943.6 MB in the beginning and 985.3 MB in the end (delta: -41.7 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:27,403 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:27,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:27,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:27,405 INFO L168 Benchmark]: Boogie Preprocessor took 11.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:27,405 INFO L168 Benchmark]: RCFGBuilder took 140.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:27,405 INFO L168 Benchmark]: BuchiAutomizer took 602.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.3 MB in the end (delta: 88.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:27,406 INFO L168 Benchmark]: Witness Printer took 2.87 ms. Allocated memory is still 1.1 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:27,408 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 140.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 602.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.3 MB in the end (delta: 88.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.87 ms. Allocated memory is still 1.1 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 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: inital31 mio100 ax100 hnf100 lsp83 ukn100 mio100 lsp100 div369 bol100 ite112 ukn100 eq131 hnf56 smp42 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...