./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.25-8bd4bc6 [2020-07-29 01:29:31,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:29:31,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:29:31,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:29:31,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:29:31,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:29:31,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:29:31,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:29:31,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:29:31,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:29:31,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:29:31,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:29:31,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:29:31,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:29:31,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:29:31,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:29:31,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:29:31,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:29:31,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:29:31,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:29:31,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:29:31,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:29:31,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:29:31,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:29:31,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:29:31,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:29:31,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:29:31,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:29:31,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:29:31,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:29:31,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:29:31,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:29:31,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:29:31,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:29:31,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:29:31,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:29:31,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:29:31,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:29:31,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:29:31,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:29:31,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:29:31,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:29:31,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:29:31,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:29:31,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:29:31,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:29:31,186 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:29:31,187 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:29:31,187 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:29:31,187 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:29:31,187 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:29:31,188 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:29:31,188 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:29:31,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:29:31,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:29:31,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:29:31,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:29:31,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:29:31,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:29:31,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:29:31,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:29:31,190 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:29:31,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:29:31,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:29:31,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:29:31,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:29:31,191 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:29:31,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:29:31,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:29:31,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:29:31,192 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:29:31,193 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:29:31,193 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2020-07-29 01:29:31,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:29:31,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:29:31,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:29:31,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:29:31,512 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:29:31,513 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2020-07-29 01:29:31,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb88a04d/1c9f19e54a4b4112aa23bb77633f49a6/FLAGaf5e219c4 [2020-07-29 01:29:32,050 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:29:32,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2020-07-29 01:29:32,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb88a04d/1c9f19e54a4b4112aa23bb77633f49a6/FLAGaf5e219c4 [2020-07-29 01:29:32,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb88a04d/1c9f19e54a4b4112aa23bb77633f49a6 [2020-07-29 01:29:32,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:29:32,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:29:32,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:29:32,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:29:32,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:29:32,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625c0da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32, skipping insertion in model container [2020-07-29 01:29:32,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:29:32,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:29:32,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:29:32,644 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:29:32,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:29:32,688 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:29:32,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32 WrapperNode [2020-07-29 01:29:32,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:29:32,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:29:32,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:29:32,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:29:32,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:29:32,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:29:32,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:29:32,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:29:32,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... [2020-07-29 01:29:32,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:29:32,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:29:32,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:29:32,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:29:32,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:29:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:29:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:29:33,068 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:29:33,068 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:29:33,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:33 BoogieIcfgContainer [2020-07-29 01:29:33,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:29:33,073 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:29:33,073 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:29:33,080 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:29:33,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:33,081 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:29:32" (1/3) ... [2020-07-29 01:29:33,082 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3742ab1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:33, skipping insertion in model container [2020-07-29 01:29:33,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:33,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:32" (2/3) ... [2020-07-29 01:29:33,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3742ab1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:33, skipping insertion in model container [2020-07-29 01:29:33,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:33,085 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:33" (3/3) ... [2020-07-29 01:29:33,087 INFO L371 chiAutomizerObserver]: Analyzing ICFG java_LogBuiltIn.c [2020-07-29 01:29:33,145 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:29:33,145 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:29:33,146 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:29:33,146 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:29:33,146 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:29:33,146 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:29:33,147 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:29:33,147 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:29:33,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-29 01:29:33,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:33,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:33,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:33,196 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:29:33,196 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:29:33,196 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:29:33,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-29 01:29:33,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:33,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:33,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:33,199 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:29:33,200 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:29:33,208 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2;mlog_#in~x := main_#t~nondet1;havoc mlog_#res;havoc mlog_#t~post0, mlog_~x, mlog_~res~0;mlog_~x := mlog_#in~x;mlog_~res~0 := 0; 3#L7-2true [2020-07-29 01:29:33,209 INFO L796 eck$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 [2020-07-29 01:29:33,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:33,215 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 01:29:33,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:33,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241563412] [2020-07-29 01:29:33,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:33,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:33,302 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:33,319 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:33,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:33,321 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-07-29 01:29:33,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:33,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870764501] [2020-07-29 01:29:33,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:33,346 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:33,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:33,358 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:33,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:33,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-07-29 01:29:33,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:33,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669174565] [2020-07-29 01:29:33,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:33,371 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:33,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:33,383 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:33,490 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:33,491 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:33,491 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:33,491 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:33,491 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:33,491 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:33,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:33,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:33,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2020-07-29 01:29:33,492 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:33,492 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:33,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:33,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:33,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:33,788 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:33,789 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:33,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:33,795 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:29:33,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:33,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:33,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:33,864 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=-1}, {ULTIMATE.start_mlog_~res~0=7}, {ULTIMATE.start_mlog_~res~0=-5}] Lambdas: [8, 1, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:29:33,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:33,888 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:33,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:33,931 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:33,979 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:33,981 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:33,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:33,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:33,982 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:33,982 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:33,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:33,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:33,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:33,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2020-07-29 01:29:33,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:33,983 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:33,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:34,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:34,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:34,173 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:34,180 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:34,194 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 [2020-07-29 01:29:34,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:34,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:34,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:34,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:34,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:34,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:34,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:34,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:29:34,251 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 [2020-07-29 01:29:34,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:34,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:34,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:34,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:34,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:34,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:34,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:34,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:34,269 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 01:29:34,269 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:34,276 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:34,277 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:34,277 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:34,278 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_mlog_~x) = 1*ULTIMATE.start_mlog_~x Supporting invariants [] Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:34,316 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:34,320 INFO L393 LassoCheck]: Loop: "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;" [2020-07-29 01:29:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:34,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:34,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:34,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:34,389 INFO L280 TraceCheckUtils]: 0: Hoare triple {17#unseeded} 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; {17#unseeded} is VALID [2020-07-29 01:29:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:34,397 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:34,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:34,404 INFO L280 TraceCheckUtils]: 0: Hoare triple {20#(>= oldRank0 ULTIMATE.start_mlog_~x)} 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; {30#(or (and (>= oldRank0 0) (> oldRank0 ULTIMATE.start_mlog_~x)) unseeded)} is VALID [2020-07-29 01:29:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:34,415 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:29:34,431 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:34,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,444 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 [2020-07-29 01:29:34,446 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 2 states. [2020-07-29 01:29:34,524 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. [2020-07-29 01:29:34,525 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 [2020-07-29 01:29:34,525 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:34,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-29 01:29:34,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:34,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:34,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:34,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:29:34,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:29:34,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:34,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:34,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2020-07-29 01:29:34,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:34,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:34,546 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 7 states. [2020-07-29 01:29:34,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:34,549 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:34,550 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:29:34,554 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:29:34,555 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:29:34,555 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 18 states and 21 transitions. cyclomatic complexity: 4 [2020-07-29 01:29:34,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. cyclomatic complexity: 4 [2020-07-29 01:29:34,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:34,555 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:29:34,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 18 letters. Loop has 18 letters. [2020-07-29 01:29:34,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 18 letters. Loop has 18 letters. [2020-07-29 01:29:34,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 4 Stem has 18 letters. Loop has 18 letters. [2020-07-29 01:29:34,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 7 letters. Loop has 7 letters. [2020-07-29 01:29:34,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 7 letters. Loop has 7 letters. [2020-07-29 01:29:34,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 4 Stem has 7 letters. Loop has 7 letters. [2020-07-29 01:29:34,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:34,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:34,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:34,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:34,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:34,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:34,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,577 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:29:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-07-29 01:29:34,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:34,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:34,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:34,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:34,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. cyclomatic complexity: 4 [2020-07-29 01:29:34,592 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:34,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2020-07-29 01:29:34,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:29:34,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:29:34,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:29:34,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:29:34,598 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:34,598 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:34,598 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:34,598 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:29:34,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:29:34,598 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:34,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:34,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:29:34 BoogieIcfgContainer [2020-07-29 01:29:34,604 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:29:34,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:29:34,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:29:34,605 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:29:34,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:33" (3/4) ... [2020-07-29 01:29:34,610 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:29:34,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:29:34,613 INFO L168 Benchmark]: Toolchain (without parser) took 2190.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 960.2 MB in the beginning and 989.0 MB in the end (delta: -28.8 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:34,614 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:34,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.85 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:34,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:34,617 INFO L168 Benchmark]: Boogie Preprocessor took 22.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:34,618 INFO L168 Benchmark]: RCFGBuilder took 255.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:34,619 INFO L168 Benchmark]: BuchiAutomizer took 1531.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.0 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:34,619 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 1.2 GB. Free memory is still 989.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:34,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.85 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 255.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1531.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.0 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.35 ms. Allocated memory is still 1.2 GB. Free memory is still 989.0 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 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 6 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 2 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: 29ms 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...