./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/loop-lit/bhmr2007.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash cc52fae450c71cb08003ff68124573964734a280 ........................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:17:58,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:17:58,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:17:58,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:17:58,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:17:58,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:17:58,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:17:58,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:17:58,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:17:58,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:17:58,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:17:58,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:17:58,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:17:58,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:17:58,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:17:58,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:17:58,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:17:58,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:17:58,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:17:58,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:17:58,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:17:58,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:17:58,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:17:58,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:17:58,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:17:58,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:17:58,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:17:58,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:17:58,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:17:58,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:17:58,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:17:58,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:17:58,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:17:58,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:17:58,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:17:58,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:17:58,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:17:58,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:17:58,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:17:58,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:17:58,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:17:58,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:17:58,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:17:58,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:17:58,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:17:58,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:17:58,277 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:17:58,279 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:17:58,279 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:17:58,279 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:17:58,280 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:17:58,280 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:17:58,281 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:17:58,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:17:58,282 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:17:58,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:17:58,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:17:58,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:17:58,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:17:58,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:17:58,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:17:58,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:17:58,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:17:58,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:17:58,284 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:17:58,285 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:17:58,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:17:58,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:17:58,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:17:58,286 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:17:58,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:17:58,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:17:58,286 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:17:58,287 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:17:58,288 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc52fae450c71cb08003ff68124573964734a280 [2019-11-28 03:17:58,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:17:58,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:17:58,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:17:58,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:17:58,612 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:17:58,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/bhmr2007.i [2019-11-28 03:17:58,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046ed9018/7969c05d6f184b4c891f599a3c589c88/FLAG08013cd1a [2019-11-28 03:17:59,064 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:17:59,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/bhmr2007.i [2019-11-28 03:17:59,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046ed9018/7969c05d6f184b4c891f599a3c589c88/FLAG08013cd1a [2019-11-28 03:17:59,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046ed9018/7969c05d6f184b4c891f599a3c589c88 [2019-11-28 03:17:59,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:17:59,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:17:59,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:17:59,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:17:59,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:17:59,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f92d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59, skipping insertion in model container [2019-11-28 03:17:59,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:17:59,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:17:59,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:17:59,724 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:17:59,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:17:59,772 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:17:59,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59 WrapperNode [2019-11-28 03:17:59,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:17:59,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:17:59,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:17:59,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:17:59,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:17:59,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:17:59,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:17:59,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:17:59,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (1/1) ... [2019-11-28 03:17:59,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:17:59,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:17:59,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:17:59,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:17:59,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (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 [2019-11-28 03:17:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:17:59,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:18:00,125 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:18:00,126 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:18:00,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:00 BoogieIcfgContainer [2019-11-28 03:18:00,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:18:00,128 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:18:00,128 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:18:00,132 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:18:00,133 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:18:00,133 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:17:59" (1/3) ... [2019-11-28 03:18:00,134 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@723f908f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:18:00, skipping insertion in model container [2019-11-28 03:18:00,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:18:00,135 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:59" (2/3) ... [2019-11-28 03:18:00,135 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@723f908f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:18:00, skipping insertion in model container [2019-11-28 03:18:00,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:18:00,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:00" (3/3) ... [2019-11-28 03:18:00,138 INFO L371 chiAutomizerObserver]: Analyzing ICFG bhmr2007.i [2019-11-28 03:18:00,194 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:18:00,194 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:18:00,194 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:18:00,194 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:18:00,194 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:18:00,194 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:18:00,195 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:18:00,195 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:18:00,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:18:00,234 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:18:00,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:18:00,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:18:00,242 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:18:00,243 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:18:00,243 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:18:00,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:18:00,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:18:00,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:18:00,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:18:00,245 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:18:00,245 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:18:00,254 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_~i~0, main_~n~0, main_~a~0, main_~b~0;havoc main_~i~0;havoc main_~n~0;havoc main_~a~0;havoc main_~b~0;main_~i~0 := 0;main_~a~0 := 0;main_~b~0 := 0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 10#L13true assume !!(main_~n~0 >= 0 && main_~n~0 <= 1000000); 7#L14-2true [2019-11-28 03:18:00,255 INFO L796 eck$LassoCheckResult]: Loop: 7#L14-2true assume !!(main_~i~0 < main_~n~0); 3#L15true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~a~0 := 1 + main_~a~0;main_~b~0 := 2 + main_~b~0; 11#L15-2true main_~i~0 := 1 + main_~i~0; 7#L14-2true [2019-11-28 03:18:00,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:18:00,262 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-28 03:18:00,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:18:00,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526643508] [2019-11-28 03:18:00,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:18:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:18:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:18:00,393 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:18:00,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:18:00,395 INFO L82 PathProgramCache]: Analyzing trace with hash 44786, now seen corresponding path program 1 times [2019-11-28 03:18:00,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:18:00,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117591350] [2019-11-28 03:18:00,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:18:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:18:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:18:00,416 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:18:00,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:18:00,419 INFO L82 PathProgramCache]: Analyzing trace with hash 29746413, now seen corresponding path program 1 times [2019-11-28 03:18:00,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:18:00,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402293194] [2019-11-28 03:18:00,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:18:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:18:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:18:00,452 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:18:00,544 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:18:00,545 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:18:00,545 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:18:00,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:18:00,558 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:18:00,558 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:00,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:18:00,559 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:18:00,559 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2019-11-28 03:18:00,559 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:18:00,563 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:18:00,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:18:00,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:18:00,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:18:00,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:18:00,776 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:18:00,777 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) [2019-11-28 03:18:00,794 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:18:00,794 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 [2019-11-28 03:18:00,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:18:00,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:18:00,833 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:18:00,833 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0=0} Honda state: {ULTIMATE.start_main_~b~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0=-1}, {ULTIMATE.start_main_~b~0=7}, {ULTIMATE.start_main_~b~0=-4}] 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 [2019-11-28 03:18:00,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:18:00,851 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:00,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:18:00,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:18:00,884 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:18:00,884 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0=0} Honda state: {ULTIMATE.start_main_~a~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0=0}, {ULTIMATE.start_main_~a~0=4}, {ULTIMATE.start_main_~a~0=-3}] Lambdas: [11, 1, 1] Nus: [0, 0] 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:00,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:18:00,893 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2019-11-28 03:18:00,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:00,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:18:01,027 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:18:01,029 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:18:01,029 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:18:01,030 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:18:01,030 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:18:01,030 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:18:01,031 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:01,031 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:18:01,031 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:18:01,032 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2019-11-28 03:18:01,032 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:18:01,032 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:18:01,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:18:01,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:18:01,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:18:01,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:18:01,149 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:18:01,157 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 03:18:01,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:18:01,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:18:01,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:18:01,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:18:01,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:18:01,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:18:01,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:18:01,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:01,188 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:18:01,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:18:01,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:18:01,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:18:01,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:18:01,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:18:01,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:18:01,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:18:01,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:01,216 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:18:01,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:18:01,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:18:01,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:18:01,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:18:01,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:18:01,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:18:01,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:18:01,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:01,245 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:18:01,253 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 03:18:01,254 INFO L444 ModelExtractionUtils]: 0 out of 4 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:18:01,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:18:01,267 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:18:01,267 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:18:01,268 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:18:01,282 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:18:01,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:18:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:18:01,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:18:01,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:18:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:18:01,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:18:01,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:18:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:18:01,389 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:18:01,391 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-11-28 03:18:01,450 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 32 states and 40 transitions. Complement of second has 7 states. [2019-11-28 03:18:01,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:18:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:18:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2019-11-28 03:18:01,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-28 03:18:01,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:18:01,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-28 03:18:01,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:18:01,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-28 03:18:01,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:18:01,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2019-11-28 03:18:01,460 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:18:01,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-11-28 03:18:01,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:18:01,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:18:01,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:18:01,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:18:01,464 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:18:01,464 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:18:01,465 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:18:01,465 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:18:01,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:18:01,465 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:18:01,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:18:01,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:18:01 BoogieIcfgContainer [2019-11-28 03:18:01,471 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:18:01,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:18:01,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:18:01,472 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:18:01,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:00" (3/4) ... [2019-11-28 03:18:01,476 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:18:01,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:18:01,479 INFO L168 Benchmark]: Toolchain (without parser) took 2035.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -48.0 MB). Peak memory consumption was 91.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:18:01,480 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:18:01,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.86 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:18:01,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.78 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:18:01,483 INFO L168 Benchmark]: Boogie Preprocessor took 90.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:18:01,483 INFO L168 Benchmark]: RCFGBuilder took 222.30 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:18:01,484 INFO L168 Benchmark]: BuchiAutomizer took 1343.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:18:01,485 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:18:01,489 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.86 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.78 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222.30 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1343.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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 n + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 13 SDslu, 12 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...