./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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/ldv-regression/test12.c -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 5c53a6d62fed0622838fea72ad24550253a2b4bc .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:09:15,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:09:15,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:09:15,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:09:15,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:09:15,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:09:15,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:09:15,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:09:15,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:09:15,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:09:15,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:09:15,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:09:15,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:09:15,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:09:15,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:09:15,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:09:15,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:09:15,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:09:15,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:09:15,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:09:15,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:09:15,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:09:15,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:09:15,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:09:15,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:09:15,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:09:15,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:09:15,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:09:15,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:09:15,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:09:15,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:09:15,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:09:15,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:09:15,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:09:15,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:09:15,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:09:15,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:09:15,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:09:15,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:09:15,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:09:15,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:09:15,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:09:15,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:09:15,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:09:15,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:09:15,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:09:15,608 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:09:15,608 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:09:15,608 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:09:15,608 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:09:15,609 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:09:15,609 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:09:15,610 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:09:15,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:09:15,611 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:09:15,611 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:09:15,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:09:15,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:09:15,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:09:15,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:09:15,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:09:15,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:09:15,613 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:09:15,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:09:15,614 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:09:15,614 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:09:15,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:09:15,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:09:15,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:09:15,615 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:09:15,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:09:15,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:09:15,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:09:15,616 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:09:15,618 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:09:15,619 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 -> 5c53a6d62fed0622838fea72ad24550253a2b4bc [2020-10-19 19:09:15,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:09:15,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:09:15,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:09:15,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:09:15,937 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:09:15,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test12.c [2020-10-19 19:09:16,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ddb94d11/b57931072595408793f769571c064156/FLAGe063e711f [2020-10-19 19:09:16,454 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:09:16,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test12.c [2020-10-19 19:09:16,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ddb94d11/b57931072595408793f769571c064156/FLAGe063e711f [2020-10-19 19:09:16,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ddb94d11/b57931072595408793f769571c064156 [2020-10-19 19:09:16,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:09:16,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:09:16,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:09:16,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:09:16,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:09:16,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:09:16" (1/1) ... [2020-10-19 19:09:16,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2f7091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:16, skipping insertion in model container [2020-10-19 19:09:16,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:09:16" (1/1) ... [2020-10-19 19:09:16,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:09:16,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:09:17,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:09:17,057 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:09:17,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:09:17,086 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:09:17,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17 WrapperNode [2020-10-19 19:09:17,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:09:17,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:09:17,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:09:17,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:09:17,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:09:17,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:09:17,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:09:17,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:09:17,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (1/1) ... [2020-10-19 19:09:17,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:09:17,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:09:17,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:09:17,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:09:17,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (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 [2020-10-19 19:09:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:09:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:09:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:09:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:09:17,475 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:09:17,475 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-19 19:09:17,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:09:17 BoogieIcfgContainer [2020-10-19 19:09:17,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:09:17,478 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:09:17,478 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:09:17,481 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:09:17,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:09:17,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:09:16" (1/3) ... [2020-10-19 19:09:17,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63d8309f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:09:17, skipping insertion in model container [2020-10-19 19:09:17,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:09:17,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:17" (2/3) ... [2020-10-19 19:09:17,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63d8309f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:09:17, skipping insertion in model container [2020-10-19 19:09:17,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:09:17,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:09:17" (3/3) ... [2020-10-19 19:09:17,486 INFO L373 chiAutomizerObserver]: Analyzing ICFG test12.c [2020-10-19 19:09:17,537 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:09:17,537 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:09:17,537 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:09:17,538 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:09:17,538 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:09:17,538 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:09:17,538 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:09:17,538 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:09:17,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-19 19:09:17,578 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:09:17,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:09:17,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:09:17 BoogieIcfgContainer [2020-10-19 19:09:17,584 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:09:17,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:09:17,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:09:17,585 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:09:17,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:09:17" (3/4) ... [2020-10-19 19:09:17,589 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:09:17,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:09:17,592 INFO L168 Benchmark]: Toolchain (without parser) took 753.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:09:17,593 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:09:17,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.97 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:17,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.82 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 942.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:17,596 INFO L168 Benchmark]: Boogie Preprocessor took 75.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:17,597 INFO L168 Benchmark]: RCFGBuilder took 278.40 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:17,598 INFO L168 Benchmark]: BuchiAutomizer took 106.54 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:17,598 INFO L168 Benchmark]: Witness Printer took 4.90 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. [2020-10-19 19:09:17,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 242.97 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 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 34.82 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 942.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 278.40 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 106.54 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.90 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...