./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/recursive_list.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/ldv-regression/recursive_list.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 3d5040117e2eabdebb8b19ac037d1eb680a830cf .................................................................................................................................................................................................................. 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 03:15:43,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:15:43,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:15:43,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:15:43,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:15:43,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:15:43,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:15:43,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:15:43,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:15:43,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:15:43,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:15:43,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:15:43,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:15:43,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:15:43,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:15:43,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:15:43,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:15:43,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:15:43,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:15:43,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:15:43,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:15:43,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:15:43,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:15:43,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:15:43,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:15:43,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:15:43,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:15:43,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:15:43,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:15:43,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:15:43,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:15:43,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:15:43,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:15:43,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:15:43,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:15:43,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:15:43,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:15:43,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:15:43,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:15:43,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:15:43,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:15:43,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:15:43,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:15:43,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:15:43,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:15:43,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:15:43,845 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:15:43,846 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:15:43,846 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:15:43,846 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:15:43,846 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:15:43,847 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:15:43,848 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:15:43,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:15:43,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:15:43,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:15:43,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:15:43,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:15:43,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:15:43,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:15:43,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:15:43,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:15:43,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:15:43,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:15:43,852 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:15:43,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:15:43,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:15:43,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:15:43,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:15:43,854 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:15:43,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:15:43,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:15:43,855 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:15:43,858 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:15:43,858 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 -> 3d5040117e2eabdebb8b19ac037d1eb680a830cf [2019-11-28 03:15:44,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:15:44,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:15:44,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:15:44,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:15:44,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:15:44,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/recursive_list.i [2019-11-28 03:15:44,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e33c453/115ed17e2cb0434bbfe7e83c2b44a43f/FLAGd8c3646bd [2019-11-28 03:15:44,685 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:15:44,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/recursive_list.i [2019-11-28 03:15:44,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e33c453/115ed17e2cb0434bbfe7e83c2b44a43f/FLAGd8c3646bd [2019-11-28 03:15:45,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e33c453/115ed17e2cb0434bbfe7e83c2b44a43f [2019-11-28 03:15:45,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:15:45,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:15:45,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:15:45,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:15:45,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:15:45,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf4c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45, skipping insertion in model container [2019-11-28 03:15:45,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:15:45,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:15:45,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:15:45,346 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:15:45,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:15:45,377 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:15:45,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45 WrapperNode [2019-11-28 03:15:45,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:15:45,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:15:45,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:15:45,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:15:45,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:15:45,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:15:45,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:15:45,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:15:45,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (1/1) ... [2019-11-28 03:15:45,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:15:45,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:15:45,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:15:45,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:15:45,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (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 03:15:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 03:15:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:15:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 03:15:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:15:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 03:15:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:15:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:15:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:15:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:15:45,910 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:15:45,914 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-28 03:15:45,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:45 BoogieIcfgContainer [2019-11-28 03:15:45,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:15:45,922 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:15:45,922 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:15:45,931 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:15:45,932 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:15:45,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:15:45" (1/3) ... [2019-11-28 03:15:45,937 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@93ff275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:15:45, skipping insertion in model container [2019-11-28 03:15:45,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:15:45,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:45" (2/3) ... [2019-11-28 03:15:45,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@93ff275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:15:45, skipping insertion in model container [2019-11-28 03:15:45,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:15:45,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:45" (3/3) ... [2019-11-28 03:15:45,943 INFO L371 chiAutomizerObserver]: Analyzing ICFG recursive_list.i [2019-11-28 03:15:46,008 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:15:46,009 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:15:46,009 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:15:46,009 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:15:46,009 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:15:46,009 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:15:46,009 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:15:46,010 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:15:46,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:15:46,041 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:15:46,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:15:46,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:15:46 BoogieIcfgContainer [2019-11-28 03:15:46,046 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:15:46,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:15:46,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:15:46,047 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:15:46,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:45" (3/4) ... [2019-11-28 03:15:46,051 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:15:46,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:15:46,054 INFO L168 Benchmark]: Toolchain (without parser) took 975.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:15:46,055 INFO L168 Benchmark]: CDTParser took 0.18 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 03:15:46,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:15:46,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:15:46,058 INFO L168 Benchmark]: Boogie Preprocessor took 31.18 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. [2019-11-28 03:15:46,059 INFO L168 Benchmark]: RCFGBuilder took 400.43 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:15:46,059 INFO L168 Benchmark]: BuchiAutomizer took 124.16 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. [2019-11-28 03:15:46,060 INFO L168 Benchmark]: Witness Printer took 4.69 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. [2019-11-28 03:15:46,065 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 299.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 105.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.18 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 400.43 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 124.16 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 4.69 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...