./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa042b443dc45a7f1744078ac68f117b1cbe89b6 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:56:55,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:56:55,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:56:55,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:56:55,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:56:55,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:56:55,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:56:55,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:56:55,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:56:55,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:56:55,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:56:55,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:56:55,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:56:55,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:56:55,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:56:55,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:56:55,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:56:55,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:56:55,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:56:55,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:56:55,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:56:55,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:56:55,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:56:55,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:56:55,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:56:55,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:56:55,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:56:55,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:56:55,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:56:55,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:56:55,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:56:55,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:56:55,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:56:55,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:56:55,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:56:55,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:56:55,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:56:55,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:56:55,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:56:55,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:56:55,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:56:55,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:56:55,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:56:55,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:56:55,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:56:55,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:56:55,354 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:56:55,354 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:56:55,355 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:56:55,355 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:56:55,355 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:56:55,355 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:56:55,355 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:56:55,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:56:55,356 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:56:55,356 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:56:55,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:56:55,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:56:55,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:56:55,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:56:55,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:56:55,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:56:55,357 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:56:55,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:56:55,357 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:56:55,357 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:56:55,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:56:55,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:56:55,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:56:55,358 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:56:55,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:56:55,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:56:55,359 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:56:55,359 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:56:55,360 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa042b443dc45a7f1744078ac68f117b1cbe89b6 [2019-11-25 08:56:55,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:56:55,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:56:55,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:56:55,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:56:55,551 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:56:55,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test16.c [2019-11-25 08:56:55,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/data/4c4800a1d/6c4ed06ae791468b980fd7c7af74e7ff/FLAGb8615d782 [2019-11-25 08:56:56,006 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:56:56,006 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/sv-benchmarks/c/ldv-regression/test16.c [2019-11-25 08:56:56,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/data/4c4800a1d/6c4ed06ae791468b980fd7c7af74e7ff/FLAGb8615d782 [2019-11-25 08:56:56,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/data/4c4800a1d/6c4ed06ae791468b980fd7c7af74e7ff [2019-11-25 08:56:56,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:56:56,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:56:56,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:56,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:56:56,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:56:56,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e434ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56, skipping insertion in model container [2019-11-25 08:56:56,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:56:56,474 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:56:56,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:56,646 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:56:56,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:56,735 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:56:56,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56 WrapperNode [2019-11-25 08:56:56,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:56,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:56,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:56:56,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:56:56,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:56,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:56:56,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:56:56,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:56:56,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:56:56,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:56:56,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:56:56,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:56:56,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bbe393ce-1c7c-4424-b518-e5fdf37b6bf9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:56:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:56:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:56:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:56:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:56:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:56:57,148 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:56:57,148 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:56:57,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:57 BoogieIcfgContainer [2019-11-25 08:56:57,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:56:57,150 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:56:57,150 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:56:57,154 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:56:57,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:57,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:56:56" (1/3) ... [2019-11-25 08:56:57,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5477062f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:56:57, skipping insertion in model container [2019-11-25 08:56:57,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:57,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (2/3) ... [2019-11-25 08:56:57,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5477062f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:56:57, skipping insertion in model container [2019-11-25 08:56:57,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:57,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:57" (3/3) ... [2019-11-25 08:56:57,172 INFO L371 chiAutomizerObserver]: Analyzing ICFG test16.c [2019-11-25 08:56:57,262 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:56:57,262 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:56:57,263 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:56:57,263 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:56:57,263 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:56:57,263 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:56:57,263 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:56:57,263 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:56:57,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-25 08:56:57,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:56:57,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:56:57,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:56:57 BoogieIcfgContainer [2019-11-25 08:56:57,309 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:56:57,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:56:57,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:56:57,309 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:56:57,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:57" (3/4) ... [2019-11-25 08:56:57,313 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:56:57,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:56:57,316 INFO L168 Benchmark]: Toolchain (without parser) took 870.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -208.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:57,317 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:57,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -240.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:57,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:57,319 INFO L168 Benchmark]: Boogie Preprocessor took 20.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:57,319 INFO L168 Benchmark]: RCFGBuilder took 361.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:57,320 INFO L168 Benchmark]: BuchiAutomizer took 158.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:57,321 INFO L168 Benchmark]: Witness Printer took 4.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:57,324 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -240.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 361.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 158.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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...