./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/fo_test.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/fo_test.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/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 e88937087b9f706d9095d98c766f1175cee3adc1 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:05:30,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:30,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:30,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:30,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:30,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:30,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:30,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:30,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:30,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:30,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:30,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:30,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:30,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:30,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:30,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:30,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:30,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:30,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:30,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:30,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:30,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:30,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:30,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:30,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:30,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:30,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:30,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:30,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:30,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:30,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:30,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:30,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:30,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:30,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:30,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:30,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:30,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:30,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:30,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:30,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:30,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:05:30,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:30,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:30,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:30,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:30,516 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:30,516 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:05:30,516 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:05:30,516 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:05:30,517 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:05:30,517 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:05:30,518 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:05:30,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:30,518 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:30,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:05:30,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:30,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:30,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:30,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:05:30,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:05:30,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:05:30,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:30,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:30,520 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:05:30,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:30,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:05:30,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:30,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:30,521 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:05:30,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:30,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:30,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:30,524 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:05:30,525 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:05:30,525 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e88937087b9f706d9095d98c766f1175cee3adc1 [2020-11-28 03:05:30,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:30,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:30,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:30,815 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:30,820 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:30,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/fo_test.i [2020-11-28 03:05:30,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/data/7f356d5cb/01da1ecdbbc943c99b8321cb67048252/FLAG5dfcb992f [2020-11-28 03:05:31,398 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:31,399 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/sv-benchmarks/c/ldv-regression/fo_test.i [2020-11-28 03:05:31,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/data/7f356d5cb/01da1ecdbbc943c99b8321cb67048252/FLAG5dfcb992f [2020-11-28 03:05:31,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/bin/uautomizer/data/7f356d5cb/01da1ecdbbc943c99b8321cb67048252 [2020-11-28 03:05:31,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:31,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:31,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:31,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:31,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:31,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:31" (1/1) ... [2020-11-28 03:05:31,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d33b42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:31, skipping insertion in model container [2020-11-28 03:05:31,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:31" (1/1) ... [2020-11-28 03:05:31,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:31,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:32,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:32,222 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:32,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:32,380 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:32,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32 WrapperNode [2020-11-28 03:05:32,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:32,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:32,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:32,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:32,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:32,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:32,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:32,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:32,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... [2020-11-28 03:05:32,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:32,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:32,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:32,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:32,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c32a96f-5f53-4830-b100-3a5350d361a7/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 [2020-11-28 03:05:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:05:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-11-28 03:05:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:05:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:33,061 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:33,061 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-28 03:05:33,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:33 BoogieIcfgContainer [2020-11-28 03:05:33,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:33,063 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:05:33,063 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:05:33,068 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:05:33,069 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:33,069 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:05:31" (1/3) ... [2020-11-28 03:05:33,071 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e8c1930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:33, skipping insertion in model container [2020-11-28 03:05:33,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:33,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:32" (2/3) ... [2020-11-28 03:05:33,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e8c1930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:33, skipping insertion in model container [2020-11-28 03:05:33,072 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:33,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:33" (3/3) ... [2020-11-28 03:05:33,073 INFO L373 chiAutomizerObserver]: Analyzing ICFG fo_test.i [2020-11-28 03:05:33,119 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:05:33,119 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:05:33,119 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:05:33,120 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:33,120 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:33,120 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:05:33,120 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:33,120 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:05:33,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:05:33,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:33,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:05:33,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:05:33 BoogieIcfgContainer [2020-11-28 03:05:33,156 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:05:33,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:33,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:33,158 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:33,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:33" (3/4) ... [2020-11-28 03:05:33,162 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:05:33,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:33,164 INFO L168 Benchmark]: Toolchain (without parser) took 1439.06 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 60.6 MB in the beginning and 57.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:33,165 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 51.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:33,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.96 ms. Allocated memory is still 92.3 MB. Free memory was 60.6 MB in the beginning and 36.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:33,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.02 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 36.0 MB in the beginning and 92.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:33,168 INFO L168 Benchmark]: Boogie Preprocessor took 39.40 ms. Allocated memory is still 115.3 MB. Free memory was 92.7 MB in the beginning and 90.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:33,169 INFO L168 Benchmark]: RCFGBuilder took 572.50 ms. Allocated memory is still 115.3 MB. Free memory was 90.6 MB in the beginning and 62.9 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:33,169 INFO L168 Benchmark]: BuchiAutomizer took 93.32 ms. Allocated memory is still 115.3 MB. Free memory was 62.0 MB in the beginning and 57.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:33,170 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 115.3 MB. Free memory is still 57.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:33,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 51.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.96 ms. Allocated memory is still 92.3 MB. Free memory was 60.6 MB in the beginning and 36.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.02 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 36.0 MB in the beginning and 92.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.40 ms. Allocated memory is still 115.3 MB. Free memory was 92.7 MB in the beginning and 90.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 572.50 ms. Allocated memory is still 115.3 MB. Free memory was 90.6 MB in the beginning and 62.9 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 93.32 ms. Allocated memory is still 115.3 MB. Free memory was 62.0 MB in the beginning and 57.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.77 ms. Allocated memory is still 115.3 MB. Free memory is still 57.0 MB. There was no memory consumed. Max. memory is 16.1 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...