./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/bubble_sort-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e1acfd31445967c69cca4f8260e477710826362 .................................................................................................................................................................................................................................................................. 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 03:15:35,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:15:35,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:15:35,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:15:35,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:15:35,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:15:35,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:15:35,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:15:35,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:15:35,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:15:35,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:15:35,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:15:35,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:15:35,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:15:35,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:15:35,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:15:35,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:15:35,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:15:35,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:15:35,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:15:35,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:15:35,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:15:35,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:15:35,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:15:35,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:15:35,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:15:35,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:15:35,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:15:35,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:15:35,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:15:35,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:15:35,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:15:35,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:15:35,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:15:35,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:15:35,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:15:35,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:15:35,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:15:35,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:15:35,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:15:35,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:15:35,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:15:35,547 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:15:35,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:15:35,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:15:35,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:15:35,550 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:15:35,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:15:35,550 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:15:35,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:15:35,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:15:35,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:15:35,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:15:35,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:15:35,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:15:35,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:15:35,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:15:35,553 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:15:35,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:15:35,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:15:35,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:15:35,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:15:35,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:15:35,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:15:35,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:15:35,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:15:35,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:15:35,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:15:35,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:15:35,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:15:35,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:15:35,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_391078e1-b922-43fd-8c6f-6caf61eb65b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e1acfd31445967c69cca4f8260e477710826362 [2020-11-28 03:15:35,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:15:35,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:15:35,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:15:35,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:15:35,865 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:15:35,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/../../sv-benchmarks/c/loops/bubble_sort-1.c [2020-11-28 03:15:35,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/data/f6670726d/6f8d9a60607049aba80cd62cbc9f2a93/FLAG46899d795 [2020-11-28 03:15:36,563 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:15:36,564 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/sv-benchmarks/c/loops/bubble_sort-1.c [2020-11-28 03:15:36,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/data/f6670726d/6f8d9a60607049aba80cd62cbc9f2a93/FLAG46899d795 [2020-11-28 03:15:36,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/data/f6670726d/6f8d9a60607049aba80cd62cbc9f2a93 [2020-11-28 03:15:36,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:15:36,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:15:36,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:36,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:15:36,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:15:36,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:36" (1/1) ... [2020-11-28 03:15:36,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e7e5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:36, skipping insertion in model container [2020-11-28 03:15:36,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:36" (1/1) ... [2020-11-28 03:15:36,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:15:36,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:15:37,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:37,211 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:15:37,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:37,270 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:15:37,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37 WrapperNode [2020-11-28 03:15:37,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:37,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:37,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:15:37,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:15:37,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:37,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:15:37,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:15:37,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:15:37,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... [2020-11-28 03:15:37,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:15:37,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:15:37,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:15:37,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:15:37,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:15:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:15:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:15:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:15:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:15:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:15:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:15:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:15:37,853 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:15:37,853 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-28 03:15:37,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:37 BoogieIcfgContainer [2020-11-28 03:15:37,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:15:37,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:15:37,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:15:37,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:15:37,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:15:36" (1/3) ... [2020-11-28 03:15:37,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160dd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:37, skipping insertion in model container [2020-11-28 03:15:37,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:37" (2/3) ... [2020-11-28 03:15:37,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160dd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:37, skipping insertion in model container [2020-11-28 03:15:37,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:37" (3/3) ... [2020-11-28 03:15:37,866 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-1.c [2020-11-28 03:15:37,893 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:15:37,898 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-28 03:15:37,915 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-28 03:15:37,967 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:15:37,967 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:15:37,967 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:15:37,967 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:15:37,967 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:15:37,968 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:15:37,968 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:15:37,968 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:15:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-11-28 03:15:37,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:15:38,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 27 states. [2020-11-28 03:15:38,175 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-28 03:15:38,176 INFO L277 CegarLoopResult]: At program point L94(lines 89 95) the Hoare annotation is: true [2020-11-28 03:15:38,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:15:38,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:15:38,176 INFO L274 CegarLoopResult]: For program point L20-2(lines 20 32) no Hoare annotation was computed. [2020-11-28 03:15:38,177 INFO L277 CegarLoopResult]: At program point L20-3(lines 20 32) the Hoare annotation is: true [2020-11-28 03:15:38,177 INFO L274 CegarLoopResult]: For program point L70-2(line 70) no Hoare annotation was computed. [2020-11-28 03:15:38,177 INFO L277 CegarLoopResult]: At program point L70-3(line 70) the Hoare annotation is: true [2020-11-28 03:15:38,177 INFO L277 CegarLoopResult]: At program point L54(lines 54 87) the Hoare annotation is: true [2020-11-28 03:15:38,177 INFO L277 CegarLoopResult]: At program point L63(lines 63 83) the Hoare annotation is: true [2020-11-28 03:15:38,178 INFO L274 CegarLoopResult]: For program point L14(lines 14 34) no Hoare annotation was computed. [2020-11-28 03:15:38,178 INFO L274 CegarLoopResult]: For program point L56(lines 56 57) no Hoare annotation was computed. [2020-11-28 03:15:38,178 INFO L274 CegarLoopResult]: For program point L23(lines 23 31) no Hoare annotation was computed. [2020-11-28 03:15:38,178 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-28 03:15:38,178 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:15:38,178 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:15:38,179 INFO L274 CegarLoopResult]: For program point L74-2(line 74) no Hoare annotation was computed. [2020-11-28 03:15:38,180 INFO L277 CegarLoopResult]: At program point L74-3(line 74) the Hoare annotation is: true [2020-11-28 03:15:38,180 INFO L274 CegarLoopResult]: For program point L74-4(line 74) no Hoare annotation was computed. [2020-11-28 03:15:38,180 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:15:38,180 INFO L274 CegarLoopResult]: For program point L66-2(line 66) no Hoare annotation was computed. [2020-11-28 03:15:38,181 INFO L277 CegarLoopResult]: At program point L66-3(line 66) the Hoare annotation is: true [2020-11-28 03:15:38,181 INFO L274 CegarLoopResult]: For program point L25(lines 25 30) no Hoare annotation was computed. [2020-11-28 03:15:38,183 INFO L274 CegarLoopResult]: For program point L18-2(lines 18 33) no Hoare annotation was computed. [2020-11-28 03:15:38,184 INFO L277 CegarLoopResult]: At program point L18-3(lines 18 33) the Hoare annotation is: true [2020-11-28 03:15:38,185 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2020-11-28 03:15:38,186 INFO L277 CegarLoopResult]: At program point L76-3(lines 76 81) the Hoare annotation is: true [2020-11-28 03:15:38,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:15:38 BoogieIcfgContainer [2020-11-28 03:15:38,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:15:38,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:15:38,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:15:38,203 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:15:38,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:37" (3/4) ... [2020-11-28 03:15:38,217 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:15:38,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 03:15:38,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-28 03:15:38,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:15:38,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:15:38,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_391078e1-b922-43fd-8c6f-6caf61eb65b9/bin/uautomizer/witness.graphml [2020-11-28 03:15:38,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:15:38,358 INFO L168 Benchmark]: Toolchain (without parser) took 1459.63 ms. Allocated memory is still 109.1 MB. Free memory was 79.1 MB in the beginning and 84.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:38,359 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory was 45.3 MB in the beginning and 45.3 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:38,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.59 ms. Allocated memory is still 109.1 MB. Free memory was 78.8 MB in the beginning and 85.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:38,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.13 ms. Allocated memory is still 109.1 MB. Free memory was 85.5 MB in the beginning and 83.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:38,360 INFO L168 Benchmark]: Boogie Preprocessor took 34.55 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 82.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:38,361 INFO L168 Benchmark]: RCFGBuilder took 492.88 ms. Allocated memory is still 109.1 MB. Free memory was 82.3 MB in the beginning and 64.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:38,361 INFO L168 Benchmark]: TraceAbstraction took 342.66 ms. Allocated memory is still 109.1 MB. Free memory was 63.8 MB in the beginning and 54.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:38,365 INFO L168 Benchmark]: Witness Printer took 154.38 ms. Allocated memory is still 109.1 MB. Free memory was 54.5 MB in the beginning and 84.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:38,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory was 45.3 MB in the beginning and 45.3 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.59 ms. Allocated memory is still 109.1 MB. Free memory was 78.8 MB in the beginning and 85.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.13 ms. Allocated memory is still 109.1 MB. Free memory was 85.5 MB in the beginning and 83.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.55 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 82.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 492.88 ms. Allocated memory is still 109.1 MB. Free memory was 82.3 MB in the beginning and 64.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 342.66 ms. Allocated memory is still 109.1 MB. Free memory was 63.8 MB in the beginning and 54.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 154.38 ms. Allocated memory is still 109.1 MB. Free memory was 54.5 MB in the beginning and 84.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 9 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...