./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/bubble_sort_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/bubble_sort_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b59596f519f075436dc724f37897dcc3b0f74afa ............................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:01:37,912 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:01:37,913 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:01:37,920 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:01:37,920 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:01:37,921 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:01:37,922 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:01:37,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:01:37,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:01:37,924 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:01:37,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:01:37,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:01:37,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:01:37,926 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:01:37,927 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:01:37,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:01:37,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:01:37,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:01:37,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:01:37,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:01:37,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:01:37,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:01:37,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:01:37,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:01:37,933 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:01:37,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:01:37,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:01:37,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:01:37,936 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:01:37,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:01:37,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:01:37,937 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:01:37,937 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:01:37,938 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:01:37,938 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:01:37,939 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:01:37,939 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:01:37,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:01:37,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:01:37,947 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:01:37,947 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:01:37,948 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:01:37,948 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:01:37,948 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:01:37,948 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:01:37,948 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:01:37,948 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:01:37,948 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:01:37,948 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:01:37,949 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:01:37,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:01:37,949 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:01:37,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:01:37,950 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:01:37,950 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:01:37,950 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:01:37,950 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:01:37,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:01:37,950 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:01:37,950 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:01:37,950 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:01:37,951 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:01:37,951 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:01:37,951 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:01:37,951 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:01:37,951 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:01:37,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:01:37,951 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:01:37,952 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:01:37,952 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:01:37,952 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:01:37,952 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:01:37,952 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:01:37,952 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:01:37,952 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> b59596f519f075436dc724f37897dcc3b0f74afa [2018-11-23 12:01:37,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:01:37,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:01:37,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:01:37,991 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:01:37,991 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:01:37,992 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/../../sv-benchmarks/c/loops/bubble_sort_true-unreach-call_true-termination.i [2018-11-23 12:01:38,034 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/data/bf08a192c/3d2c648185824272bd73400d6944ba95/FLAGe74a69df0 [2018-11-23 12:01:38,448 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:01:38,449 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/sv-benchmarks/c/loops/bubble_sort_true-unreach-call_true-termination.i [2018-11-23 12:01:38,453 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/data/bf08a192c/3d2c648185824272bd73400d6944ba95/FLAGe74a69df0 [2018-11-23 12:01:38,463 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/data/bf08a192c/3d2c648185824272bd73400d6944ba95 [2018-11-23 12:01:38,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:01:38,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:01:38,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:01:38,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:01:38,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:01:38,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1528b193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38, skipping insertion in model container [2018-11-23 12:01:38,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:01:38,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:01:38,619 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:01:38,624 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:01:38,641 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:01:38,650 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:01:38,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38 WrapperNode [2018-11-23 12:01:38,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:01:38,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:01:38,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:01:38,651 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:01:38,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:01:38,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:01:38,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:01:38,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:01:38,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... [2018-11-23 12:01:38,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:01:38,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:01:38,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:01:38,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:01:38,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/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 [2018-11-23 12:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure q1 [2018-11-23 12:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure q1 [2018-11-23 12:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure bubblesort [2018-11-23 12:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bubblesort [2018-11-23 12:01:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:01:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:01:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:01:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:01:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:01:38,934 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:01:38,934 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 12:01:38,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:01:38 BoogieIcfgContainer [2018-11-23 12:01:38,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:01:38,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:01:38,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:01:38,936 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:01:38,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:01:38" (1/3) ... [2018-11-23 12:01:38,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22626669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:01:38, skipping insertion in model container [2018-11-23 12:01:38,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:38" (2/3) ... [2018-11-23 12:01:38,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22626669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:01:38, skipping insertion in model container [2018-11-23 12:01:38,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:01:38" (3/3) ... [2018-11-23 12:01:38,938 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_true-unreach-call_true-termination.i [2018-11-23 12:01:38,945 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:01:38,951 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-23 12:01:38,966 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-23 12:01:38,990 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:01:38,991 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:01:38,991 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:01:38,991 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:01:38,991 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:01:38,991 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:01:38,991 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:01:38,991 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:01:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-11-23 12:01:39,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:01:39,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 40 states. [2018-11-23 12:01:39,065 INFO L451 ceAbstractionStarter]: At program point L60(lines 60 77) the Hoare annotation is: true [2018-11-23 12:01:39,066 INFO L448 ceAbstractionStarter]: For program point L69-2(line 69) no Hoare annotation was computed. [2018-11-23 12:01:39,066 INFO L451 ceAbstractionStarter]: At program point L69-3(line 69) the Hoare annotation is: true [2018-11-23 12:01:39,066 INFO L448 ceAbstractionStarter]: For program point L65(line 65) no Hoare annotation was computed. [2018-11-23 12:01:39,066 INFO L448 ceAbstractionStarter]: For program point L69-4(line 69) no Hoare annotation was computed. [2018-11-23 12:01:39,066 INFO L451 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: true [2018-11-23 12:01:39,066 INFO L448 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-11-23 12:01:39,066 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 70 75) no Hoare annotation was computed. [2018-11-23 12:01:39,066 INFO L451 ceAbstractionStarter]: At program point L70-3(lines 70 75) the Hoare annotation is: true [2018-11-23 12:01:39,067 INFO L451 ceAbstractionStarter]: At program point q1ENTRY(lines 53 79) the Hoare annotation is: true [2018-11-23 12:01:39,067 INFO L448 ceAbstractionStarter]: For program point L66-2(line 66) no Hoare annotation was computed. [2018-11-23 12:01:39,067 INFO L451 ceAbstractionStarter]: At program point L66-3(line 66) the Hoare annotation is: true [2018-11-23 12:01:39,067 INFO L448 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-11-23 12:01:39,067 INFO L448 ceAbstractionStarter]: For program point q1FINAL(lines 53 79) no Hoare annotation was computed. [2018-11-23 12:01:39,067 INFO L448 ceAbstractionStarter]: For program point q1EXIT(lines 53 79) no Hoare annotation was computed. [2018-11-23 12:01:39,067 INFO L448 ceAbstractionStarter]: For program point L63-2(line 63) no Hoare annotation was computed. [2018-11-23 12:01:39,067 INFO L451 ceAbstractionStarter]: At program point L63-3(line 63) the Hoare annotation is: true [2018-11-23 12:01:39,067 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-23 12:01:39,068 INFO L448 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-11-23 12:01:39,068 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 31) no Hoare annotation was computed. [2018-11-23 12:01:39,068 INFO L451 ceAbstractionStarter]: At program point L19-3(lines 19 31) the Hoare annotation is: true [2018-11-23 12:01:39,068 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 17 32) no Hoare annotation was computed. [2018-11-23 12:01:39,068 INFO L451 ceAbstractionStarter]: At program point L17-3(lines 17 32) the Hoare annotation is: true [2018-11-23 12:01:39,068 INFO L448 ceAbstractionStarter]: For program point bubblesortEXIT(lines 13 33) no Hoare annotation was computed. [2018-11-23 12:01:39,068 INFO L448 ceAbstractionStarter]: For program point L17-4(lines 13 33) no Hoare annotation was computed. [2018-11-23 12:01:39,068 INFO L451 ceAbstractionStarter]: At program point bubblesortENTRY(lines 13 33) the Hoare annotation is: true [2018-11-23 12:01:39,068 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-23 12:01:39,068 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 30) no Hoare annotation was computed. [2018-11-23 12:01:39,069 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:01:39,069 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:01:39,069 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:01:39,069 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:01:39,069 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:01:39,069 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:01:39,069 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:01:39,069 INFO L448 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-11-23 12:01:39,069 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 80 84) the Hoare annotation is: true [2018-11-23 12:01:39,070 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 80 84) no Hoare annotation was computed. [2018-11-23 12:01:39,070 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 80 84) no Hoare annotation was computed. [2018-11-23 12:01:39,070 INFO L451 ceAbstractionStarter]: At program point L82(line 82) the Hoare annotation is: true [2018-11-23 12:01:39,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:01:39 BoogieIcfgContainer [2018-11-23 12:01:39,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:01:39,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:01:39,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:01:39,078 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:01:39,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:01:38" (3/4) ... [2018-11-23 12:01:39,081 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:01:39,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure q1 [2018-11-23 12:01:39,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bubblesort [2018-11-23 12:01:39,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:01:39,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:01:39,092 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 12:01:39,092 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 12:01:39,092 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:01:39,092 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:01:39,131 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f06ffa3c-9d10-4a46-8736-d06cadbb48cd/bin-2019/utaipan/witness.graphml [2018-11-23 12:01:39,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:01:39,132 INFO L168 Benchmark]: Toolchain (without parser) took 666.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -130.2 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:01:39,133 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:01:39,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.94 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:01:39,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:01:39,134 INFO L168 Benchmark]: Boogie Preprocessor took 24.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:01:39,134 INFO L168 Benchmark]: RCFGBuilder took 206.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:01:39,134 INFO L168 Benchmark]: TraceAbstraction took 142.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:01:39,135 INFO L168 Benchmark]: Witness Printer took 54.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:01:39,136 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.94 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 206.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 142.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 54.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 15 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 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...