./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c685955ff6c809f32f6abe44f773ce6a6ae39f94 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:04:19,868 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:04:19,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:04:19,876 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:04:19,877 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:04:19,877 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:04:19,878 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:04:19,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:04:19,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:04:19,880 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:04:19,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:04:19,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:04:19,882 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:04:19,883 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:04:19,883 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:04:19,884 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:04:19,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:04:19,886 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:04:19,887 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:04:19,888 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:04:19,889 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:04:19,890 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:04:19,891 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:04:19,891 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:04:19,892 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:04:19,892 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:04:19,893 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:04:19,893 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:04:19,894 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:04:19,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:04:19,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:04:19,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:04:19,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:04:19,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:04:19,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:04:19,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:04:19,896 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-09 08:04:19,904 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:04:19,904 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:04:19,904 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:04:19,904 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 08:04:19,904 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 08:04:19,905 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 08:04:19,905 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 08:04:19,905 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 08:04:19,905 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 08:04:19,905 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 08:04:19,905 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 08:04:19,905 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 08:04:19,905 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 08:04:19,905 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:04:19,906 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:04:19,906 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:04:19,907 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:04:19,907 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:04:19,907 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:04:19,907 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 08:04:19,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:04:19,907 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:04:19,907 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:04:19,907 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 08:04:19,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:04:19,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 08:04:19,907 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_108a8347-469b-4ec6-a143-6c13f44cbc32/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> c685955ff6c809f32f6abe44f773ce6a6ae39f94 [2018-12-09 08:04:19,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:04:19,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:04:19,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:04:19,935 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:04:19,935 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:04:19,936 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-12-09 08:04:19,974 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/data/4c287ff8c/065b578698ed4e4db52f0f4034031aa3/FLAG81887dbbb [2018-12-09 08:04:20,448 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:04:20,449 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/sv-benchmarks/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-12-09 08:04:20,457 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/data/4c287ff8c/065b578698ed4e4db52f0f4034031aa3/FLAG81887dbbb [2018-12-09 08:04:20,467 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/data/4c287ff8c/065b578698ed4e4db52f0f4034031aa3 [2018-12-09 08:04:20,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:04:20,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:04:20,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:04:20,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:04:20,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:04:20,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4aa86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20, skipping insertion in model container [2018-12-09 08:04:20,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:04:20,497 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:04:20,639 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:04:20,646 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:04:20,710 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:04:20,740 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:04:20,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20 WrapperNode [2018-12-09 08:04:20,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:04:20,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:04:20,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:04:20,740 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:04:20,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:04:20,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:04:20,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:04:20,758 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:04:20,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... [2018-12-09 08:04:20,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:04:20,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:04:20,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:04:20,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:04:20,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/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 [2018-12-09 08:04:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:04:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 08:04:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 08:04:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 08:04:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 08:04:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 08:04:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 08:04:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 08:04:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-12-09 08:04:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-12-09 08:04:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:04:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:04:20,953 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:04:20,953 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 08:04:20,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:20 BoogieIcfgContainer [2018-12-09 08:04:20,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:04:20,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 08:04:20,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 08:04:20,956 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 08:04:20,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:04:20" (1/3) ... [2018-12-09 08:04:20,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4b8c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:04:20, skipping insertion in model container [2018-12-09 08:04:20,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:20" (2/3) ... [2018-12-09 08:04:20,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4b8c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:04:20, skipping insertion in model container [2018-12-09 08:04:20,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:20" (3/3) ... [2018-12-09 08:04:20,958 INFO L112 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-12-09 08:04:20,965 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 08:04:20,970 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-12-09 08:04:20,983 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-12-09 08:04:20,999 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 08:04:20,999 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 08:04:20,999 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 08:04:20,999 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:04:20,999 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:04:20,999 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 08:04:20,999 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:04:20,999 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 08:04:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-12-09 08:04:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 08:04:21,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:21,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:21,014 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 08:04:21,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:21,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1912649692, now seen corresponding path program 1 times [2018-12-09 08:04:21,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:21,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:21,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:21,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:21,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 08:04:21,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:21,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 08:04:21,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 08:04:21,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 08:04:21,150 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 5 states. [2018-12-09 08:04:21,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:21,212 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-12-09 08:04:21,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 08:04:21,213 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-09 08:04:21,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:21,218 INFO L225 Difference]: With dead ends: 37 [2018-12-09 08:04:21,219 INFO L226 Difference]: Without dead ends: 34 [2018-12-09 08:04:21,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 08:04:21,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-09 08:04:21,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-12-09 08:04:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-09 08:04:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-12-09 08:04:21,241 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 13 [2018-12-09 08:04:21,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:21,241 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-12-09 08:04:21,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 08:04:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-12-09 08:04:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 08:04:21,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:21,241 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:21,242 INFO L423 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 08:04:21,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:21,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1912649693, now seen corresponding path program 1 times [2018-12-09 08:04:21,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:21,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:21,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,243 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:21,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:21,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 08:04:21,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:21,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 08:04:21,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 08:04:21,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 08:04:21,287 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 6 states. [2018-12-09 08:04:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:21,322 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-12-09 08:04:21,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 08:04:21,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-12-09 08:04:21,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:21,324 INFO L225 Difference]: With dead ends: 48 [2018-12-09 08:04:21,324 INFO L226 Difference]: Without dead ends: 48 [2018-12-09 08:04:21,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 08:04:21,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-09 08:04:21,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2018-12-09 08:04:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-09 08:04:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-12-09 08:04:21,328 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-12-09 08:04:21,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:21,328 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-12-09 08:04:21,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 08:04:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-12-09 08:04:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 08:04:21,329 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:21,329 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:21,329 INFO L423 AbstractCegarLoop]: === Iteration 3 === [bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 08:04:21,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:21,329 INFO L82 PathProgramCache]: Analyzing trace with hash -607310241, now seen corresponding path program 1 times [2018-12-09 08:04:21,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:21,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:21,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,330 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:21,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:21,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 08:04:21,381 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:21,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 08:04:21,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 08:04:21,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 08:04:21,381 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2018-12-09 08:04:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:21,446 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2018-12-09 08:04:21,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 08:04:21,446 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-12-09 08:04:21,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:21,447 INFO L225 Difference]: With dead ends: 63 [2018-12-09 08:04:21,447 INFO L226 Difference]: Without dead ends: 63 [2018-12-09 08:04:21,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 08:04:21,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-09 08:04:21,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2018-12-09 08:04:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-09 08:04:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2018-12-09 08:04:21,451 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 13 [2018-12-09 08:04:21,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:21,451 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2018-12-09 08:04:21,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 08:04:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2018-12-09 08:04:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 08:04:21,452 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:21,452 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:21,452 INFO L423 AbstractCegarLoop]: === Iteration 4 === [bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 08:04:21,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:21,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1646748327, now seen corresponding path program 1 times [2018-12-09 08:04:21,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:21,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:21,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:21,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:21,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 08:04:21,505 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:21,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 08:04:21,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 08:04:21,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 08:04:21,506 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand 7 states. [2018-12-09 08:04:21,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:21,569 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2018-12-09 08:04:21,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 08:04:21,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-12-09 08:04:21,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:21,570 INFO L225 Difference]: With dead ends: 45 [2018-12-09 08:04:21,570 INFO L226 Difference]: Without dead ends: 45 [2018-12-09 08:04:21,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 08:04:21,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-09 08:04:21,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2018-12-09 08:04:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 08:04:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-12-09 08:04:21,573 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 14 [2018-12-09 08:04:21,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:21,573 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-12-09 08:04:21,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 08:04:21,574 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-12-09 08:04:21,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 08:04:21,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:21,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:21,574 INFO L423 AbstractCegarLoop]: === Iteration 5 === [bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 08:04:21,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:21,575 INFO L82 PathProgramCache]: Analyzing trace with hash -190397103, now seen corresponding path program 1 times [2018-12-09 08:04:21,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:21,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:21,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:21,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:21,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 08:04:21,595 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:21,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 08:04:21,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 08:04:21,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 08:04:21,596 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 5 states. [2018-12-09 08:04:21,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:21,614 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-12-09 08:04:21,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 08:04:21,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-12-09 08:04:21,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:21,615 INFO L225 Difference]: With dead ends: 62 [2018-12-09 08:04:21,616 INFO L226 Difference]: Without dead ends: 58 [2018-12-09 08:04:21,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 08:04:21,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-09 08:04:21,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2018-12-09 08:04:21,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 08:04:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2018-12-09 08:04:21,619 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 15 [2018-12-09 08:04:21,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:21,619 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2018-12-09 08:04:21,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 08:04:21,620 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2018-12-09 08:04:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 08:04:21,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:21,620 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:21,621 INFO L423 AbstractCegarLoop]: === Iteration 6 === [bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 08:04:21,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:21,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1415626532, now seen corresponding path program 1 times [2018-12-09 08:04:21,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:21,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:21,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,622 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 08:04:21,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:21,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:21,652 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:21,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 08:04:21,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 08:04:21,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 08:04:21,653 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 4 states. [2018-12-09 08:04:21,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:21,688 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2018-12-09 08:04:21,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 08:04:21,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-12-09 08:04:21,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:21,689 INFO L225 Difference]: With dead ends: 40 [2018-12-09 08:04:21,689 INFO L226 Difference]: Without dead ends: 27 [2018-12-09 08:04:21,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 08:04:21,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-09 08:04:21,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-12-09 08:04:21,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-12-09 08:04:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2018-12-09 08:04:21,691 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 18 [2018-12-09 08:04:21,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:21,691 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2018-12-09 08:04:21,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 08:04:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-12-09 08:04:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 08:04:21,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:21,692 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:21,692 INFO L423 AbstractCegarLoop]: === Iteration 7 === [bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 08:04:21,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:21,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1692442500, now seen corresponding path program 1 times [2018-12-09 08:04:21,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:21,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:21,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:21,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:21,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:21,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 08:04:21,721 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:21,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 08:04:21,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 08:04:21,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 08:04:21,722 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 5 states. [2018-12-09 08:04:21,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:21,757 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-12-09 08:04:21,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 08:04:21,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-12-09 08:04:21,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:21,758 INFO L225 Difference]: With dead ends: 36 [2018-12-09 08:04:21,758 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 08:04:21,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-12-09 08:04:21,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 08:04:21,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 08:04:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 08:04:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 08:04:21,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-12-09 08:04:21,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:21,759 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 08:04:21,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 08:04:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 08:04:21,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 08:04:21,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:04:21 BoogieIcfgContainer [2018-12-09 08:04:21,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 08:04:21,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:04:21,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:04:21,763 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:04:21,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:20" (3/4) ... [2018-12-09 08:04:21,765 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 08:04:21,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bubbleSort [2018-12-09 08:04:21,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 08:04:21,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 08:04:21,772 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-09 08:04:21,772 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 08:04:21,772 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 08:04:21,800 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_108a8347-469b-4ec6-a143-6c13f44cbc32/bin-2019/utaipan/witness.graphml [2018-12-09 08:04:21,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:04:21,801 INFO L168 Benchmark]: Toolchain (without parser) took 1331.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.0 MB in the beginning and 956.2 MB in the end (delta: -9.2 MB). Peak memory consumption was 136.0 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:21,802 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:04:21,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:21,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.74 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. [2018-12-09 08:04:21,803 INFO L168 Benchmark]: Boogie Preprocessor took 16.90 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. [2018-12-09 08:04:21,803 INFO L168 Benchmark]: RCFGBuilder took 177.82 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:21,804 INFO L168 Benchmark]: TraceAbstraction took 808.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.2 MB in the end (delta: 148.4 MB). Peak memory consumption was 148.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:21,804 INFO L168 Benchmark]: Witness Printer took 37.95 ms. Allocated memory is still 1.2 GB. Free memory is still 956.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:04:21,805 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.74 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. * Boogie Preprocessor took 16.90 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 177.82 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 808.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.2 MB in the end (delta: 148.4 MB). Peak memory consumption was 148.4 MB. Max. memory is 11.5 GB. * Witness Printer took 37.95 ms. Allocated memory is still 1.2 GB. Free memory is still 956.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 43 locations, 13 error locations. SAFE Result, 0.7s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 285 SDslu, 307 SDs, 0 SdLazy, 286 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=3, 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: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 43 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 5092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...