./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/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 09aab7ee021274328a236afeda27749aba561ee0 ............................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:46:36,641 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:46:36,643 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:46:36,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:46:36,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:46:36,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:46:36,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:46:36,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:46:36,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:46:36,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:46:36,663 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:46:36,663 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:46:36,664 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:46:36,664 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:46:36,665 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:46:36,666 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:46:36,667 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:46:36,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:46:36,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:46:36,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:46:36,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:46:36,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:46:36,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:46:36,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:46:36,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:46:36,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:46:36,676 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:46:36,677 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:46:36,677 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:46:36,678 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:46:36,678 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:46:36,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:46:36,679 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:46:36,679 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:46:36,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:46:36,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:46:36,681 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-10-27 04:46:36,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:46:36,701 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:46:36,702 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:46:36,703 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:46:36,703 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:46:36,703 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:46:36,703 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:46:36,703 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:46:36,703 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:46:36,704 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:46:36,704 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:46:36,705 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:46:36,705 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:46:36,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:46:36,706 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:46:36,706 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:46:36,706 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:46:36,706 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:46:36,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:46:36,706 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:46:36,706 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:46:36,707 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:46:36,707 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:46:36,707 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:46:36,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:46:36,707 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:46:36,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:46:36,707 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:46:36,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:46:36,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:46:36,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:46:36,708 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:46:36,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:46:36,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:46:36,709 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_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/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 -> 09aab7ee021274328a236afeda27749aba561ee0 [2018-10-27 04:46:36,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:46:36,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:46:36,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:46:36,763 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:46:36,763 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:46:36,766 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c [2018-10-27 04:46:36,820 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/data/90959fc65/91b903b6ffff4966ad68169658c0fa15/FLAGa5c8a7e49 [2018-10-27 04:46:37,154 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:46:37,155 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c [2018-10-27 04:46:37,161 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/data/90959fc65/91b903b6ffff4966ad68169658c0fa15/FLAGa5c8a7e49 [2018-10-27 04:46:37,171 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/data/90959fc65/91b903b6ffff4966ad68169658c0fa15 [2018-10-27 04:46:37,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:46:37,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:46:37,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:37,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:46:37,178 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:46:37,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f9b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37, skipping insertion in model container [2018-10-27 04:46:37,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:46:37,204 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:46:37,329 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:37,342 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:46:37,357 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:37,372 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:46:37,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37 WrapperNode [2018-10-27 04:46:37,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:37,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:37,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:46:37,373 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:46:37,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:37,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:46:37,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:46:37,406 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:46:37,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... [2018-10-27 04:46:37,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:46:37,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:46:37,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:46:37,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:46:37,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/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 [2018-10-27 04:46:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:46:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:46:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:46:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:46:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:46:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:46:37,864 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:46:37,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:37 BoogieIcfgContainer [2018-10-27 04:46:37,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:46:37,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:46:37,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:46:37,871 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:46:37,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:46:37" (1/3) ... [2018-10-27 04:46:37,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220e62fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:37, skipping insertion in model container [2018-10-27 04:46:37,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:37" (2/3) ... [2018-10-27 04:46:37,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220e62fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:37, skipping insertion in model container [2018-10-27 04:46:37,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:37" (3/3) ... [2018-10-27 04:46:37,874 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization_true-valid-memsafety_true-termination.c [2018-10-27 04:46:37,884 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:46:37,890 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 04:46:37,905 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 04:46:37,929 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:46:37,929 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:46:37,929 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:46:37,929 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:46:37,929 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:46:37,929 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:46:37,929 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:46:37,930 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:46:37,942 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-10-27 04:46:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 04:46:37,951 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:37,952 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:37,954 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-10-27 04:46:37,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:37,960 INFO L82 PathProgramCache]: Analyzing trace with hash 254106603, now seen corresponding path program 1 times [2018-10-27 04:46:37,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:38,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:38,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:38,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:38,005 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:38,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:38,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-10-27 04:46:38,118 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:38,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 04:46:38,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 04:46:38,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 04:46:38,139 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2018-10-27 04:46:38,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:38,162 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2018-10-27 04:46:38,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 04:46:38,163 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2018-10-27 04:46:38,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:38,169 INFO L225 Difference]: With dead ends: 10 [2018-10-27 04:46:38,171 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 04:46:38,173 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 04:46:38,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 04:46:38,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 04:46:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 04:46:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 04:46:38,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-10-27 04:46:38,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:38,197 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 04:46:38,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 04:46:38,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 04:46:38,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 04:46:38,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:46:38 BoogieIcfgContainer [2018-10-27 04:46:38,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 04:46:38,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 04:46:38,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 04:46:38,206 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 04:46:38,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:37" (3/4) ... [2018-10-27 04:46:38,209 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 04:46:38,220 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 04:46:38,221 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 04:46:38,225 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-27 04:46:38,226 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-27 04:46:38,227 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 04:46:38,308 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04d0cb2e-3c4d-4fe6-82ba-306feffb0c2b/bin-2019/utaipan/witness.graphml [2018-10-27 04:46:38,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 04:46:38,309 INFO L168 Benchmark]: Toolchain (without parser) took 1135.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:38,310 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:46:38,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:38,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.64 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:38,312 INFO L168 Benchmark]: Boogie Preprocessor took 22.72 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:38,312 INFO L168 Benchmark]: RCFGBuilder took 436.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 938.3 MB in the beginning and 1.2 GB in the end (delta: -230.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:38,312 INFO L168 Benchmark]: TraceAbstraction took 339.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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. [2018-10-27 04:46:38,313 INFO L168 Benchmark]: Witness Printer took 103.35 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:38,314 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.64 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.72 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 436.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 938.3 MB in the beginning and 1.2 GB in the end (delta: -230.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 339.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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. * Witness Printer took 103.35 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 11 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...