./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/locks/test_locks_14_false-unreach-call_true-valid-memsafety_false-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_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14_false-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/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 4c4a63b42b00dbfea9a5b040626d99ec84a4e61b ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:37:54,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:37:54,953 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:37:54,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:37:54,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:37:54,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:37:54,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:37:54,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:37:54,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:37:54,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:37:54,966 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:37:54,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:37:54,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:37:54,967 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:37:54,968 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:37:54,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:37:54,969 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:37:54,970 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:37:54,972 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:37:54,973 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:37:54,973 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:37:54,974 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:37:54,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:37:54,976 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:37:54,976 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:37:54,977 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:37:54,978 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:37:54,978 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:37:54,979 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:37:54,980 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:37:54,980 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:37:54,980 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:37:54,980 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:37:54,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:37:54,981 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:37:54,982 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:37:54,982 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-10 10:37:54,992 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:37:54,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:37:54,993 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:37:54,993 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:37:54,993 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:37:54,993 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:37:54,993 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:37:54,993 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:37:54,994 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:37:54,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:37:54,994 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:37:54,994 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:37:54,994 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:37:54,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:37:54,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:37:54,995 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:37:54,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:37:54,995 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:37:54,995 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:37:54,995 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 10:37:54,996 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 10:37:54,996 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 10:37:54,996 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:37:54,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:37:54,996 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:37:54,996 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:37:54,996 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:37:54,997 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:37:54,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:37:54,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:37:54,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:37:54,997 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:37:54,997 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:37:54,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:37:54,997 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_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/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 -> 4c4a63b42b00dbfea9a5b040626d99ec84a4e61b [2018-11-10 10:37:55,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:37:55,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:37:55,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:37:55,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:37:55,034 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:37:55,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/../../sv-benchmarks/c/locks/test_locks_14_false-unreach-call_true-valid-memsafety_false-termination.c [2018-11-10 10:37:55,075 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/data/a18fc9d1a/d6a8e564ddea494c839389a79f2659b9/FLAG4bfd6379a [2018-11-10 10:37:55,469 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:37:55,470 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/sv-benchmarks/c/locks/test_locks_14_false-unreach-call_true-valid-memsafety_false-termination.c [2018-11-10 10:37:55,477 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/data/a18fc9d1a/d6a8e564ddea494c839389a79f2659b9/FLAG4bfd6379a [2018-11-10 10:37:55,486 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/data/a18fc9d1a/d6a8e564ddea494c839389a79f2659b9 [2018-11-10 10:37:55,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:37:55,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:37:55,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:37:55,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:37:55,492 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:37:55,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50020d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55, skipping insertion in model container [2018-11-10 10:37:55,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:37:55,516 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:37:55,629 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:37:55,632 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:37:55,654 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:37:55,663 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:37:55,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55 WrapperNode [2018-11-10 10:37:55,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:37:55,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:37:55,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:37:55,664 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:37:55,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:37:55,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:37:55,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:37:55,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:37:55,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... [2018-11-10 10:37:55,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:37:55,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:37:55,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:37:55,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:37:55,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:37:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:37:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:37:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:37:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:37:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:37:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:37:56,011 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:37:56,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:37:56 BoogieIcfgContainer [2018-11-10 10:37:56,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:37:56,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:37:56,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:37:56,015 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:37:56,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:37:55" (1/3) ... [2018-11-10 10:37:56,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c88a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:37:56, skipping insertion in model container [2018-11-10 10:37:56,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:37:55" (2/3) ... [2018-11-10 10:37:56,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c88a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:37:56, skipping insertion in model container [2018-11-10 10:37:56,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:37:56" (3/3) ... [2018-11-10 10:37:56,018 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_14_false-unreach-call_true-valid-memsafety_false-termination.c [2018-11-10 10:37:56,026 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:37:56,033 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-10 10:37:56,047 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-10 10:37:56,070 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:37:56,070 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-10 10:37:56,070 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:37:56,070 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:37:56,071 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:37:56,071 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:37:56,071 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:37:56,071 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:37:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-11-10 10:37:56,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:37:56,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:37:56 BoogieIcfgContainer [2018-11-10 10:37:56,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:37:56,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:37:56,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:37:56,097 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:37:56,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:37:56" (3/4) ... [2018-11-10 10:37:56,100 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:37:56,107 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:37:56,107 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:37:56,113 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 10:37:56,113 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 10:37:56,113 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:37:56,165 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9aee2b5f-ec7c-4a63-909d-6b714a4ecd1d/bin-2019/utaipan/witness.graphml [2018-11-10 10:37:56,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:37:56,166 INFO L168 Benchmark]: Toolchain (without parser) took 676.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 963.8 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:37:56,167 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:37:56,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.48 ms. Allocated memory is still 1.0 GB. Free memory was 963.8 MB in the beginning and 947.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:37:56,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.82 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:37:56,168 INFO L168 Benchmark]: Boogie Preprocessor took 20.75 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:37:56,168 INFO L168 Benchmark]: RCFGBuilder took 312.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:37:56,168 INFO L168 Benchmark]: TraceAbstraction took 84.26 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:37:56,169 INFO L168 Benchmark]: Witness Printer took 69.21 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:37:56,170 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.48 ms. Allocated memory is still 1.0 GB. Free memory was 963.8 MB in the beginning and 947.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.82 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.75 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 312.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 84.26 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 69.21 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 56 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...