./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_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_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/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 6d2107e4b8fe6ebcfe5d91ac4e8af987a88724fd ............................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/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 6d2107e4b8fe6ebcfe5d91ac4e8af987a88724fd .................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:08:18,633 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:08:18,634 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:08:18,640 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:08:18,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:08:18,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:08:18,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:08:18,641 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:08:18,642 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:08:18,643 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:08:18,643 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:08:18,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:08:18,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:08:18,644 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:08:18,645 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:08:18,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:08:18,645 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:08:18,646 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:08:18,647 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:08:18,648 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:08:18,648 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:08:18,649 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:08:18,650 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:08:18,650 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:08:18,650 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:08:18,650 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:08:18,651 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:08:18,651 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:08:18,652 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:08:18,652 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:08:18,652 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:08:18,653 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:08:18,653 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:08:18,653 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:08:18,653 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:08:18,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:08:18,654 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-03 07:08:18,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:08:18,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:08:18,661 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:08:18,661 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:08:18,661 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:08:18,661 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:08:18,662 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:08:18,662 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:08:18,662 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:08:18,662 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:08:18,662 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:08:18,662 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:08:18,662 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:08:18,662 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 07:08:18,662 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 07:08:18,663 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:08:18,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:08:18,663 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:08:18,664 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:08:18,664 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:08:18,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:08:18,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:08:18,664 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:08:18,664 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:08:18,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:08:18,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:08:18,664 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_7878c1a0-52bf-4c50-98b3-ad7f18403607/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 -> 6d2107e4b8fe6ebcfe5d91ac4e8af987a88724fd [2018-12-03 07:08:18,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:08:18,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:08:18,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:08:18,690 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:08:18,691 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:08:18,691 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-03 07:08:18,726 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data/34cdbfb9d/d87023da9160450b9a8da9fbb2498225/FLAG12dd28035 [2018-12-03 07:08:19,039 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:08:19,040 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-03 07:08:19,047 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data/34cdbfb9d/d87023da9160450b9a8da9fbb2498225/FLAG12dd28035 [2018-12-03 07:08:19,055 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data/34cdbfb9d/d87023da9160450b9a8da9fbb2498225 [2018-12-03 07:08:19,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:08:19,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:08:19,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:08:19,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:08:19,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:08:19,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720ba8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19, skipping insertion in model container [2018-12-03 07:08:19,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:08:19,088 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:08:19,302 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:08:19,311 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:08:19,344 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:08:19,376 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:08:19,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19 WrapperNode [2018-12-03 07:08:19,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:08:19,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:08:19,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:08:19,377 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:08:19,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:08:19,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:08:19,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:08:19,397 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:08:19,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... [2018-12-03 07:08:19,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:08:19,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:08:19,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:08:19,411 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:08:19,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/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 [2018-12-03 07:08:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2018-12-03 07:08:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2018-12-03 07:08:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 07:08:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-03 07:08:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-03 07:08:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:08:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:08:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2018-12-03 07:08:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2018-12-03 07:08:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:08:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:08:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-03 07:08:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-03 07:08:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-03 07:08:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:08:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:08:19,545 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:08:19,545 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 07:08:19,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:08:19 BoogieIcfgContainer [2018-12-03 07:08:19,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:08:19,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:08:19,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:08:19,547 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:08:19,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:08:19" (1/3) ... [2018-12-03 07:08:19,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb37f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:08:19, skipping insertion in model container [2018-12-03 07:08:19,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:19" (2/3) ... [2018-12-03 07:08:19,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb37f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:08:19, skipping insertion in model container [2018-12-03 07:08:19,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:08:19" (3/3) ... [2018-12-03 07:08:19,549 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-03 07:08:19,555 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:08:19,559 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:08:19,567 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:08:19,582 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:08:19,582 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-03 07:08:19,582 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:08:19,582 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:08:19,582 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:08:19,582 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:08:19,582 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:08:19,583 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:08:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-03 07:08:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 07:08:19,596 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:08:19,596 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:08:19,597 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-03 07:08:19,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:08:19,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1095585380, now seen corresponding path program 1 times [2018-12-03 07:08:19,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:08:19,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:08:19,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:08:19,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:08:19,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:08:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:08:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:08:19,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:08:19,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:08:19,723 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:08:19,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:08:19,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:08:19,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:08:19,735 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2018-12-03 07:08:19,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:08:19,762 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-12-03 07:08:19,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 07:08:19,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-03 07:08:19,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:08:19,770 INFO L225 Difference]: With dead ends: 35 [2018-12-03 07:08:19,770 INFO L226 Difference]: Without dead ends: 32 [2018-12-03 07:08:19,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:08:19,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-03 07:08:19,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2018-12-03 07:08:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-03 07:08:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-12-03 07:08:19,795 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2018-12-03 07:08:19,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:08:19,795 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-12-03 07:08:19,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:08:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-03 07:08:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 07:08:19,796 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:08:19,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:08:19,796 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-03 07:08:19,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:08:19,796 INFO L82 PathProgramCache]: Analyzing trace with hash -701365979, now seen corresponding path program 1 times [2018-12-03 07:08:19,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:08:19,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:08:19,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:08:19,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:08:19,798 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:08:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:08:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:08:19,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:08:19,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 07:08:19,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:08:19,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:08:19,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:08:19,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:08:19,829 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2018-12-03 07:08:19,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:08:19,860 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-12-03 07:08:19,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:08:19,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-03 07:08:19,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:08:19,861 INFO L225 Difference]: With dead ends: 36 [2018-12-03 07:08:19,861 INFO L226 Difference]: Without dead ends: 25 [2018-12-03 07:08:19,862 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:08:19,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-03 07:08:19,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-03 07:08:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-03 07:08:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-12-03 07:08:19,864 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2018-12-03 07:08:19,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:08:19,864 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-12-03 07:08:19,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:08:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-12-03 07:08:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-03 07:08:19,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:08:19,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:08:19,865 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-03 07:08:19,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:08:19,865 INFO L82 PathProgramCache]: Analyzing trace with hash 153789217, now seen corresponding path program 1 times [2018-12-03 07:08:19,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:08:19,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:08:19,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:08:19,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:08:19,866 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:08:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:08:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:08:19,907 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 07:08:19,914 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-03 07:08:19,920 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-03 07:08:19,920 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-03 07:08:19,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:08:19 BoogieIcfgContainer [2018-12-03 07:08:19,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:08:19,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:08:19,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:08:19,927 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:08:19,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:08:19" (3/4) ... [2018-12-03 07:08:19,929 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 07:08:19,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:08:19,929 INFO L168 Benchmark]: Toolchain (without parser) took 872.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -62.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:19,930 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:08:19,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:19,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:19,932 INFO L168 Benchmark]: Boogie Preprocessor took 13.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:08:19,932 INFO L168 Benchmark]: RCFGBuilder took 134.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:19,932 INFO L168 Benchmark]: TraceAbstraction took 380.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:19,933 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:08:19,935 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 134.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 380.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1468]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1468. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1441] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=21, \old(saved_device_20)=20, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1469] CALL entry_point() VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1463] CALL alloc_20() VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1456] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, \old(size)=16, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, \old(size)=16, \result={23:0}, ldv_global_msg_list={22:0}, malloc(size)={23:0}, saved_device_20={0:0}, size=16] [L1456] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, ldv_malloc(sizeof(struct A20))={23:0}, saved_device_20={0:0}] [L1456] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L1457] COND TRUE \read(*p) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, p={23:0}, saved_device_20={0:0}] [L1458] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, dev={23:4}, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1444] saved_device_20 = dev VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, dev={23:4}, dev={23:4}, ldv_global_msg_list={22:0}, saved_device_20={23:4}] [L1458] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, p={23:0}, saved_device_20={23:4}] [L1463] RET alloc_20() VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={23:4}] [L1465] saved_device_20 = 0 VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1469] RET entry_point() VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, 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, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:08:21,252 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:08:21,254 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:08:21,261 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:08:21,261 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:08:21,262 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:08:21,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:08:21,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:08:21,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:08:21,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:08:21,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:08:21,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:08:21,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:08:21,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:08:21,269 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:08:21,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:08:21,270 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:08:21,271 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:08:21,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:08:21,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:08:21,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:08:21,275 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:08:21,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:08:21,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:08:21,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:08:21,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:08:21,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:08:21,279 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:08:21,280 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:08:21,280 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:08:21,280 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:08:21,281 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:08:21,281 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:08:21,281 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:08:21,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:08:21,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:08:21,283 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-03 07:08:21,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:08:21,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:08:21,294 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:08:21,294 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:08:21,294 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:08:21,294 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:08:21,294 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:08:21,295 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:08:21,295 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:08:21,295 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:08:21,295 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 07:08:21,295 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 07:08:21,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:08:21,296 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:08:21,296 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 07:08:21,296 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:08:21,296 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:08:21,296 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:08:21,296 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-03 07:08:21,296 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-03 07:08:21,296 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 07:08:21,297 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:08:21,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:08:21,297 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:08:21,298 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:08:21,298 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 07:08:21,298 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:08:21,298 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 07:08:21,298 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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_7878c1a0-52bf-4c50-98b3-ad7f18403607/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 -> 6d2107e4b8fe6ebcfe5d91ac4e8af987a88724fd [2018-12-03 07:08:21,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:08:21,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:08:21,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:08:21,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:08:21,335 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:08:21,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-03 07:08:21,375 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data/b074653f8/fc5c723b17ae4014abe108c81e4c63db/FLAGcfd0c5e9c [2018-12-03 07:08:21,809 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:08:21,809 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-03 07:08:21,816 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data/b074653f8/fc5c723b17ae4014abe108c81e4c63db/FLAGcfd0c5e9c [2018-12-03 07:08:21,824 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/data/b074653f8/fc5c723b17ae4014abe108c81e4c63db [2018-12-03 07:08:21,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:08:21,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:08:21,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:08:21,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:08:21,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:08:21,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:08:21" (1/1) ... [2018-12-03 07:08:21,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:21, skipping insertion in model container [2018-12-03 07:08:21,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:08:21" (1/1) ... [2018-12-03 07:08:21,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:08:21,863 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:08:22,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:08:22,085 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:08:22,164 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:08:22,198 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:08:22,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22 WrapperNode [2018-12-03 07:08:22,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:08:22,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:08:22,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:08:22,199 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:08:22,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:08:22,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:08:22,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:08:22,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:08:22,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... [2018-12-03 07:08:22,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:08:22,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:08:22,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:08:22,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:08:22,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/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 [2018-12-03 07:08:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2018-12-03 07:08:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2018-12-03 07:08:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 07:08:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-03 07:08:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-03 07:08:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:08:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:08:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2018-12-03 07:08:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2018-12-03 07:08:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:08:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:08:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-03 07:08:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-03 07:08:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-03 07:08:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:08:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:08:22,399 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:08:22,399 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 07:08:22,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:08:22 BoogieIcfgContainer [2018-12-03 07:08:22,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:08:22,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:08:22,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:08:22,403 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:08:22,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:08:21" (1/3) ... [2018-12-03 07:08:22,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c323e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:08:22, skipping insertion in model container [2018-12-03 07:08:22,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:08:22" (2/3) ... [2018-12-03 07:08:22,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c323e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:08:22, skipping insertion in model container [2018-12-03 07:08:22,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:08:22" (3/3) ... [2018-12-03 07:08:22,405 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-03 07:08:22,413 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:08:22,418 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:08:22,427 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:08:22,441 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 07:08:22,442 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:08:22,442 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-03 07:08:22,442 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:08:22,442 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:08:22,442 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:08:22,442 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:08:22,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:08:22,443 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:08:22,452 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-03 07:08:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 07:08:22,460 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:08:22,461 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:08:22,462 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-03 07:08:22,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:08:22,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1095585380, now seen corresponding path program 1 times [2018-12-03 07:08:22,469 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-03 07:08:22,470 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-03 07:08:22,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:08:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:08:22,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:08:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:08:22,576 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 07:08:22,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:08:22,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:08:22,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:08:22,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:08:22,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:08:22,591 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2018-12-03 07:08:22,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:08:22,616 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-12-03 07:08:22,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 07:08:22,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-03 07:08:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:08:22,624 INFO L225 Difference]: With dead ends: 35 [2018-12-03 07:08:22,624 INFO L226 Difference]: Without dead ends: 32 [2018-12-03 07:08:22,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:08:22,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-03 07:08:22,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2018-12-03 07:08:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-03 07:08:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-12-03 07:08:22,650 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2018-12-03 07:08:22,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:08:22,650 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-12-03 07:08:22,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:08:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-03 07:08:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 07:08:22,651 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:08:22,651 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:08:22,651 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-03 07:08:22,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:08:22,651 INFO L82 PathProgramCache]: Analyzing trace with hash -701365979, now seen corresponding path program 1 times [2018-12-03 07:08:22,652 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-03 07:08:22,652 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-03 07:08:22,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:08:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:08:22,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:08:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:08:22,705 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 07:08:22,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:08:22,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 07:08:22,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:08:22,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:08:22,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:08:22,708 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2018-12-03 07:08:22,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:08:22,741 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-12-03 07:08:22,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:08:22,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-03 07:08:22,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:08:22,742 INFO L225 Difference]: With dead ends: 36 [2018-12-03 07:08:22,742 INFO L226 Difference]: Without dead ends: 25 [2018-12-03 07:08:22,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:08:22,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-03 07:08:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-03 07:08:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-03 07:08:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-12-03 07:08:22,745 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2018-12-03 07:08:22,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:08:22,745 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-12-03 07:08:22,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:08:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-12-03 07:08:22,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-03 07:08:22,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:08:22,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:08:22,746 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-03 07:08:22,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:08:22,746 INFO L82 PathProgramCache]: Analyzing trace with hash 153789217, now seen corresponding path program 1 times [2018-12-03 07:08:22,747 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-03 07:08:22,747 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7878c1a0-52bf-4c50-98b3-ad7f18403607/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-03 07:08:22,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:08:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:08:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:08:22,892 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 07:08:22,904 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-03 07:08:22,912 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,912 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-03 07:08:22,913 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,913 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-03 07:08:22,913 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,914 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,914 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,914 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,915 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,915 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,916 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,916 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,917 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,917 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,917 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,917 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,918 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,918 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,918 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,919 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,919 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,919 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,920 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,920 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,920 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,920 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,921 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,921 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-03 07:08:22,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:08:22 BoogieIcfgContainer [2018-12-03 07:08:22,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:08:22,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:08:22,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:08:22,926 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:08:22,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:08:22" (3/4) ... [2018-12-03 07:08:22,929 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 07:08:22,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:08:22,930 INFO L168 Benchmark]: Toolchain (without parser) took 1103.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -62.1 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:22,931 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:08:22,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:22,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.15 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. [2018-12-03 07:08:22,932 INFO L168 Benchmark]: Boogie Preprocessor took 14.52 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. [2018-12-03 07:08:22,932 INFO L168 Benchmark]: RCFGBuilder took 165.07 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:22,933 INFO L168 Benchmark]: TraceAbstraction took 526.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2018-12-03 07:08:22,933 INFO L168 Benchmark]: Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:08:22,934 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.15 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 14.52 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 165.07 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 526.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1468]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1468. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1441] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1469] CALL entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1463] CALL alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1456] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, \result={1082401:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, saved_device_20={0:0}, size=16] [L1456] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(struct A20))={1082401:0}, saved_device_20={0:0}] [L1456] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L1457] COND TRUE \read(*p) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, p={1082401:0}, saved_device_20={0:0}] [L1458] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1082401:4}, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1444] saved_device_20 = dev VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1082401:4}, dev={1082401:4}, ldv_global_msg_list={-2146401247:0}, saved_device_20={1082401:4}] [L1458] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, p={1082401:0}, saved_device_20={1082401:4}] [L1463] RET alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={1082401:4}] [L1465] saved_device_20 = 0 VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1469] RET entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, 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, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520 SizeOfPredicates, 1 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...