./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1_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_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/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 780d95b12f9f5c3481370e69d3f5708919cdeb04 ............................................................................................................................................................................................................................................................................. 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_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/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 780d95b12f9f5c3481370e69d3f5708919cdeb04 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:12:38,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:12:38,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:12:38,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:12:38,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:12:38,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:12:38,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:12:38,451 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:12:38,452 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:12:38,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:12:38,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:12:38,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:12:38,453 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:12:38,454 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:12:38,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:12:38,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:12:38,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:12:38,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:12:38,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:12:38,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:12:38,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:12:38,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:12:38,460 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:12:38,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:12:38,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:12:38,460 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:12:38,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:12:38,461 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:12:38,462 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:12:38,462 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:12:38,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:12:38,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:12:38,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:12:38,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:12:38,463 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:12:38,463 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:12:38,464 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-02 13:12:38,471 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:12:38,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:12:38,471 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:12:38,471 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:12:38,471 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:12:38,471 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:12:38,472 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:12:38,472 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:12:38,472 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:12:38,472 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:12:38,472 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:12:38,472 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:12:38,472 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:12:38,472 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:12:38,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 13:12:38,473 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:12:38,474 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:12:38,474 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:12:38,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:12:38,475 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_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/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 -> 780d95b12f9f5c3481370e69d3f5708919cdeb04 [2018-12-02 13:12:38,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:12:38,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:12:38,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:12:38,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:12:38,501 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:12:38,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-memtrack_true-termination.i [2018-12-02 13:12:38,536 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data/b7e89ca2c/30074ca2125a4ef390a1d62b1070755a/FLAG2af6f9d65 [2018-12-02 13:12:38,973 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:12:38,974 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-memtrack_true-termination.i [2018-12-02 13:12:38,981 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data/b7e89ca2c/30074ca2125a4ef390a1d62b1070755a/FLAG2af6f9d65 [2018-12-02 13:12:38,989 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data/b7e89ca2c/30074ca2125a4ef390a1d62b1070755a [2018-12-02 13:12:38,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:12:38,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:12:38,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:12:38,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:12:38,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:12:38,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:38" (1/1) ... [2018-12-02 13:12:38,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf3e0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:38, skipping insertion in model container [2018-12-02 13:12:38,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:38" (1/1) ... [2018-12-02 13:12:39,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:12:39,023 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:12:39,230 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:12:39,239 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:12:39,273 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:12:39,304 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:12:39,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39 WrapperNode [2018-12-02 13:12:39,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:12:39,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:12:39,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:12:39,305 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:12:39,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:12:39,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:12:39,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:12:39,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:12:39,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... [2018-12-02 13:12:39,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:12:39,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:12:39,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:12:39,338 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:12:39,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/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 [2018-12-02 13:12:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:12:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 13:12:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 13:12:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:12:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:12:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:12:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:12:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 13:12:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 13:12:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 13:12:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:12:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:12:39,478 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:12:39,478 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 13:12:39,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:39 BoogieIcfgContainer [2018-12-02 13:12:39,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:12:39,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:12:39,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:12:39,481 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:12:39,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:12:38" (1/3) ... [2018-12-02 13:12:39,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f83b9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:39, skipping insertion in model container [2018-12-02 13:12:39,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:39" (2/3) ... [2018-12-02 13:12:39,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f83b9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:39, skipping insertion in model container [2018-12-02 13:12:39,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:39" (3/3) ... [2018-12-02 13:12:39,483 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test1_false-valid-memtrack_true-termination.i [2018-12-02 13:12:39,488 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:12:39,492 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:12:39,501 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:12:39,515 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:12:39,515 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 13:12:39,516 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:12:39,516 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:12:39,516 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:12:39,516 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:12:39,516 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:12:39,516 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:12:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-12-02 13:12:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 13:12:39,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:12:39,530 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:12:39,531 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-02 13:12:39,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:12:39,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1176709730, now seen corresponding path program 1 times [2018-12-02 13:12:39,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:12:39,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:12:39,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:12:39,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:12:39,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:12:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:12:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:12:39,629 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 13:12:39,638 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 13:12:39,643 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 13:12:39,643 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 13:12:39,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:12:39 BoogieIcfgContainer [2018-12-02 13:12:39,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:12:39,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:12:39,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:12:39,649 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:12:39,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:39" (3/4) ... [2018-12-02 13:12:39,651 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 13:12:39,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:12:39,652 INFO L168 Benchmark]: Toolchain (without parser) took 660.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -98.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:12:39,653 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. [2018-12-02 13:12:39,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:12:39,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.43 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. [2018-12-02 13:12:39,654 INFO L168 Benchmark]: Boogie Preprocessor took 12.10 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. [2018-12-02 13:12:39,654 INFO L168 Benchmark]: RCFGBuilder took 141.25 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:12:39,655 INFO L168 Benchmark]: TraceAbstraction took 168.90 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-12-02 13:12:39,655 INFO L168 Benchmark]: Witness Printer took 3.19 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. [2018-12-02 13:12:39,658 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 311.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.43 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 12.10 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 141.25 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 168.90 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.19 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 9 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 10 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: 1438]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1438. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={12:0}] [L1439] CALL entry_point() VAL [ldv_global_msg_list={12:0}] [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={12:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={14:0}, ldv_global_msg_list={12:0}, malloc(size)={14:0}, size=4] [L1435] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={12:0}, ldv_malloc(sizeof(int))={14:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1439] RET entry_point() VAL [ldv_global_msg_list={12:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2018-12-02 13:12:40,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:12:40,922 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:12:40,930 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:12:40,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:12:40,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:12:40,932 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:12:40,934 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:12:40,935 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:12:40,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:12:40,936 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:12:40,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:12:40,937 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:12:40,938 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:12:40,938 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:12:40,939 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:12:40,940 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:12:40,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:12:40,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:12:40,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:12:40,944 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:12:40,945 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:12:40,947 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:12:40,947 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:12:40,947 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:12:40,948 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:12:40,948 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:12:40,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:12:40,949 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:12:40,950 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:12:40,950 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:12:40,951 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:12:40,951 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:12:40,951 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:12:40,952 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:12:40,952 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:12:40,952 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-02 13:12:40,963 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:12:40,963 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:12:40,964 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:12:40,964 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:12:40,964 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:12:40,964 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:12:40,964 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:12:40,964 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:12:40,964 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:12:40,964 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:12:40,965 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:12:40,965 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:12:40,965 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:12:40,965 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:12:40,966 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 13:12:40,966 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:12:40,966 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:12:40,966 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:12:40,966 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 13:12:40,966 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 13:12:40,966 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 13:12:40,966 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:12:40,967 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 13:12:40,967 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 13:12:40,967 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:12:40,967 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:12:40,967 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:12:40,967 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:12:40,967 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:12:40,967 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:12:40,968 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:12:40,968 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:12:40,968 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:12:40,968 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 13:12:40,968 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:12:40,968 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 13:12:40,968 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_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/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 -> 780d95b12f9f5c3481370e69d3f5708919cdeb04 [2018-12-02 13:12:40,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:12:41,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:12:41,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:12:41,003 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:12:41,003 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:12:41,004 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-memtrack_true-termination.i [2018-12-02 13:12:41,041 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data/a3a2452f4/d8db82add6e54546a02ae7e559bc6d16/FLAG32e7943b9 [2018-12-02 13:12:41,492 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:12:41,493 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-memtrack_true-termination.i [2018-12-02 13:12:41,501 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data/a3a2452f4/d8db82add6e54546a02ae7e559bc6d16/FLAG32e7943b9 [2018-12-02 13:12:41,511 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/bin-2019/utaipan/data/a3a2452f4/d8db82add6e54546a02ae7e559bc6d16 [2018-12-02 13:12:41,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:12:41,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:12:41,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:12:41,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:12:41,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:12:41,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,521 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 02.12 01:12:41, skipping insertion in model container [2018-12-02 13:12:41,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:12:41,558 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:12:41,769 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:12:41,813 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:12:41,844 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:12:41,877 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:12:41,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41 WrapperNode [2018-12-02 13:12:41,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:12:41,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:12:41,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:12:41,878 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:12:41,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:12:41,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:12:41,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:12:41,899 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:12:41,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:12:41,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:12:41,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:12:41,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:12:41,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/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 [2018-12-02 13:12:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:12:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 13:12:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 13:12:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:12:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:12:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:12:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:12:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 13:12:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 13:12:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 13:12:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:12:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:12:42,054 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:12:42,054 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 13:12:42,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:42 BoogieIcfgContainer [2018-12-02 13:12:42,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:12:42,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:12:42,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:12:42,057 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:12:42,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:12:41" (1/3) ... [2018-12-02 13:12:42,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637901b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:42, skipping insertion in model container [2018-12-02 13:12:42,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:41" (2/3) ... [2018-12-02 13:12:42,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637901b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:42, skipping insertion in model container [2018-12-02 13:12:42,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:42" (3/3) ... [2018-12-02 13:12:42,058 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test1_false-valid-memtrack_true-termination.i [2018-12-02 13:12:42,064 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:12:42,068 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:12:42,077 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:12:42,091 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 13:12:42,091 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:12:42,091 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 13:12:42,091 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:12:42,091 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:12:42,091 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:12:42,091 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:12:42,091 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:12:42,092 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:12:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-12-02 13:12:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 13:12:42,105 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:12:42,106 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:12:42,107 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-02 13:12:42,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:12:42,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1176709730, now seen corresponding path program 1 times [2018-12-02 13:12:42,113 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 13:12:42,113 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a573a5e-96c2-4a8e-8aa5-489b49dbbc61/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 [2018-12-02 13:12:42,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:12:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:12:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:12:42,244 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 13:12:42,253 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 13:12:42,259 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# [2018-12-02 13:12:42,260 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# [2018-12-02 13:12:42,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:12:42 BoogieIcfgContainer [2018-12-02 13:12:42,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:12:42,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:12:42,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:12:42,266 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:12:42,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:42" (3/4) ... [2018-12-02 13:12:42,269 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 13:12:42,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:12:42,270 INFO L168 Benchmark]: Toolchain (without parser) took 756.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -110.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:12:42,271 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-02 13:12:42,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:12:42,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.89 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. [2018-12-02 13:12:42,272 INFO L168 Benchmark]: Boogie Preprocessor took 13.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:12:42,272 INFO L168 Benchmark]: RCFGBuilder took 142.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:12:42,273 INFO L168 Benchmark]: TraceAbstraction took 210.64 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: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:12:42,273 INFO L168 Benchmark]: Witness Printer took 3.50 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. [2018-12-02 13:12:42,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 362.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.89 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 13.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 142.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 210.64 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: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.50 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 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 STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1438]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1438. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2146401247:0}] [L1439] CALL entry_point() VAL [ldv_global_msg_list={-2146401247:0}] [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2146401247:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={1082401:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, size=4] [L1435] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(int))={1082401:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1439] RET entry_point() VAL [ldv_global_msg_list={-2146401247:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...