./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21_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_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/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 e4b7cfcfa6c3948b5dbd6b1b13ec55ada7526adf ................................................................................................................................................................................................................................................................................... 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_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/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 e4b7cfcfa6c3948b5dbd6b1b13ec55ada7526adf .......................................................................................................................................................................................................................................................................................... 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 01:55:04,842 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:55:04,843 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:55:04,849 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:55:04,850 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:55:04,850 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:55:04,851 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:55:04,852 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:55:04,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:55:04,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:55:04,853 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:55:04,853 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:55:04,854 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:55:04,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:55:04,855 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:55:04,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:55:04,856 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:55:04,856 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:55:04,857 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:55:04,858 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:55:04,858 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:55:04,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:55:04,860 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:55:04,860 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:55:04,860 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:55:04,861 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:55:04,861 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:55:04,862 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:55:04,862 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:55:04,863 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:55:04,863 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:55:04,863 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:55:04,863 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:55:04,863 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:55:04,864 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:55:04,864 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:55:04,864 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-03 01:55:04,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:55:04,872 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:55:04,872 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:55:04,872 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:55:04,872 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:55:04,873 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:55:04,873 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:55:04,873 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 01:55:04,873 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:55:04,873 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:55:04,873 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 01:55:04,873 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 01:55:04,873 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:55:04,874 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:55:04,874 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-03 01:55:04,874 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:55:04,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:55:04,875 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 01:55:04,875 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:55:04,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:55:04,876 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_0e458be0-753b-42dd-8116-30eed22c7c0e/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 -> e4b7cfcfa6c3948b5dbd6b1b13ec55ada7526adf [2018-12-03 01:55:04,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:55:04,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:55:04,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:55:04,902 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:55:04,902 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:55:04,902 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-03 01:55:04,937 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data/591a6ff95/6657b40a205340a4b95a587bed14a63a/FLAGbaa10c9db [2018-12-03 01:55:05,404 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:55:05,404 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-03 01:55:05,411 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data/591a6ff95/6657b40a205340a4b95a587bed14a63a/FLAGbaa10c9db [2018-12-03 01:55:05,420 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data/591a6ff95/6657b40a205340a4b95a587bed14a63a [2018-12-03 01:55:05,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:55:05,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:55:05,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:55:05,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:55:05,426 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:55:05,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33416e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05, skipping insertion in model container [2018-12-03 01:55:05,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:55:05,455 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:55:05,669 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:55:05,678 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:55:05,710 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:55:05,741 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:55:05,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05 WrapperNode [2018-12-03 01:55:05,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:55:05,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:55:05,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:55:05,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:55:05,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:55:05,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:55:05,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:55:05,763 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:55:05,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... [2018-12-03 01:55:05,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:55:05,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:55:05,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:55:05,777 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:55:05,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/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 01:55:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:55:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-03 01:55:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-03 01:55:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:55:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:55:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2018-12-03 01:55:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2018-12-03 01:55:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:55:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:55:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-03 01:55:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-03 01:55:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-03 01:55:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:55:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:55:05,914 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:55:05,914 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 01:55:05,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:05 BoogieIcfgContainer [2018-12-03 01:55:05,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:55:05,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:55:05,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:55:05,917 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:55:05,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:55:05" (1/3) ... [2018-12-03 01:55:05,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510d9c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:55:05, skipping insertion in model container [2018-12-03 01:55:05,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:05" (2/3) ... [2018-12-03 01:55:05,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510d9c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:55:05, skipping insertion in model container [2018-12-03 01:55:05,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:05" (3/3) ... [2018-12-03 01:55:05,919 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-03 01:55:05,925 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:55:05,930 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:55:05,940 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:55:05,955 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:55:05,955 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-03 01:55:05,955 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:55:05,956 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:55:05,956 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:55:05,956 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:55:05,956 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:55:05,956 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:55:05,964 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-12-03 01:55:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 01:55:05,970 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:55:05,971 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 01:55:05,972 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-03 01:55:05,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:55:05,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1321088767, now seen corresponding path program 1 times [2018-12-03 01:55:05,977 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:55:06,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:55:06,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:55:06,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:55:06,012 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:55:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:55:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:55:06,072 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 01:55:06,079 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-03 01:55:06,083 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 01:55:06,084 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 01:55:06,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:55:06 BoogieIcfgContainer [2018-12-03 01:55:06,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:55:06,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:55:06,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:55:06,089 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:55:06,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:05" (3/4) ... [2018-12-03 01:55:06,091 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 01:55:06,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:55:06,092 INFO L168 Benchmark]: Toolchain (without parser) took 669.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:06,093 INFO L168 Benchmark]: CDTParser took 0.13 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 01:55:06,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:06,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.61 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 01:55:06,094 INFO L168 Benchmark]: Boogie Preprocessor took 13.58 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:06,094 INFO L168 Benchmark]: RCFGBuilder took 137.66 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:06,094 INFO L168 Benchmark]: TraceAbstraction took 173.57 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:06,095 INFO L168 Benchmark]: Witness Printer took 2.70 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 01:55:06,096 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.61 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 13.58 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 137.66 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 173.57 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.70 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. * 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 17 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 18 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: 1455]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1455. 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={20:0}] [L1456] CALL entry_point() VAL [ldv_global_msg_list={20:0}] [L1451] CALL, EXPR alloc_21() VAL [ldv_global_msg_list={20:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={20:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={21:0}, ldv_global_msg_list={20:0}, malloc(size)={21:0}, size=16] [L1442] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={20:0}, ldv_malloc(sizeof(struct A21))={21:0}] [L1442] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L1443] COND TRUE \read(*p) [L1444] return &p->dev; VAL [\result={21:4}, ldv_global_msg_list={20:0}, p={21:0}] [L1451] RET, EXPR alloc_21() VAL [alloc_21()={21:4}, ldv_global_msg_list={20:0}] [L1451] struct ldv_device *dev = alloc_21(); [L1456] RET entry_point() VAL [ldv_global_msg_list={20:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 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=24occurred 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, 20 NumberOfCodeBlocks, 20 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 [2018-12-03 01:55:07,511 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:55:07,512 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:55:07,518 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:55:07,518 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:55:07,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:55:07,519 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:55:07,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:55:07,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:55:07,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:55:07,522 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:55:07,523 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:55:07,523 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:55:07,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:55:07,524 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:55:07,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:55:07,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:55:07,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:55:07,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:55:07,528 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:55:07,528 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:55:07,529 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:55:07,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:55:07,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:55:07,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:55:07,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:55:07,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:55:07,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:55:07,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:55:07,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:55:07,534 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:55:07,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:55:07,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:55:07,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:55:07,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:55:07,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:55:07,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-03 01:55:07,546 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:55:07,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:55:07,547 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:55:07,547 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:55:07,547 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:55:07,548 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:55:07,548 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:55:07,548 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:55:07,548 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:55:07,548 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:55:07,549 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:55:07,549 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:55:07,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:55:07,549 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:55:07,549 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 01:55:07,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:55:07,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:55:07,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:55:07,550 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-03 01:55:07,550 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-03 01:55:07,550 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-03 01:55:07,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:55:07,551 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 01:55:07,551 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 01:55:07,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:55:07,551 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:55:07,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:55:07,551 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:55:07,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:55:07,552 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:55:07,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:55:07,552 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:55:07,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:55:07,552 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 01:55:07,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:55:07,552 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 01:55:07,553 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_0e458be0-753b-42dd-8116-30eed22c7c0e/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 -> e4b7cfcfa6c3948b5dbd6b1b13ec55ada7526adf [2018-12-03 01:55:07,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:55:07,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:55:07,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:55:07,584 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:55:07,584 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:55:07,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-03 01:55:07,619 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data/7e1811189/c5b5fc6c23614997912466633673e97c/FLAG40ce2aea6 [2018-12-03 01:55:07,976 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:55:07,976 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-03 01:55:07,984 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data/7e1811189/c5b5fc6c23614997912466633673e97c/FLAG40ce2aea6 [2018-12-03 01:55:08,366 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/bin-2019/utaipan/data/7e1811189/c5b5fc6c23614997912466633673e97c [2018-12-03 01:55:08,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:55:08,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:55:08,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:55:08,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:55:08,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:55:08,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fd51e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08, skipping insertion in model container [2018-12-03 01:55:08,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:55:08,410 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:55:08,615 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:55:08,662 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:55:08,695 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:55:08,728 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:55:08,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08 WrapperNode [2018-12-03 01:55:08,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:55:08,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:55:08,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:55:08,729 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:55:08,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:55:08,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:55:08,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:55:08,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:55:08,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... [2018-12-03 01:55:08,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:55:08,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:55:08,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:55:08,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:55:08,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/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 01:55:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:55:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-03 01:55:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-03 01:55:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:55:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:55:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2018-12-03 01:55:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2018-12-03 01:55:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:55:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:55:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-03 01:55:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-03 01:55:08,797 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-03 01:55:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:55:08,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:55:08,914 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:55:08,915 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 01:55:08,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:08 BoogieIcfgContainer [2018-12-03 01:55:08,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:55:08,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:55:08,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:55:08,917 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:55:08,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:55:08" (1/3) ... [2018-12-03 01:55:08,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ead2ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:55:08, skipping insertion in model container [2018-12-03 01:55:08,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:08" (2/3) ... [2018-12-03 01:55:08,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ead2ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:55:08, skipping insertion in model container [2018-12-03 01:55:08,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:08" (3/3) ... [2018-12-03 01:55:08,919 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-03 01:55:08,925 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:55:08,930 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:55:08,939 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:55:08,952 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 01:55:08,953 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:55:08,953 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-03 01:55:08,953 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:55:08,953 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:55:08,953 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:55:08,953 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:55:08,953 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:55:08,953 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:55:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-12-03 01:55:08,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 01:55:08,966 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:55:08,966 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 01:55:08,967 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-03 01:55:08,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:55:08,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1321088767, now seen corresponding path program 1 times [2018-12-03 01:55:08,973 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-03 01:55:08,973 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e458be0-753b-42dd-8116-30eed22c7c0e/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 01:55:08,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:55:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:55:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:55:09,104 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 01:55:09,115 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-03 01:55:09,122 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 01:55:09,122 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 01:55:09,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:55:09 BoogieIcfgContainer [2018-12-03 01:55:09,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:55:09,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:55:09,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:55:09,130 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:55:09,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:08" (3/4) ... [2018-12-03 01:55:09,133 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 01:55:09,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:55:09,134 INFO L168 Benchmark]: Toolchain (without parser) took 761.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -115.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:09,136 INFO L168 Benchmark]: CDTParser took 0.14 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 01:55:09,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:09,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.95 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 01:55:09,137 INFO L168 Benchmark]: Boogie Preprocessor took 14.39 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 01:55:09,137 INFO L168 Benchmark]: RCFGBuilder took 150.39 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:09,138 INFO L168 Benchmark]: TraceAbstraction took 213.99 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: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:55:09,138 INFO L168 Benchmark]: Witness Printer took 4.07 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 01:55:09,140 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.95 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 14.39 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 150.39 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 213.99 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: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.07 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. * 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: 1455]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1455. 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={-2147483384:0}] [L1456] CALL entry_point() VAL [ldv_global_msg_list={-2147483384:0}] [L1451] CALL, EXPR alloc_21() VAL [ldv_global_msg_list={-2147483384:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={-2147483384:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={264:0}, ldv_global_msg_list={-2147483384:0}, malloc(size)={264:0}, size=16] [L1442] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={-2147483384:0}, ldv_malloc(sizeof(struct A21))={264:0}] [L1442] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L1443] COND TRUE \read(*p) [L1444] return &p->dev; VAL [\result={264:4}, ldv_global_msg_list={-2147483384:0}, p={264:0}] [L1451] RET, EXPR alloc_21() VAL [alloc_21()={264:4}, ldv_global_msg_list={-2147483384:0}] [L1451] struct ldv_device *dev = alloc_21(); [L1456] RET entry_point() VAL [ldv_global_msg_list={-2147483384:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 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=24occurred 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, 20 NumberOfCodeBlocks, 20 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...