./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_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/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_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/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_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/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_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/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 [2018-12-09 01:08:50,286 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:08:50,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:08:50,293 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:08:50,293 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:08:50,293 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:08:50,294 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:08:50,295 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:08:50,296 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:08:50,296 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:08:50,297 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:08:50,297 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:08:50,297 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:08:50,298 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:08:50,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:08:50,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:08:50,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:08:50,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:08:50,301 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:08:50,302 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:08:50,302 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:08:50,303 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:08:50,304 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:08:50,304 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:08:50,304 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:08:50,305 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:08:50,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:08:50,306 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:08:50,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:08:50,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:08:50,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:08:50,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:08:50,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:08:50,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:08:50,308 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:08:50,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:08:50,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-09 01:08:50,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:08:50,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:08:50,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:08:50,317 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:08:50,317 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:08:50,318 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:08:50,318 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:08:50,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:08:50,318 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:08:50,318 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 01:08:50,318 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:08:50,318 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:08:50,318 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:08:50,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:08:50,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:08:50,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:08:50,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:08:50,320 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:08:50,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:08:50,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:08:50,320 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_32b6c1f5-a57f-428d-a160-292349a386ca/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 [2018-12-09 01:08:50,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:08:50,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:08:50,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:08:50,347 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:08:50,347 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:08:50,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-09 01:08:50,380 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data/50f05884a/f411ed1145a3427e9421d04eb79eb3c1/FLAGfe1248daa [2018-12-09 01:08:50,855 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:08:50,855 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-09 01:08:50,865 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data/50f05884a/f411ed1145a3427e9421d04eb79eb3c1/FLAGfe1248daa [2018-12-09 01:08:51,367 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data/50f05884a/f411ed1145a3427e9421d04eb79eb3c1 [2018-12-09 01:08:51,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:08:51,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:08:51,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:08:51,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:08:51,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:08:51,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340b48b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51, skipping insertion in model container [2018-12-09 01:08:51,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:08:51,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:08:51,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:08:51,618 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:08:51,650 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:08:51,681 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:08:51,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51 WrapperNode [2018-12-09 01:08:51,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:08:51,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:08:51,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:08:51,682 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:08:51,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:08:51,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:08:51,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:08:51,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:08:51,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... [2018-12-09 01:08:51,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:08:51,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:08:51,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:08:51,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:08:51,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/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 [2018-12-09 01:08:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:08:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 01:08:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 01:08:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:08:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:08:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2018-12-09 01:08:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2018-12-09 01:08:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:08:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:08:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 01:08:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 01:08:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 01:08:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:08:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:08:51,858 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:08:51,858 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:08:51,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:08:51 BoogieIcfgContainer [2018-12-09 01:08:51,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:08:51,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:08:51,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:08:51,862 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:08:51,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:08:51" (1/3) ... [2018-12-09 01:08:51,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35aa2567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:08:51, skipping insertion in model container [2018-12-09 01:08:51,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:51" (2/3) ... [2018-12-09 01:08:51,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35aa2567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:08:51, skipping insertion in model container [2018-12-09 01:08:51,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:08:51" (3/3) ... [2018-12-09 01:08:51,864 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-09 01:08:51,870 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:08:51,875 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:08:51,884 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:08:51,904 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:08:51,904 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 01:08:51,904 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:08:51,904 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:08:51,904 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:08:51,904 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:08:51,904 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:08:51,904 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:08:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-12-09 01:08:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 01:08:51,923 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:08:51,924 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] [2018-12-09 01:08:51,926 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 01:08:51,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:08:51,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1321088767, now seen corresponding path program 1 times [2018-12-09 01:08:51,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:08:51,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:08:51,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:08:51,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:08:51,967 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:08:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:08:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:08:52,029 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:08:52,036 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 01:08:52,040 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# [2018-12-09 01:08:52,040 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# [2018-12-09 01:08:52,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:08:52 BoogieIcfgContainer [2018-12-09 01:08:52,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:08:52,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:08:52,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:08:52,046 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:08:52,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:08:51" (3/4) ... [2018-12-09 01:08:52,048 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:08:52,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:08:52,049 INFO L168 Benchmark]: Toolchain (without parser) took 679.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -87.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:52,050 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:08:52,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:52,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.92 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. [2018-12-09 01:08:52,050 INFO L168 Benchmark]: Boogie Preprocessor took 14.59 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. [2018-12-09 01:08:52,051 INFO L168 Benchmark]: RCFGBuilder took 139.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:52,051 INFO L168 Benchmark]: TraceAbstraction took 185.93 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:52,051 INFO L168 Benchmark]: Witness Printer took 2.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:52,053 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.92 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. * Boogie Preprocessor took 14.59 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 139.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 185.93 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 [2018-12-09 01:08:53,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:08:53,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:08:53,414 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:08:53,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:08:53,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:08:53,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:08:53,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:08:53,417 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:08:53,417 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:08:53,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:08:53,418 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:08:53,418 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:08:53,419 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:08:53,419 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:08:53,420 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:08:53,420 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:08:53,421 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:08:53,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:08:53,423 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:08:53,423 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:08:53,424 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:08:53,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:08:53,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:08:53,425 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:08:53,425 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:08:53,426 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:08:53,426 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:08:53,427 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:08:53,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:08:53,427 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:08:53,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:08:53,428 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:08:53,428 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:08:53,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:08:53,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:08:53,429 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-09 01:08:53,436 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:08:53,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:08:53,437 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:08:53,437 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:08:53,437 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:08:53,437 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:08:53,437 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:08:53,437 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:08:53,437 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:08:53,438 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:08:53,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:08:53,438 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:08:53,438 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:08:53,438 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:08:53,438 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 01:08:53,438 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:08:53,438 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:08:53,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:08:53,439 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:08:53,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:08:53,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:08:53,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:08:53,440 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 01:08:53,440 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:08:53,440 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 01:08:53,440 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_32b6c1f5-a57f-428d-a160-292349a386ca/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 [2018-12-09 01:08:53,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:08:53,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:08:53,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:08:53,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:08:53,472 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:08:53,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-09 01:08:53,517 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data/789d0680a/c9f44a2f02c24634a6abcdef23bd7a9d/FLAG66cd2db44 [2018-12-09 01:08:53,945 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:08:53,946 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/sv-benchmarks/c/ldv-memsafety/memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-09 01:08:53,953 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data/789d0680a/c9f44a2f02c24634a6abcdef23bd7a9d/FLAG66cd2db44 [2018-12-09 01:08:53,961 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/bin-2019/utaipan/data/789d0680a/c9f44a2f02c24634a6abcdef23bd7a9d [2018-12-09 01:08:53,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:08:53,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:08:53,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:08:53,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:08:53,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:08:53,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:08:53" (1/1) ... [2018-12-09 01:08:53,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4096dacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:53, skipping insertion in model container [2018-12-09 01:08:53,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:08:53" (1/1) ... [2018-12-09 01:08:53,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:08:53,996 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:08:54,193 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:08:54,206 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:08:54,270 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:08:54,302 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:08:54,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54 WrapperNode [2018-12-09 01:08:54,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:08:54,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:08:54,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:08:54,303 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:08:54,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:08:54,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:08:54,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:08:54,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:08:54,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... [2018-12-09 01:08:54,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:08:54,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:08:54,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:08:54,340 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:08:54,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/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 [2018-12-09 01:08:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:08:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 01:08:54,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 01:08:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:08:54,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:08:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2018-12-09 01:08:54,372 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2018-12-09 01:08:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:08:54,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:08:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 01:08:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 01:08:54,372 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 01:08:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:08:54,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:08:54,482 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:08:54,482 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:08:54,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:08:54 BoogieIcfgContainer [2018-12-09 01:08:54,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:08:54,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:08:54,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:08:54,485 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:08:54,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:08:53" (1/3) ... [2018-12-09 01:08:54,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206fcd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:08:54, skipping insertion in model container [2018-12-09 01:08:54,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:08:54" (2/3) ... [2018-12-09 01:08:54,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206fcd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:08:54, skipping insertion in model container [2018-12-09 01:08:54,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:08:54" (3/3) ... [2018-12-09 01:08:54,487 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test21_false-valid-memtrack_true-termination.i [2018-12-09 01:08:54,492 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:08:54,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:08:54,505 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:08:54,518 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:08:54,519 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:08:54,519 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 01:08:54,519 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:08:54,519 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:08:54,519 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:08:54,519 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:08:54,519 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:08:54,519 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:08:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-12-09 01:08:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 01:08:54,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:08:54,532 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] [2018-12-09 01:08:54,533 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 01:08:54,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:08:54,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1321088767, now seen corresponding path program 1 times [2018-12-09 01:08:54,540 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 01:08:54,540 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32b6c1f5-a57f-428d-a160-292349a386ca/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 [2018-12-09 01:08:54,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:08:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:08:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:08:54,670 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:08:54,678 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 01:08:54,682 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# [2018-12-09 01:08:54,683 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# [2018-12-09 01:08:54,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:08:54 BoogieIcfgContainer [2018-12-09 01:08:54,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:08:54,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:08:54,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:08:54,688 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:08:54,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:08:54" (3/4) ... [2018-12-09 01:08:54,691 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:08:54,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:08:54,692 INFO L168 Benchmark]: Toolchain (without parser) took 728.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:54,692 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-12-09 01:08:54,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:54,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.41 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. [2018-12-09 01:08:54,693 INFO L168 Benchmark]: Boogie Preprocessor took 15.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:08:54,694 INFO L168 Benchmark]: RCFGBuilder took 142.74 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:54,694 INFO L168 Benchmark]: TraceAbstraction took 204.68 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:08:54,694 INFO L168 Benchmark]: Witness Printer took 3.04 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. [2018-12-09 01:08:54,696 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 338.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.41 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 15.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 142.74 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 204.68 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.04 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...