./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_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_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/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 125d21fdba418d3c85b5fbd41a83cfaf1640fafb ................................................................................................................................................................................................................................................................................................................................................................ 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_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/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 125d21fdba418d3c85b5fbd41a83cfaf1640fafb ........................................................................................................................................................................................................................................................................................................................................................................... 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 06:37:11,355 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:37:11,356 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:37:11,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:37:11,362 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:37:11,363 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:37:11,363 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:37:11,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:37:11,365 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:37:11,365 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:37:11,366 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:37:11,366 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:37:11,366 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:37:11,367 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:37:11,367 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:37:11,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:37:11,368 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:37:11,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:37:11,370 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:37:11,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:37:11,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:37:11,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:37:11,372 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:37:11,372 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:37:11,373 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:37:11,373 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:37:11,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:37:11,374 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:37:11,374 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:37:11,375 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:37:11,375 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:37:11,375 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:37:11,375 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:37:11,375 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:37:11,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:37:11,376 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:37:11,376 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-09 06:37:11,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:37:11,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:37:11,384 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:37:11,384 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:37:11,384 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:37:11,384 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:37:11,384 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:37:11,384 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 06:37:11,384 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:37:11,384 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:37:11,384 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 06:37:11,385 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 06:37:11,385 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:37:11,385 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 06:37:11,385 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 06:37:11,385 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:37:11,385 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:37:11,385 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 06:37:11,385 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:37:11,385 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:37:11,386 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:37:11,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:37:11,387 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:37:11,387 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:37:11,387 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 06:37:11,387 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:37:11,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:37:11,387 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_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/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 -> 125d21fdba418d3c85b5fbd41a83cfaf1640fafb [2018-12-09 06:37:11,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:37:11,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:37:11,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:37:11,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:37:11,418 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:37:11,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 06:37:11,465 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data/4ff03b0f6/52c8dbd6bf004bfdb6f6e9f8e63eed01/FLAGf207746a1 [2018-12-09 06:37:11,906 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:37:11,907 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 06:37:11,916 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data/4ff03b0f6/52c8dbd6bf004bfdb6f6e9f8e63eed01/FLAGf207746a1 [2018-12-09 06:37:11,925 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data/4ff03b0f6/52c8dbd6bf004bfdb6f6e9f8e63eed01 [2018-12-09 06:37:11,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:37:11,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:37:11,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:37:11,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:37:11,930 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:37:11,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:37:11" (1/1) ... [2018-12-09 06:37:11,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461c4b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:11, skipping insertion in model container [2018-12-09 06:37:11,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:37:11" (1/1) ... [2018-12-09 06:37:11,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:37:11,967 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:37:12,179 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:37:12,189 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:37:12,226 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:37:12,259 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:37:12,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12 WrapperNode [2018-12-09 06:37:12,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:37:12,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:37:12,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:37:12,260 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:37:12,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:37:12,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:37:12,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:37:12,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:37:12,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... [2018-12-09 06:37:12,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:37:12,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:37:12,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:37:12,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:37:12,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/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 06:37:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:37:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 06:37:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 06:37:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:37:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:37:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:37:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:37:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2018-12-09 06:37:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2018-12-09 06:37:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2018-12-09 06:37:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2018-12-09 06:37:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 06:37:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 06:37:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 06:37:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 06:37:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:37:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:37:12,452 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:37:12,452 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 06:37:12,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:12 BoogieIcfgContainer [2018-12-09 06:37:12,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:37:12,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:37:12,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:37:12,455 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:37:12,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:37:11" (1/3) ... [2018-12-09 06:37:12,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6d2b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:37:12, skipping insertion in model container [2018-12-09 06:37:12,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:12" (2/3) ... [2018-12-09 06:37:12,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6d2b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:37:12, skipping insertion in model container [2018-12-09 06:37:12,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:12" (3/3) ... [2018-12-09 06:37:12,457 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 06:37:12,464 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:37:12,469 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 06:37:12,478 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 06:37:12,492 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:37:12,492 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 06:37:12,492 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:37:12,492 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:37:12,492 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:37:12,492 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:37:12,492 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:37:12,492 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:37:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-12-09 06:37:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 06:37:12,506 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:37:12,506 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 06:37:12,508 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, g5Err1ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 06:37:12,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:37:12,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1819776765, now seen corresponding path program 1 times [2018-12-09 06:37:12,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:37:12,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:37:12,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:12,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:37:12,544 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:37:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:37:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:37:12,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:37:12,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:37:12,644 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:37:12,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:37:12,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:37:12,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:37:12,656 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 7 states. [2018-12-09 06:37:12,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:37:12,712 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-12-09 06:37:12,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:37:12,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 06:37:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:37:12,719 INFO L225 Difference]: With dead ends: 31 [2018-12-09 06:37:12,719 INFO L226 Difference]: Without dead ends: 28 [2018-12-09 06:37:12,720 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:37:12,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-09 06:37:12,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-09 06:37:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-09 06:37:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-12-09 06:37:12,741 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 20 [2018-12-09 06:37:12,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:37:12,741 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-12-09 06:37:12,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:37:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-09 06:37:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 06:37:12,742 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:37:12,742 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:37:12,742 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, g5Err1ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 06:37:12,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:37:12,742 INFO L82 PathProgramCache]: Analyzing trace with hash -578504812, now seen corresponding path program 1 times [2018-12-09 06:37:12,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:37:12,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:37:12,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:12,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:37:12,744 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:37:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:37:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:37:12,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:37:12,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:37:12,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:37:12,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:37:12,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:37:12,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:37:12,800 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 7 states. [2018-12-09 06:37:12,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:37:12,822 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-12-09 06:37:12,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:37:12,822 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-09 06:37:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:37:12,823 INFO L225 Difference]: With dead ends: 27 [2018-12-09 06:37:12,823 INFO L226 Difference]: Without dead ends: 27 [2018-12-09 06:37:12,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:37:12,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-09 06:37:12,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-09 06:37:12,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-09 06:37:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-12-09 06:37:12,825 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 21 [2018-12-09 06:37:12,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:37:12,826 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-12-09 06:37:12,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:37:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-09 06:37:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 06:37:12,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:37:12,826 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:37:12,826 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, g5Err1ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 06:37:12,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:37:12,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1644774354, now seen corresponding path program 1 times [2018-12-09 06:37:12,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:37:12,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:37:12,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:12,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:37:12,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:37:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:37:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:37:12,859 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 06:37:12,866 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 06:37:12,873 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 06:37:12,873 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 06:37:12,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:37:12 BoogieIcfgContainer [2018-12-09 06:37:12,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:37:12,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:37:12,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:37:12,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:37:12,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:12" (3/4) ... [2018-12-09 06:37:12,884 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 06:37:12,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:37:12,884 INFO L168 Benchmark]: Toolchain (without parser) took 956.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 948.1 MB in the beginning and 998.7 MB in the end (delta: -50.6 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:12,885 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:37:12,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -127.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:12,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.32 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:12,887 INFO L168 Benchmark]: Boogie Preprocessor took 14.41 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 06:37:12,887 INFO L168 Benchmark]: RCFGBuilder took 156.27 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:12,888 INFO L168 Benchmark]: TraceAbstraction took 426.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.7 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:12,888 INFO L168 Benchmark]: Witness Printer took 3.62 ms. Allocated memory is still 1.1 GB. Free memory is still 998.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:37:12,890 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -127.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.32 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.41 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 156.27 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 426.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.7 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.62 ms. Allocated memory is still 1.1 GB. Free memory is still 998.7 MB. 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 10 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 9 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: 1449]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1449. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={12:0}] [L1450] CALL entry_point() VAL [ldv_global_msg_list={12:0}] [L1445] CALL, EXPR f5() VAL [ldv_global_msg_list={12:0}] [L1434] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={12:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={13:0}, ldv_global_msg_list={12:0}, malloc(size)={13:0}, size=4] [L1434] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={12:0}, ldv_malloc(sizeof(int))={13:0}] [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] return 0; VAL [\result={0:0}, ldv_global_msg_list={12:0}, p={13:0}] [L1445] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={12:0}] [L1445] int *p = f5(); [L1446] CALL g5(p) VAL [ldv_global_msg_list={12:0}, p={0:0}] [L1439] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={12:0}, p={0:0}, p={0:0}] [L1446] RET g5(p) VAL [ldv_global_msg_list={12:0}, p={0:0}] [L1450] RET entry_point() VAL [ldv_global_msg_list={12:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 32 locations, 3 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 23 SDslu, 220 SDs, 0 SdLazy, 52 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:37:14,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:37:14,227 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:37:14,233 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:37:14,233 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:37:14,234 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:37:14,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:37:14,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:37:14,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:37:14,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:37:14,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:37:14,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:37:14,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:37:14,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:37:14,239 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:37:14,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:37:14,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:37:14,240 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:37:14,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:37:14,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:37:14,243 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:37:14,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:37:14,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:37:14,245 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:37:14,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:37:14,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:37:14,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:37:14,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:37:14,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:37:14,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:37:14,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:37:14,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:37:14,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:37:14,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:37:14,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:37:14,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:37:14,249 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-09 06:37:14,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:37:14,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:37:14,258 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:37:14,258 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:37:14,258 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:37:14,258 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:37:14,258 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:37:14,258 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:37:14,259 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:37:14,259 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:37:14,259 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 06:37:14,259 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 06:37:14,259 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:37:14,259 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:37:14,260 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 06:37:14,260 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:37:14,260 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:37:14,260 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:37:14,260 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 06:37:14,260 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 06:37:14,260 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 06:37:14,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:37:14,261 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 06:37:14,261 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 06:37:14,261 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:37:14,261 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 06:37:14,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:37:14,261 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:37:14,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:37:14,261 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:37:14,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:37:14,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:37:14,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:37:14,262 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 06:37:14,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:37:14,262 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 06:37:14,262 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_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/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 -> 125d21fdba418d3c85b5fbd41a83cfaf1640fafb [2018-12-09 06:37:14,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:37:14,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:37:14,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:37:14,294 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:37:14,294 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:37:14,295 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 06:37:14,332 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data/fc63db494/befba9c898024a098257f4fb5a61f606/FLAG316d23070 [2018-12-09 06:37:14,751 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:37:14,751 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 06:37:14,759 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data/fc63db494/befba9c898024a098257f4fb5a61f606/FLAG316d23070 [2018-12-09 06:37:15,075 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/data/fc63db494/befba9c898024a098257f4fb5a61f606 [2018-12-09 06:37:15,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:37:15,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:37:15,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:37:15,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:37:15,090 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:37:15,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edf5d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15, skipping insertion in model container [2018-12-09 06:37:15,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:37:15,123 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:37:15,310 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:37:15,323 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:37:15,404 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:37:15,437 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:37:15,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15 WrapperNode [2018-12-09 06:37:15,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:37:15,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:37:15,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:37:15,438 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:37:15,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:37:15,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:37:15,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:37:15,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:37:15,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... [2018-12-09 06:37:15,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:37:15,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:37:15,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:37:15,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:37:15,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/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 06:37:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:37:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 06:37:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 06:37:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:37:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:37:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:37:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:37:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2018-12-09 06:37:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2018-12-09 06:37:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2018-12-09 06:37:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2018-12-09 06:37:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 06:37:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 06:37:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 06:37:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 06:37:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:37:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:37:15,624 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:37:15,624 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 06:37:15,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:15 BoogieIcfgContainer [2018-12-09 06:37:15,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:37:15,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:37:15,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:37:15,626 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:37:15,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:37:15" (1/3) ... [2018-12-09 06:37:15,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2c88e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:37:15, skipping insertion in model container [2018-12-09 06:37:15,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:15" (2/3) ... [2018-12-09 06:37:15,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2c88e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:37:15, skipping insertion in model container [2018-12-09 06:37:15,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:15" (3/3) ... [2018-12-09 06:37:15,628 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 06:37:15,634 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:37:15,639 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 06:37:15,648 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 06:37:15,661 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 06:37:15,662 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:37:15,662 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 06:37:15,662 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:37:15,662 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:37:15,662 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:37:15,662 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:37:15,662 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:37:15,662 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:37:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-12-09 06:37:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 06:37:15,675 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:37:15,675 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 06:37:15,677 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 06:37:15,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:37:15,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1819776765, now seen corresponding path program 1 times [2018-12-09 06:37:15,683 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:37:15,683 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/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 06:37:15,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:37:15,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:37:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:37:15,803 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:37:15,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:37:15,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:37:15,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:37:15,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:37:15,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:37:15,823 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 7 states. [2018-12-09 06:37:15,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:37:15,878 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-12-09 06:37:15,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:37:15,879 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 06:37:15,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:37:15,885 INFO L225 Difference]: With dead ends: 31 [2018-12-09 06:37:15,885 INFO L226 Difference]: Without dead ends: 28 [2018-12-09 06:37:15,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:37:15,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-09 06:37:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-09 06:37:15,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-09 06:37:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-12-09 06:37:15,908 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 20 [2018-12-09 06:37:15,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:37:15,908 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-12-09 06:37:15,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:37:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-09 06:37:15,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 06:37:15,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:37:15,909 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:37:15,909 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 06:37:15,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:37:15,909 INFO L82 PathProgramCache]: Analyzing trace with hash -578504812, now seen corresponding path program 1 times [2018-12-09 06:37:15,909 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:37:15,910 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:37:15,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:37:15,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:37:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:37:15,993 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:37:15,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:37:15,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 06:37:15,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 06:37:15,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 06:37:15,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:37:15,996 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 8 states. [2018-12-09 06:37:16,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:37:16,036 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-12-09 06:37:16,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 06:37:16,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-12-09 06:37:16,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:37:16,037 INFO L225 Difference]: With dead ends: 26 [2018-12-09 06:37:16,037 INFO L226 Difference]: Without dead ends: 25 [2018-12-09 06:37:16,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:37:16,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-09 06:37:16,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-09 06:37:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-09 06:37:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-12-09 06:37:16,040 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 21 [2018-12-09 06:37:16,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:37:16,040 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-12-09 06:37:16,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 06:37:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-12-09 06:37:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 06:37:16,041 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:37:16,041 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:37:16,041 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 06:37:16,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:37:16,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1644774354, now seen corresponding path program 1 times [2018-12-09 06:37:16,042 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:37:16,042 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7fb6c677-ab85-4f99-8d6e-5afc34ab63f3/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:37:16,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:37:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:37:16,149 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 06:37:16,160 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 06:37:16,166 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 06:37:16,167 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 06:37:16,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:37:16 BoogieIcfgContainer [2018-12-09 06:37:16,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:37:16,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:37:16,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:37:16,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:37:16,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:15" (3/4) ... [2018-12-09 06:37:16,175 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 06:37:16,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:37:16,175 INFO L168 Benchmark]: Toolchain (without parser) took 1092.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 938.0 MB in the beginning and 995.2 MB in the end (delta: -57.2 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:16,176 INFO L168 Benchmark]: CDTParser took 0.19 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 06:37:16,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:16,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.29 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 06:37:16,178 INFO L168 Benchmark]: Boogie Preprocessor took 14.57 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 06:37:16,178 INFO L168 Benchmark]: RCFGBuilder took 150.64 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:16,178 INFO L168 Benchmark]: TraceAbstraction took 547.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.2 MB in the end (delta: 82.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:16,179 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 995.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:37:16,181 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 351.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.29 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 14.57 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 150.64 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 547.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.2 MB in the end (delta: 82.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 995.2 MB. 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: 1449]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1449. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2146401247:0}] [L1450] CALL entry_point() VAL [ldv_global_msg_list={-2146401247:0}] [L1445] CALL, EXPR f5() VAL [ldv_global_msg_list={-2146401247:0}] [L1434] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2146401247:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={1082401:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, size=4] [L1434] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(int))={1082401:0}] [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] return 0; VAL [\result={0:0}, ldv_global_msg_list={-2146401247:0}, p={1082401:0}] [L1445] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={-2146401247:0}] [L1445] int *p = f5(); [L1446] CALL g5(p) VAL [ldv_global_msg_list={-2146401247:0}, p={0:0}] [L1439] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={-2146401247:0}, p={0:0}, p={0:0}] [L1446] RET g5(p) VAL [ldv_global_msg_list={-2146401247:0}, p={0:0}] [L1450] RET entry_point() VAL [ldv_global_msg_list={-2146401247:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 32 locations, 3 error locations. UNSAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 SDtfs, 21 SDslu, 238 SDs, 0 SdLazy, 52 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1327 SizeOfPredicates, 3 NumberOfNonLiveVariables, 156 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...