./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1_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_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/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 6c1ac29f469d2a78972be63fd87c20f1e4e5240f .................................................................................................................................................................................................................................................................................... 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_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/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 6c1ac29f469d2a78972be63fd87c20f1e4e5240f ...................................................................................................................................................................................................................................................................................................................................... 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 13:12:34,622 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:12:34,623 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:12:34,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:12:34,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:12:34,630 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:12:34,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:12:34,632 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:12:34,633 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:12:34,634 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:12:34,635 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:12:34,635 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:12:34,636 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:12:34,636 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:12:34,637 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:12:34,637 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:12:34,637 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:12:34,638 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:12:34,639 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:12:34,640 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:12:34,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:12:34,641 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:12:34,643 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:12:34,643 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:12:34,643 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:12:34,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:12:34,644 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:12:34,644 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:12:34,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:12:34,645 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:12:34,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:12:34,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:12:34,646 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:12:34,646 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:12:34,647 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:12:34,647 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:12:34,647 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-09 13:12:34,655 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:12:34,655 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:12:34,656 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:12:34,656 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:12:34,656 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:12:34,656 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:12:34,656 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:12:34,656 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 13:12:34,656 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:12:34,656 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:12:34,656 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 13:12:34,657 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 13:12:34,657 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:12:34,657 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:12:34,657 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:12:34,657 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:12:34,657 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:12:34,657 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:12:34,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:12:34,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:12:34,659 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:12:34,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:12:34,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:12:34,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:12:34,659 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 13:12:34,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:12:34,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:12:34,659 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_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/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 -> 6c1ac29f469d2a78972be63fd87c20f1e4e5240f [2018-12-09 13:12:34,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:12:34,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:12:34,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:12:34,690 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:12:34,690 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:12:34,691 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-12-09 13:12:34,731 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data/d7519ae0b/9a232a01bb1d45cc9c5589bcee8c5033/FLAGb1a49013a [2018-12-09 13:12:35,127 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:12:35,127 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-12-09 13:12:35,134 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data/d7519ae0b/9a232a01bb1d45cc9c5589bcee8c5033/FLAGb1a49013a [2018-12-09 13:12:35,143 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data/d7519ae0b/9a232a01bb1d45cc9c5589bcee8c5033 [2018-12-09 13:12:35,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:12:35,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:12:35,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:12:35,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:12:35,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:12:35,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5fc0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35, skipping insertion in model container [2018-12-09 13:12:35,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:12:35,178 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:12:35,393 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:12:35,403 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:12:35,436 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:12:35,467 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:12:35,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35 WrapperNode [2018-12-09 13:12:35,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:12:35,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:12:35,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:12:35,468 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:12:35,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:12:35,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:12:35,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:12:35,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:12:35,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... [2018-12-09 13:12:35,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:12:35,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:12:35,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:12:35,502 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:12:35,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/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 13:12:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2018-12-09 13:12:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2018-12-09 13:12:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:12:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 13:12:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 13:12:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:12:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:12:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:12:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:12:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 13:12:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 13:12:35,535 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 13:12:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:12:35,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:12:35,647 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:12:35,647 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 13:12:35,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:12:35 BoogieIcfgContainer [2018-12-09 13:12:35,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:12:35,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:12:35,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:12:35,650 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:12:35,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:12:35" (1/3) ... [2018-12-09 13:12:35,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5ffcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:12:35, skipping insertion in model container [2018-12-09 13:12:35,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:35" (2/3) ... [2018-12-09 13:12:35,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5ffcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:12:35, skipping insertion in model container [2018-12-09 13:12:35,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:12:35" (3/3) ... [2018-12-09 13:12:35,652 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-12-09 13:12:35,657 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:12:35,661 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:12:35,670 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:12:35,684 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:12:35,684 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 13:12:35,684 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:12:35,684 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:12:35,684 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:12:35,684 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:12:35,684 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:12:35,684 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:12:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-09 13:12:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 13:12:35,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:12:35,698 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:12:35,700 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 13:12:35,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:12:35,704 INFO L82 PathProgramCache]: Analyzing trace with hash -332105820, now seen corresponding path program 1 times [2018-12-09 13:12:35,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:12:35,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:12:35,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:12:35,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:12:35,737 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:12:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:12:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:12:35,802 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 13:12:35,810 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 13:12:35,815 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 13:12:35,815 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 13:12:35,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:12:35 BoogieIcfgContainer [2018-12-09 13:12:35,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:12:35,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:12:35,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:12:35,820 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:12:35,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:12:35" (3/4) ... [2018-12-09 13:12:35,823 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 13:12:35,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:12:35,823 INFO L168 Benchmark]: Toolchain (without parser) took 678.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-09 13:12:35,824 INFO L168 Benchmark]: CDTParser took 0.17 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 13:12:35,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-12-09 13:12:35,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.68 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 13:12:35,825 INFO L168 Benchmark]: Boogie Preprocessor took 12.71 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 13:12:35,825 INFO L168 Benchmark]: RCFGBuilder took 145.25 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 13:12:35,826 INFO L168 Benchmark]: TraceAbstraction took 172.51 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:12:35,826 INFO L168 Benchmark]: Witness Printer took 2.72 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 13:12:35,827 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.68 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 12.71 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 145.25 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 172.51 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1450]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1450. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] int *a8; VAL [\old(a8)=13, \old(a8)=12, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={14:0}] [L1451] CALL entry_point() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={14:0}] [L1445] CALL alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={14:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}, ldv_global_msg_list={14:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, \result={15:0}, a8={0:0}, ldv_global_msg_list={14:0}, malloc(size)={15:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={14:0}, ldv_malloc(sizeof(int))={15:0}] [L1437] a8 = (int *)ldv_malloc(sizeof(int)) [L1445] RET alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1447] a8 = 0 VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={14:0}] [L1451] RET entry_point() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 23 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=23occurred 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, 19 NumberOfCodeBlocks, 19 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 13:12:37,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:12:37,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:12:37,186 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:12:37,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:12:37,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:12:37,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:12:37,188 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:12:37,189 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:12:37,190 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:12:37,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:12:37,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:12:37,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:12:37,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:12:37,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:12:37,192 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:12:37,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:12:37,193 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:12:37,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:12:37,195 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:12:37,196 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:12:37,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:12:37,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:12:37,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:12:37,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:12:37,198 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:12:37,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:12:37,199 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:12:37,200 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:12:37,200 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:12:37,201 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:12:37,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:12:37,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:12:37,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:12:37,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:12:37,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:12:37,202 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-09 13:12:37,210 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:12:37,210 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:12:37,210 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:12:37,210 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:12:37,211 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:12:37,211 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:12:37,211 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:12:37,211 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:12:37,211 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:12:37,211 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:12:37,212 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:12:37,212 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:12:37,212 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:12:37,212 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:12:37,212 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 13:12:37,212 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:12:37,212 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:12:37,212 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:12:37,212 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 13:12:37,213 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 13:12:37,213 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 13:12:37,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:12:37,213 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 13:12:37,213 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 13:12:37,213 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:12:37,213 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:12:37,213 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:12:37,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:12:37,214 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:12:37,214 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:12:37,214 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:12:37,214 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:12:37,214 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:12:37,214 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 13:12:37,214 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:12:37,214 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 13:12:37,215 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_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/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 -> 6c1ac29f469d2a78972be63fd87c20f1e4e5240f [2018-12-09 13:12:37,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:12:37,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:12:37,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:12:37,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:12:37,246 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:12:37,247 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-12-09 13:12:37,290 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data/be8f442ce/de5c5abeb17f4f979ea2f20de78f49a6/FLAGd1ecbdbad [2018-12-09 13:12:37,764 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:12:37,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-12-09 13:12:37,772 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data/be8f442ce/de5c5abeb17f4f979ea2f20de78f49a6/FLAGd1ecbdbad [2018-12-09 13:12:37,781 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/bin-2019/utaipan/data/be8f442ce/de5c5abeb17f4f979ea2f20de78f49a6 [2018-12-09 13:12:37,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:12:37,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:12:37,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:12:37,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:12:37,786 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:12:37,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:12:37" (1/1) ... [2018-12-09 13:12:37,788 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 01:12:37, skipping insertion in model container [2018-12-09 13:12:37,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:12:37" (1/1) ... [2018-12-09 13:12:37,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:12:37,815 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:12:38,001 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:12:38,013 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:12:38,083 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:12:38,123 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:12:38,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38 WrapperNode [2018-12-09 13:12:38,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:12:38,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:12:38,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:12:38,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:12:38,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:12:38,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:12:38,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:12:38,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:12:38,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... [2018-12-09 13:12:38,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:12:38,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:12:38,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:12:38,163 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:12:38,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/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 13:12:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2018-12-09 13:12:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2018-12-09 13:12:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:12:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 13:12:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 13:12:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:12:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:12:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:12:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:12:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 13:12:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 13:12:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 13:12:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:12:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:12:38,312 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:12:38,312 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 13:12:38,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:12:38 BoogieIcfgContainer [2018-12-09 13:12:38,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:12:38,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:12:38,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:12:38,315 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:12:38,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:12:37" (1/3) ... [2018-12-09 13:12:38,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170dc13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:12:38, skipping insertion in model container [2018-12-09 13:12:38,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:12:38" (2/3) ... [2018-12-09 13:12:38,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170dc13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:12:38, skipping insertion in model container [2018-12-09 13:12:38,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:12:38" (3/3) ... [2018-12-09 13:12:38,317 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-12-09 13:12:38,323 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:12:38,327 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:12:38,337 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:12:38,350 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 13:12:38,351 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:12:38,351 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 13:12:38,351 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:12:38,351 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:12:38,351 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:12:38,351 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:12:38,351 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:12:38,351 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:12:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-09 13:12:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 13:12:38,364 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:12:38,364 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:12:38,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 13:12:38,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:12:38,369 INFO L82 PathProgramCache]: Analyzing trace with hash -332105820, now seen corresponding path program 1 times [2018-12-09 13:12:38,372 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 13:12:38,372 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f448a97-5a71-4cb0-ad6c-06e8aaad98b2/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 13:12:38,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:12:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:12:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:12:38,532 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 13:12:38,540 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 13:12:38,546 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 13:12:38,546 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,546 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 13:12:38,547 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,547 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,547 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,547 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,548 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,548 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,548 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,549 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,549 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,550 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,550 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,550 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,550 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,551 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,551 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,551 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,551 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-09 13:12:38,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:12:38 BoogieIcfgContainer [2018-12-09 13:12:38,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:12:38,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:12:38,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:12:38,557 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:12:38,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:12:38" (3/4) ... [2018-12-09 13:12:38,560 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 13:12:38,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:12:38,560 INFO L168 Benchmark]: Toolchain (without parser) took 777.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -112.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:12:38,561 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:12:38,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 13:12:38,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:12:38,562 INFO L168 Benchmark]: Boogie Preprocessor took 16.69 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 13:12:38,562 INFO L168 Benchmark]: RCFGBuilder took 149.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:12:38,563 INFO L168 Benchmark]: TraceAbstraction took 243.75 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:12:38,563 INFO L168 Benchmark]: Witness Printer took 3.21 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 13:12:38,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.69 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 149.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 243.75 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.21 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 *INT - 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 *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1450]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1450. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] int *a8; VAL [\old(a8)=null, \old(a8)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={-2146401247:0}] [L1451] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2146401247:0}] [L1445] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2146401247:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={-2146401247:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, \result={1082401:0}, a8={0:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(int))={1082401:0}] [L1437] a8 = (int *)ldv_malloc(sizeof(int)) [L1445] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={1082401:0}, ldv_global_msg_list={-2146401247:0}] [L1447] a8 = 0 VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2146401247:0}] [L1451] RET entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2146401247:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.2s 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=23occurred 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, 19 NumberOfCodeBlocks, 19 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...