./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/test-0513_1.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47b0bc17 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext-properties/test-0513_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0f7005ca34afa27296d1dade13fe82495611c64 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:46:21,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:46:21,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:46:21,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:46:21,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:46:21,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:46:21,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:46:21,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:46:21,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:46:21,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:46:21,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:46:21,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:46:21,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:46:21,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:46:21,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:46:21,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:46:21,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:46:21,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:46:21,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:46:21,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:46:21,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:46:21,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:46:21,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:46:21,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:46:21,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:46:21,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:46:21,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:46:21,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:46:21,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:46:21,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:46:21,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:46:21,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:46:21,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:46:21,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:46:21,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:46:21,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:46:21,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:46:21,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:46:21,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:46:21,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:46:21,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:46:21,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 23:46:21,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:46:21,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:46:21,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:46:21,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:46:21,818 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:46:21,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:46:21,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:46:21,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:46:21,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:46:21,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:46:21,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:46:21,823 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:46:21,824 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:46:21,824 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:46:21,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:46:21,824 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:46:21,825 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:46:21,825 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:46:21,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:46:21,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:46:21,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:46:21,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:46:21,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:46:21,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:46:21,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:46:21,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:46:21,834 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:46:21,834 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:46:21,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:46:21,835 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> f0f7005ca34afa27296d1dade13fe82495611c64 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:46:22,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:46:22,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:46:22,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:46:22,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:46:22,526 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:46:22,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0513_1.i [2019-11-20 23:46:22,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a22906c97/890aa7a09642448d9b8f70d374329fa3/FLAG4d130d399 [2019-11-20 23:46:23,894 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:46:23,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0513_1.i [2019-11-20 23:46:23,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a22906c97/890aa7a09642448d9b8f70d374329fa3/FLAG4d130d399 [2019-11-20 23:46:23,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a22906c97/890aa7a09642448d9b8f70d374329fa3 [2019-11-20 23:46:23,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:46:23,976 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:46:23,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:46:23,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:46:23,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:46:23,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:46:23" (1/1) ... [2019-11-20 23:46:24,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4841c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:23, skipping insertion in model container [2019-11-20 23:46:24,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:46:23" (1/1) ... [2019-11-20 23:46:24,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:46:24,136 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:46:25,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:46:25,153 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:46:25,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:46:25,441 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:46:25,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:25 WrapperNode [2019-11-20 23:46:25,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:46:25,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:46:25,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:46:25,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:46:25,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:25" (1/1) ... [2019-11-20 23:46:25,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:25" (1/1) ... [2019-11-20 23:46:25,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:25" (1/1) ... [2019-11-20 23:46:25,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:25" (1/1) ... [2019-11-20 23:46:25,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:25" (1/1) ... [2019-11-20 23:46:25,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:25" (1/1) ... [2019-11-20 23:46:25,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:25" (1/1) ... [2019-11-20 23:46:25,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:46:25,663 INFO L168 Benchmark]: Toolchain (without parser) took 1679.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:46:25,664 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:46:25,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1459.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-20 23:46:25,674 INFO L168 Benchmark]: Boogie Preprocessor took 207.11 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:46:25,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1459.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 207.11 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...