./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/simple_built_from_end.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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-properties/simple_built_from_end.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.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 41b5142f2d6582efd6d9a128e4dfef83faaab097 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally 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-properties/simple_built_from_end.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 41b5142f2d6582efd6d9a128e4dfef83faaab097 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:00,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:00,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:01,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:01,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:01,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:01,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:01,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:01,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:01,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:01,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:01,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:01,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:01,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:01,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:01,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:01,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:01,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:01,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:01,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:01,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:01,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:01,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:01,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:01,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:01,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:01,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:01,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:01,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:01,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:01,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:01,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:01,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:01,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:01,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:01,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:01,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:01,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:01,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:01,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:01,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:01,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:01,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:01,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:01,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:01,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:01,156 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:01,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:01,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:01,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:01,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:01,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:01,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:01,160 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:01,160 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:01,160 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:01,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:01,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:01,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:01,162 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:01,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:01,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:01,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:01,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:01,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:01,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:01,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:01,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:01,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:01,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-11-24 22:23:01,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:01,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:01,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:01,579 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:01,581 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:01,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-24 22:23:01,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cced20dd0/db03646ef93f4aeb9c7154f9ded2680c/FLAG5dc8a7b45 [2019-11-24 22:23:02,541 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:02,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-24 22:23:02,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cced20dd0/db03646ef93f4aeb9c7154f9ded2680c/FLAG5dc8a7b45 [2019-11-24 22:23:02,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cced20dd0/db03646ef93f4aeb9c7154f9ded2680c [2019-11-24 22:23:02,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:02,747 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:02,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:02,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:02,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:02,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:02" (1/1) ... [2019-11-24 22:23:02,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:02, skipping insertion in model container [2019-11-24 22:23:02,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:02" (1/1) ... [2019-11-24 22:23:02,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:02,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:03,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:03,538 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:03,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:03,725 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:03,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03 WrapperNode [2019-11-24 22:23:03,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:03,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:03,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:03,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:03,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:03,876 INFO L168 Benchmark]: Toolchain (without parser) took 1120.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:03,878 INFO L168 Benchmark]: CDTParser took 3.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:03,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 975.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:03,883 INFO L168 Benchmark]: Boogie Preprocessor took 133.58 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:03,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 975.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 133.58 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:06,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:06,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:06,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:06,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:06,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:06,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:06,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:06,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:06,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:06,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:06,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:06,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:06,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:06,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:06,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:06,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:06,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:06,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:06,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:06,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:06,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:06,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:06,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:06,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:06,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:06,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:06,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:06,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:06,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:06,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:06,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:06,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:06,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:06,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:06,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:06,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:06,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:06,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:06,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:06,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:06,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:06,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:06,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:06,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:06,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:06,779 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:06,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:06,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:06,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:06,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:06,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:06,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:06,783 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:06,783 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:06,784 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:06,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:06,784 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:06,784 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:06,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:06,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:06,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:06,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:06,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:06,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:06,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:06,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:06,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:06,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:06,789 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:06,790 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:06,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:06,791 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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-11-24 22:23:07,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:07,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:07,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:07,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:07,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:07,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-24 22:23:07,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ab7f82a/ddf9afe6393f43068fc00d03549019d1/FLAGb14ad2e86 [2019-11-24 22:23:08,268 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:08,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-24 22:23:08,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ab7f82a/ddf9afe6393f43068fc00d03549019d1/FLAGb14ad2e86 [2019-11-24 22:23:08,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ab7f82a/ddf9afe6393f43068fc00d03549019d1 [2019-11-24 22:23:08,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:08,452 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:08,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:08,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:08,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:08,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2af7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08, skipping insertion in model container [2019-11-24 22:23:08,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:08,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:09,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:09,261 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:09,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:09,434 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:09,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09 WrapperNode [2019-11-24 22:23:09,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:09,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:09,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:09,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:09,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:09" (1/1) ... [2019-11-24 22:23:09,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:09,588 INFO L168 Benchmark]: Toolchain (without parser) took 1133.16 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 979.6 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:09,589 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-24 22:23:09,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 986.36 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 979.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:09,592 INFO L168 Benchmark]: Boogie Preprocessor took 142.99 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:09,600 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 986.36 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 979.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 142.99 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...