./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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-ext3-properties/dll_nondet_free_order-2.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 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext3-properties/dll_nondet_free_order-2.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 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:22,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:22,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:22,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:22,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:22,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:22,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:22,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:22,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:22,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:22,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:22,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:22,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:22,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:22,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:22,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:22,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:22,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:22,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:22,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:22,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:22,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:22,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:22,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:22,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:22,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:22,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:22,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:22,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:22,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:22,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:22,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:22,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:22,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:22,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:22,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:22,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:22,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:22,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:22,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:22,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:22,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:22,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:22,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:22,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:22,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:22,234 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:22,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:22,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:22,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:22,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:22,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:22,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:22,236 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:22,236 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:22,237 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:22,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:22,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:22,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:22,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:22,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:22,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:22,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:22,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:22,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:22,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:22,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:22,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:22,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:22,243 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 -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2019-11-27 11:23:22,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:22,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:22,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:22,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:22,694 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:22,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-27 11:23:22,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907ce0ab2/f19ca1bc339e48c69151b50f34cdd8eb/FLAGc1eb49a0d [2019-11-27 11:23:23,558 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:23,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-27 11:23:23,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907ce0ab2/f19ca1bc339e48c69151b50f34cdd8eb/FLAGc1eb49a0d [2019-11-27 11:23:23,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907ce0ab2/f19ca1bc339e48c69151b50f34cdd8eb [2019-11-27 11:23:23,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:23,803 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:23,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:23,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:23,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:23,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:23,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23, skipping insertion in model container [2019-11-27 11:23:23,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:23,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:23,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:24,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:24,534 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:24,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:24,716 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:24,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24 WrapperNode [2019-11-27 11:23:24,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:24,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:24,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:24,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:24,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:24,877 INFO L168 Benchmark]: Toolchain (without parser) took 1071.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:24,887 INFO L168 Benchmark]: CDTParser took 1.30 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. [2019-11-27 11:23:24,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 909.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:24,893 INFO L168 Benchmark]: Boogie Preprocessor took 151.57 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:24,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30 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 909.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 151.57 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:27,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:27,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:27,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:27,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:27,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:27,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:27,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:27,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:27,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:27,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:27,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:27,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:27,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:27,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:27,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:27,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:27,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:27,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:27,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:27,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:27,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:27,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:27,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:27,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:27,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:27,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:27,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:27,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:27,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:27,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:27,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:27,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:27,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:27,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:27,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:27,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:27,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:27,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:27,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:27,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:27,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:27,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:27,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:27,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:27,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:27,741 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:27,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:27,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:27,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:27,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:27,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:27,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:27,743 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:27,744 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:27,744 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:27,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:27,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:27,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:27,746 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:27,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:27,747 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:27,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:27,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:27,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:27,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:27,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:27,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:27,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:27,750 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:27,750 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:27,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:27,751 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 -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2019-11-27 11:23:28,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:28,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:28,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:28,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:28,161 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:28,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-27 11:23:28,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605587fa0/ce33780f29544587b0a6f0ee24373108/FLAG3ca3f5d85 [2019-11-27 11:23:29,086 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:29,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-27 11:23:29,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605587fa0/ce33780f29544587b0a6f0ee24373108/FLAG3ca3f5d85 [2019-11-27 11:23:29,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605587fa0/ce33780f29544587b0a6f0ee24373108 [2019-11-27 11:23:29,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:29,295 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:29,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:29,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:29,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:29,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b21a1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29, skipping insertion in model container [2019-11-27 11:23:29,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:29,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:30,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:30,080 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:30,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:30,263 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:30,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30 WrapperNode [2019-11-27 11:23:30,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:30,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:30,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:30,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:30,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:30,435 INFO L168 Benchmark]: Toolchain (without parser) took 1139.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.9 MB in the end (delta: -5.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:30,436 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-27 11:23:30,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:30,440 INFO L168 Benchmark]: Boogie Preprocessor took 164.01 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:30,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 966.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 164.01 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.9 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...