./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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-simple/dll2c_remove_all.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 7fbc512cc0cc4741feb6422c538797cb2d252dab ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-simple/dll2c_remove_all.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 7fbc512cc0cc4741feb6422c538797cb2d252dab .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:23,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:23,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:23,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:23,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:23,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:23,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:23,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:23,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:23,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:23,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:23,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:23,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:23,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:23,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:23,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:23,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:23,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:23,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:23,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:23,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:23,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:23,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:23,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:23,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:23,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:23,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:23,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:23,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:23,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:23,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:23,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:23,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:23,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:23,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:23,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:23,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:23,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:23,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:23,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:23,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:23,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:23,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:23,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:23,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:23,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:23,498 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:23,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:23,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:23,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:23,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:23,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:23,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:23,502 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:23,502 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:23,503 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:23,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:23,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:23,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:23,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:23,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:23,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:23,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:23,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:23,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:23,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:23,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:23,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:23,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:23,508 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-27 17:45:23,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:23,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:23,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:23,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:23,957 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:23,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-27 17:45:24,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839d46e3e/8127ae6a51184fe4a67bc1d0c0fb80b5/FLAG42e55734f [2019-11-27 17:45:24,925 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:24,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-27 17:45:24,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839d46e3e/8127ae6a51184fe4a67bc1d0c0fb80b5/FLAG42e55734f [2019-11-27 17:45:25,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839d46e3e/8127ae6a51184fe4a67bc1d0c0fb80b5 [2019-11-27 17:45:25,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:25,121 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:25,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:25,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:25,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:25,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c7b1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25, skipping insertion in model container [2019-11-27 17:45:25,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:25,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:25,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:25,850 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:25,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:26,026 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:26,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26 WrapperNode [2019-11-27 17:45:26,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:26,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:26,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:26,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:26,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:26,166 INFO L168 Benchmark]: Toolchain (without parser) took 1040.76 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 972.5 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:26,169 INFO L168 Benchmark]: CDTParser took 0.46 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 17:45:26,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.11 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 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:26,171 INFO L168 Benchmark]: Boogie Preprocessor took 123.51 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:26,183 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 907.11 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 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 123.51 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 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 0.1.24-509859d [2019-11-27 17:45:28,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:28,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:28,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:28,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:28,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:28,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:28,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:28,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:28,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:28,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:28,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:28,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:28,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:28,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:28,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:28,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:28,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:28,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:28,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:28,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:28,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:28,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:28,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:28,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:28,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:28,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:28,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:28,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:28,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:28,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:28,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:28,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:28,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:28,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:28,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:28,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:28,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:28,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:28,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:28,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:28,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:28,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:28,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:28,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:28,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:28,982 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:28,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:28,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:28,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:28,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:28,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:28,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:28,988 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:28,988 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:28,989 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:28,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:28,989 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:28,989 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:28,989 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:28,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:28,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:28,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:28,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:28,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:28,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:28,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:28,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:28,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:28,993 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:28,993 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:28,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:28,994 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-27 17:45:29,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:29,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:29,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:29,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:29,495 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:29,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-27 17:45:29,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb7f9a873/25a33eeaa3064af09e9e0224e0e36eeb/FLAGa1bd9e757 [2019-11-27 17:45:30,443 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:30,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-27 17:45:30,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb7f9a873/25a33eeaa3064af09e9e0224e0e36eeb/FLAGa1bd9e757 [2019-11-27 17:45:30,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb7f9a873/25a33eeaa3064af09e9e0224e0e36eeb [2019-11-27 17:45:30,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:30,637 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:30,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:30,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:30,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:30,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:30" (1/1) ... [2019-11-27 17:45:30,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120696db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:30, skipping insertion in model container [2019-11-27 17:45:30,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:30" (1/1) ... [2019-11-27 17:45:30,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:30,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:31,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:31,409 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:31,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:31,608 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:31,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31 WrapperNode [2019-11-27 17:45:31,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:31,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:31,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:31,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:31,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:31" (1/1) ... [2019-11-27 17:45:31,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:31,800 INFO L168 Benchmark]: Toolchain (without parser) took 1157.41 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:31,801 INFO L168 Benchmark]: CDTParser took 0.24 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 17:45:31,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 973.49 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:31,803 INFO L168 Benchmark]: Boogie Preprocessor took 178.35 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:31,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 973.49 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.35 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...