./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_update_all.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-simple/dll2c_update_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 ed4d18349810257ce078dfe4f08b9b953ed4516f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_update_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 ed4d18349810257ce078dfe4f08b9b953ed4516f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:23:02,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:02,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:02,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:02,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:02,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:02,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:02,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:02,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:02,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:02,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:02,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:02,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:02,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:02,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:02,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:02,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:02,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:02,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:02,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:02,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:02,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:02,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:02,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:02,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:02,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:02,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:02,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:02,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:02,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:02,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:02,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:02,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:02,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:02,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:02,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:02,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:02,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:02,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:02,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:02,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:02,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:02,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:02,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:02,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:02,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:02,645 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:02,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:02,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:02,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:02,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:02,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:02,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:02,650 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:02,650 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:02,650 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:02,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:02,651 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:02,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:02,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:02,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:02,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:02,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:02,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:02,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:02,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:02,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:02,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:02,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:02,656 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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-11-27 11:23:03,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:03,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:03,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:03,095 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:03,097 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:03,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 11:23:03,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f02f875b/830676345b8d47858d10095af342dc06/FLAG43bb3ae20 [2019-11-27 11:23:04,040 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:04,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 11:23:04,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f02f875b/830676345b8d47858d10095af342dc06/FLAG43bb3ae20 [2019-11-27 11:23:04,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f02f875b/830676345b8d47858d10095af342dc06 [2019-11-27 11:23:04,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:04,231 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:04,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:04,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:04,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:04,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04, skipping insertion in model container [2019-11-27 11:23:04,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:04" (1/1) ... [2019-11-27 11:23:04,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:04,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:04,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:05,016 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:05,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:05,198 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:05,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:05 WrapperNode [2019-11-27 11:23:05,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:05,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:05,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:05,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:05,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:05" (1/1) ... [2019-11-27 11:23:05,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:05" (1/1) ... [2019-11-27 11:23:05,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:05" (1/1) ... [2019-11-27 11:23:05,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:05" (1/1) ... [2019-11-27 11:23:05,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:05" (1/1) ... [2019-11-27 11:23:05,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:05" (1/1) ... [2019-11-27 11:23:05,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:05" (1/1) ... [2019-11-27 11:23:05,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:05,337 INFO L168 Benchmark]: Toolchain (without parser) took 1093.23 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 11:23:05,339 INFO L168 Benchmark]: CDTParser took 0.53 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 11:23:05,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 962.82 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 11:23:05,349 INFO L168 Benchmark]: Boogie Preprocessor took 117.87 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 11:23:05,353 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 962.82 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 117.87 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:08,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:08,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:08,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:08,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:08,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:08,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:08,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:08,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:08,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:08,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:08,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:08,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:08,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:08,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:08,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:08,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:08,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:08,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:08,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:08,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:08,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:08,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:08,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:08,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:08,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:08,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:08,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:08,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:08,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:08,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:08,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:08,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:08,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:08,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:08,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:08,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:08,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:08,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:08,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:08,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:08,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:08,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:08,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:08,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:08,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:08,236 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:08,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:08,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:08,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:08,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:08,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:08,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:08,239 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:08,239 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:08,240 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:08,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:08,240 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:08,240 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:08,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:08,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:08,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:08,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:08,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:08,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:08,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:08,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:08,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:08,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:08,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:08,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:08,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:08,250 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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-11-27 11:23:08,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:08,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:08,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:08,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:08,658 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:08,662 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 11:23:08,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0610aada1/574491e0b9374df0ae832f63be3db9b2/FLAGad88e6af7 [2019-11-27 11:23:09,632 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:09,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 11:23:09,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0610aada1/574491e0b9374df0ae832f63be3db9b2/FLAGad88e6af7 [2019-11-27 11:23:09,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0610aada1/574491e0b9374df0ae832f63be3db9b2 [2019-11-27 11:23:09,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:09,838 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:09,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:09,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:09,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:09,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:09, skipping insertion in model container [2019-11-27 11:23:09,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:09" (1/1) ... [2019-11-27 11:23:09,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:09,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:10,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:10,615 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:10,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:10,846 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:10,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10 WrapperNode [2019-11-27 11:23:10,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:10,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:10,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:10,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:10,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:11,004 INFO L168 Benchmark]: Toolchain (without parser) took 1162.37 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:11,005 INFO L168 Benchmark]: CDTParser took 0.30 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 11:23:11,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1003.43 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:11,009 INFO L168 Benchmark]: Boogie Preprocessor took 147.22 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 11:23:11,026 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1003.43 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 147.22 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...