./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext-properties/list-ext_flag_1.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 431427bfbd418e866d910984d83b762315f68500 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext-properties/list-ext_flag_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 431427bfbd418e866d910984d83b762315f68500 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:21:34,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:34,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:34,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:34,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:34,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:34,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:34,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:34,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:34,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:34,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:34,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:34,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:34,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:34,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:34,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:34,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:34,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:34,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:34,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:34,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:34,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:34,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:34,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:34,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:34,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:34,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:34,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:34,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:34,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:34,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:34,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:34,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:34,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:34,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:34,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:34,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:34,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:34,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:34,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:34,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:34,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:34,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:34,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:34,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:34,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:34,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:34,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:34,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:34,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:34,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:34,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:34,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:34,440 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:34,441 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:34,444 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:34,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:34,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:34,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:34,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:34,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:34,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:34,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:34,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:34,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:34,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:34,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:34,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:34,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:34,451 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 -> 431427bfbd418e866d910984d83b762315f68500 [2019-11-24 22:21:35,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:35,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:35,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:35,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:35,046 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:35,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i [2019-11-24 22:21:35,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da723b57/8c96d79de44e4cb29b4d6f0ad80dd5fb/FLAGb45e7da3b [2019-11-24 22:21:36,482 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:36,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i [2019-11-24 22:21:36,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da723b57/8c96d79de44e4cb29b4d6f0ad80dd5fb/FLAGb45e7da3b [2019-11-24 22:21:36,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da723b57/8c96d79de44e4cb29b4d6f0ad80dd5fb [2019-11-24 22:21:36,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:36,579 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:36,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:36,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:36,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:36,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44043fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36, skipping insertion in model container [2019-11-24 22:21:36,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:36,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:37,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:37,726 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:37,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:37,998 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:37,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:37 WrapperNode [2019-11-24 22:21:38,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:38,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:38,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:38,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:38,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:37" (1/1) ... [2019-11-24 22:21:38,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:37" (1/1) ... [2019-11-24 22:21:38,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:37" (1/1) ... [2019-11-24 22:21:38,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:37" (1/1) ... [2019-11-24 22:21:38,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:37" (1/1) ... [2019-11-24 22:21:38,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:37" (1/1) ... [2019-11-24 22:21:38,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:37" (1/1) ... [2019-11-24 22:21:38,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:38,218 INFO L168 Benchmark]: Toolchain (without parser) took 1625.23 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 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:38,219 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:38,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1417.79 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:38,228 INFO L168 Benchmark]: Boogie Preprocessor took 195.24 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:38,236 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 1417.79 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 195.24 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:21:42,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:42,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:42,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:42,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:42,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:42,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:42,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:42,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:42,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:42,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:42,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:42,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:42,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:42,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:42,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:42,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:42,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:42,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:42,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:42,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:42,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:42,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:42,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:42,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:42,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:42,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:42,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:42,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:42,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:42,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:42,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:42,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:42,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:42,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:42,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:42,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:42,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:42,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:42,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:42,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:42,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:42,391 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:42,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:42,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:42,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:42,398 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:42,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:42,398 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:42,400 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:42,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:42,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:42,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:42,403 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:42,403 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:42,406 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:42,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:42,407 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:42,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:42,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:42,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:42,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:42,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:42,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:42,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:42,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:42,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:42,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:42,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:42,412 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:42,414 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:42,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:42,415 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 -> 431427bfbd418e866d910984d83b762315f68500 [2019-11-24 22:21:43,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:43,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:43,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:43,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:43,064 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:43,066 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i [2019-11-24 22:21:43,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ecf0a50f/ae38000c6d9e416e971c11d2bcb2df7d/FLAG7ff6f19e9 [2019-11-24 22:21:44,529 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:44,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i [2019-11-24 22:21:44,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ecf0a50f/ae38000c6d9e416e971c11d2bcb2df7d/FLAG7ff6f19e9 [2019-11-24 22:21:44,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ecf0a50f/ae38000c6d9e416e971c11d2bcb2df7d [2019-11-24 22:21:44,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:44,630 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:44,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:44,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:44,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:44,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:44,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44, skipping insertion in model container [2019-11-24 22:21:44,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:44,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:44,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:45,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:45,818 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:45,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:46,102 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:46,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:46 WrapperNode [2019-11-24 22:21:46,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:46,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:46,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:46,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:46,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:46" (1/1) ... [2019-11-24 22:21:46,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:46" (1/1) ... [2019-11-24 22:21:46,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:46" (1/1) ... [2019-11-24 22:21:46,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:46" (1/1) ... [2019-11-24 22:21:46,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:46" (1/1) ... [2019-11-24 22:21:46,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:46" (1/1) ... [2019-11-24 22:21:46,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:46" (1/1) ... [2019-11-24 22:21:46,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:46,318 INFO L168 Benchmark]: Toolchain (without parser) took 1684.29 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 968.4 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:46,327 INFO L168 Benchmark]: CDTParser took 2.75 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:46,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1469.54 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 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:46,332 INFO L168 Benchmark]: Boogie Preprocessor took 204.37 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:46,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.75 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 1469.54 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 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.37 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.4 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...